Exemplo n.º 1
0
    /// <summary>
    /// Creates an event object based on a given type specifier.
    /// </summary>
    /// <param name="id">Type specifier.</param>
    /// <returns>A specialized event object.</returns>
    public EventBase CreateEvent(int id)
    {
        EventBase result;
        Type      eventType = m_events.Find(id);

        System.Diagnostics.Debug.Assert(eventType != null, "Event type not found id: " + id);
        System.Diagnostics.Debug.Assert(eventType.IsSubclassOf(typeof(EventBase)), "Event doesn't inherit from EventBase id: " + id);

        result = (EventBase)Activator.CreateInstance(eventType);
        return(result);
    }
        public override unsafe void OnNext(StreamMessage <TKey, TPayload> batch)
        {
            var count = batch.Count;

            var srckey = batch.key.col;

            fixed(long *src_bv = batch.bitvector.col, src_vsync = batch.vsync.col, src_vother = batch.vother.col)
            {
                fixed(int *src_hash = batch.hash.col)
                {
                    for (int i = 0; i < count; i++)
                    {
                        if ((src_bv[i >> 6] & (1L << (i & 0x3f))) == 0)
                        {
                            var partitionKey   = this.getPartitionKey(srckey[i]);
                            int partitionIndex = EnsurePartition(partitionKey);

                            long synctime = src_vsync[i];

                            int index;

                            if (synctime > this.lastSyncTime.entries[partitionIndex].value) // move time forward
                            {
                                ProcessCurrentTimestamp(partitionIndex);
                                this.lastSyncTime.entries[partitionIndex].value = synctime;
                            }

                            bool done = false;

                            var eventListTraverser = new FastMap <SavedEventList <TKey, TPayload> > .FindTraverser(this.currentTimestampEventList.entries[partitionIndex].value);

                            if (eventListTraverser.Find(src_hash[i]))
                            {
                                while (eventListTraverser.Next(out index))
                                {
                                    var state = this.currentTimestampEventList.entries[partitionIndex].value.Values[index];

                                    if (this.keyEqualityComparer(state.key, srckey[i]))
                                    {
                                        state.payloads.Add(batch.payload.col[i]);
                                        done = true;
                                        break;
                                    }
                                }
                            }

                            if (!done)
                            {
                                index = this.currentTimestampEventList.entries[partitionIndex].value.Insert(src_hash[i]);
                                var list = new List <TPayload>(10)
                                {
                                    batch[i]
                                };
                                this.currentTimestampEventList.entries[partitionIndex].value.Values[index] = new SavedEventList <TKey, TPayload> {
                                    key = srckey[i], payloads = list
                                };
                            }
                        }
                        else if (src_vother[i] == PartitionedStreamEvent.LowWatermarkOtherTime)
                        {
                            long synctime       = src_vsync[i];
                            int  partitionIndex = FastDictionary2 <TPartitionKey, List <TKey> > .IteratorStart;
                            while (this.lastSyncTime.Iterate(ref partitionIndex))
                            {
                                if (synctime > this.lastSyncTime.entries[partitionIndex].value) // move time forward
                                {
                                    ProcessCurrentTimestamp(partitionIndex);
                                    this.lastSyncTime.entries[partitionIndex].value = synctime;
                                }
                            }

                            OnLowWatermark(synctime);
                        }
                        else if (src_vother[i] == PartitionedStreamEvent.PunctuationOtherTime)
                        {
                            var partitionKey   = this.getPartitionKey(srckey[i]);
                            int partitionIndex = EnsurePartition(partitionKey);

                            long synctime = src_vsync[i];

                            if (synctime > this.lastSyncTime.entries[partitionIndex].value) // move time forward
                            {
                                ProcessCurrentTimestamp(partitionIndex);
                                this.lastSyncTime.entries[partitionIndex].value = synctime;
                            }
                        }
                    }
                }
            }

            batch.Free();
        }
Exemplo n.º 3
0
        public override unsafe void OnNext(StreamMessage <TKey, TPayload> batch)
        {
            var stack = new Stack <int>();

            var count = batch.Count;

            var dest_vsync  = this.batch.vsync.col;
            var dest_vother = this.batch.vother.col;
            var destkey     = this.batch.key.col;
            var dest_hash   = this.batch.hash.col;

            var srckey = batch.key.col;

            var activeFindTraverser = new FastMap <GroupedActiveState <TKey, TRegister> > .FindTraverser(this.activeStates);

            fixed(long *src_bv = batch.bitvector.col, src_vsync = batch.vsync.col, src_vother = batch.vother.col)
            {
                fixed(int *src_hash = batch.hash.col)
                {
                    for (int i = 0; i < count; i++)
                    {
                        if ((src_bv[i >> 6] & (1L << (i & 0x3f))) == 0)
                        {
                            var key                       = srckey[i];
                            var partitionKey              = this.getPartitionKey(key);
                            int partitionIndex            = EnsurePartition(partitionKey);
                            var tentativeVisibleTraverser = new FastMap <OutputEvent <TKey, TRegister> > .VisibleTraverser(this.tentativeOutput.entries[partitionIndex].value);

                            long synctime = src_vsync[i];

                            if (!this.IsSyncTimeSimultaneityFree)
                            {
                                int index;

                                if (synctime > this.lastSyncTime.entries[partitionIndex].value) // move time forward
                                {
                                    foreach (var mapIndex in this.seenPartitions.entries[partitionIndex].value)
                                    {
                                        this.seenEvent.Remove(mapIndex);
                                    }

                                    if (this.tentativeOutput.Count > 0)
                                    {
                                        tentativeVisibleTraverser.currIndex = 0;

                                        while (tentativeVisibleTraverser.Next(out index, out int hash))
                                        {
                                            var elem = this.tentativeOutput.entries[partitionIndex].value.Values[index];

                                            dest_vsync[this.iter]             = this.lastSyncTime.entries[partitionIndex].value;
                                            dest_vother[this.iter]            = elem.other;
                                            this.batch.payload.col[this.iter] = elem.payload;
                                            destkey[this.iter]   = elem.key;
                                            dest_hash[this.iter] = hash;
                                            this.iter++;

                                            if (this.iter == Config.DataBatchSize)
                                            {
                                                FlushContents();
                                                dest_vsync  = this.batch.vsync.col;
                                                dest_vother = this.batch.vother.col;
                                                destkey     = this.batch.key.col;
                                                dest_hash   = this.batch.hash.col;
                                            }
                                        }

                                        this.tentativeOutput.entries[partitionIndex].value.Clear(); // Clear the tentative output list
                                    }

                                    this.lastSyncTime.entries[partitionIndex].value = synctime;
                                }

                                if (this.seenEvent.Lookup(srckey[i], out index))  // Incoming event is a simultaneous one
                                {
                                    if (this.seenEvent.entries[index].value == 1) // Detecting first duplicate, need to adjust state
                                    {
                                        this.seenEvent.entries[index].value = 2;

                                        // Delete tentative output for that key
                                        var tentativeFindTraverser = new FastMap <OutputEvent <TKey, TRegister> > .FindTraverser(this.tentativeOutput.entries[partitionIndex].value);

                                        if (tentativeFindTraverser.Find(src_hash[i]))
                                        {
                                            while (tentativeFindTraverser.Next(out index))
                                            {
                                                if (this.keyEqualityComparer(this.tentativeOutput.entries[partitionIndex].value.Values[index].key, srckey[i]))
                                                {
                                                    tentativeFindTraverser.Remove();
                                                }
                                            }
                                        }

                                        // Delete active states for that key
                                        if (activeFindTraverser.Find(src_hash[i]))
                                        {
                                            while (activeFindTraverser.Next(out index))
                                            {
                                                if (this.keyEqualityComparer(this.activeStates.Values[index].key, srckey[i]))
                                                {
                                                    activeFindTraverser.Remove();
                                                }
                                            }
                                        }
                                    }

                                    // Dont process this event
                                    continue;
                                }
                                else
                                {
                                    this.seenEvent.Insert(srckey[i], 1);
                                }
                            }

                            /* (1) Process currently active states */
                            bool ended = true;
                            if (activeFindTraverser.Find(src_hash[i]))
                            {
                                int orig_index;

                                while (activeFindTraverser.Next(out int index))
                                {
                                    orig_index = index;

                                    var state = this.activeStates.Values[index];
                                    if (!this.keyEqualityComparer(state.key, srckey[i]))
                                    {
                                        continue;
                                    }

                                    if (state.PatternStartTimestamp + this.MaxDuration > synctime)
                                    {
                                        var currentStateMap = this.singleEventStateMap[state.state];
                                        if (currentStateMap != null)
                                        {
                                            var m = currentStateMap.Length;
                                            for (int cnt = 0; cnt < m; cnt++)
                                            {
                                                var arcinfo = currentStateMap[cnt];

                                                if (arcinfo.Fence(synctime, batch[i], state.register))
                                                {
                                                    TRegister newReg;
                                                    if (arcinfo.Transfer == null)
                                                    {
                                                        newReg = state.register;
                                                    }
                                                    else
                                                    {
                                                        newReg = arcinfo.Transfer(synctime, batch[i], state.register);
                                                    }

                                                    int ns = arcinfo.toState;
                                                    while (true)
                                                    {
                                                        if (this.isFinal[ns])
                                                        {
                                                            if (!this.IsSyncTimeSimultaneityFree)
                                                            {
                                                                var tentativeOutputEntry = this.tentativeOutput.entries[partitionIndex].value;

                                                                int ind = tentativeOutputEntry.Insert(src_hash[i]);
                                                                tentativeOutputEntry.Values[ind].other   = state.PatternStartTimestamp + this.MaxDuration;
                                                                tentativeOutputEntry.Values[ind].key     = srckey[i];
                                                                tentativeOutputEntry.Values[ind].payload = newReg;
                                                            }
                                                            else
                                                            {
                                                                dest_vsync[this.iter]  = synctime;
                                                                dest_vother[this.iter] = state.PatternStartTimestamp + this.MaxDuration;
                                                                this.batch[this.iter]  = newReg;
                                                                destkey[this.iter]     = srckey[i];
                                                                dest_hash[this.iter]   = src_hash[i];
                                                                this.iter++;

                                                                if (this.iter == Config.DataBatchSize)
                                                                {
                                                                    FlushContents();
                                                                    dest_vsync  = this.batch.vsync.col;
                                                                    dest_vother = this.batch.vother.col;
                                                                    destkey     = this.batch.key.col;
                                                                    dest_hash   = this.batch.hash.col;
                                                                }
                                                            }
                                                        }

                                                        if (this.hasOutgoingArcs[ns])
                                                        {
                                                            if (index == -1)
                                                            {
                                                                index = this.activeStates.Insert(src_hash[i]);
                                                            }
                                                            this.activeStates.Values[index].key      = srckey[i];
                                                            this.activeStates.Values[index].state    = ns;
                                                            this.activeStates.Values[index].register = newReg;
                                                            this.activeStates.Values[index].PatternStartTimestamp = state.PatternStartTimestamp;

                                                            index = -1;

                                                            ended = false;

                                                            // Add epsilon arc destinations to stack
                                                            if (this.epsilonStateMap == null)
                                                            {
                                                                break;
                                                            }
                                                            if (this.epsilonStateMap[ns] != null)
                                                            {
                                                                for (int cnt2 = 0; cnt2 < this.epsilonStateMap[ns].Length; cnt2++)
                                                                {
                                                                    stack.Push(this.epsilonStateMap[ns][cnt2]);
                                                                }
                                                            }
                                                        }
                                                        if (stack.Count == 0)
                                                        {
                                                            break;
                                                        }
                                                        ns = stack.Pop();
                                                    }
                                                    if (this.IsDeterministic)
                                                    {
                                                        break;                       // We are guaranteed to have only one successful transition
                                                    }
                                                }
                                            }
                                        }
                                    }
                                    if (index == orig_index)
                                    {
                                        activeFindTraverser.Remove();
                                    }
                                    if (this.IsDeterministic)
                                    {
                                        break;                       // We are guaranteed to have only one active state
                                    }
                                }
                            }

                            /* (2) Start new activations from the start state(s) */
                            if (!this.AllowOverlappingInstances && !ended)
                            {
                                continue;
                            }

                            for (int counter = 0; counter < this.numStartStates; counter++)
                            {
                                int startState    = this.startStates[counter];
                                var startStateMap = this.singleEventStateMap[startState];
                                if (startStateMap != null)
                                {
                                    var m = startStateMap.Length;
                                    for (int cnt = 0; cnt < m; cnt++)
                                    {
                                        var arcinfo = startStateMap[cnt];
                                        if (arcinfo.Fence(synctime, batch[i], this.defaultRegister))
                                        {
                                            TRegister newReg;
                                            if (arcinfo.Transfer == null)
                                            {
                                                newReg = this.defaultRegister;
                                            }
                                            else
                                            {
                                                newReg = arcinfo.Transfer(synctime, batch[i], this.defaultRegister);
                                            }

                                            int ns = arcinfo.toState;
                                            while (true)
                                            {
                                                if (this.isFinal[ns])
                                                {
                                                    if (!this.IsSyncTimeSimultaneityFree)
                                                    {
                                                        var tentativeOutputEntry = this.tentativeOutput.entries[partitionIndex].value;

                                                        int ind = tentativeOutputEntry.Insert(src_hash[i]);
                                                        tentativeOutputEntry.Values[ind].other   = synctime + this.MaxDuration;
                                                        tentativeOutputEntry.Values[ind].key     = srckey[i];
                                                        tentativeOutputEntry.Values[ind].payload = newReg;
                                                    }
                                                    else
                                                    {
                                                        dest_vsync[this.iter]  = synctime;
                                                        dest_vother[this.iter] = synctime + this.MaxDuration;
                                                        this.batch[this.iter]  = newReg;
                                                        destkey[this.iter]     = srckey[i];
                                                        dest_hash[this.iter]   = src_hash[i];
                                                        this.iter++;

                                                        if (this.iter == Config.DataBatchSize)
                                                        {
                                                            FlushContents();
                                                            dest_vsync  = this.batch.vsync.col;
                                                            dest_vother = this.batch.vother.col;
                                                            destkey     = this.batch.key.col;
                                                            dest_hash   = this.batch.hash.col;
                                                        }
                                                    }
                                                }
                                                if (this.hasOutgoingArcs[ns])
                                                {
                                                    int index = this.activeStates.Insert(src_hash[i]);
                                                    this.activeStates.Values[index].key      = srckey[i];
                                                    this.activeStates.Values[index].state    = ns;
                                                    this.activeStates.Values[index].register = newReg;
                                                    this.activeStates.Values[index].PatternStartTimestamp = synctime;


                                                    // Add epsilon arc destinations to stack
                                                    if (this.epsilonStateMap == null)
                                                    {
                                                        break;
                                                    }
                                                    if (this.epsilonStateMap[ns] != null)
                                                    {
                                                        for (int cnt2 = 0; cnt2 < this.epsilonStateMap[ns].Length; cnt2++)
                                                        {
                                                            stack.Push(this.epsilonStateMap[ns][cnt2]);
                                                        }
                                                    }
                                                }
                                                if (stack.Count == 0)
                                                {
                                                    break;
                                                }
                                                ns = stack.Pop();
                                            }
                                            if (this.IsDeterministic)
                                            {
                                                break;                       // We are guaranteed to have only one successful transition
                                            }
                                        }
                                    }
                                }
                                if (this.IsDeterministic)
                                {
                                    break;                       // We are guaranteed to have only one start state
                                }
                            }
                        }
                        else if (src_vother[i] == PartitionedStreamEvent.LowWatermarkOtherTime)
                        {
                            long synctime = src_vsync[i];
                            if (!this.IsSyncTimeSimultaneityFree)
                            {
                                var partitionIndex = FastDictionary2 <TPartitionKey, long> .IteratorStart;
                                while (this.tentativeOutput.Iterate(ref partitionIndex))
                                {
                                    if (synctime > this.lastSyncTime.entries[partitionIndex].value) // move time forward
                                    {
                                        var tentativeVisibleTraverser = new FastMap <OutputEvent <TKey, TRegister> > .VisibleTraverser(this.tentativeOutput.entries[partitionIndex].value);

                                        foreach (var mapIndex in this.seenPartitions.entries[partitionIndex].value)
                                        {
                                            this.seenEvent.Remove(mapIndex);
                                        }

                                        if (this.tentativeOutput.Count > 0)
                                        {
                                            tentativeVisibleTraverser.currIndex = 0;

                                            while (tentativeVisibleTraverser.Next(out int index, out int hash))
                                            {
                                                var elem = this.tentativeOutput.entries[partitionIndex].value.Values[index];

                                                this.batch.vsync.col[this.iter]   = this.lastSyncTime.entries[partitionIndex].value;
                                                this.batch.vother.col[this.iter]  = elem.other;
                                                this.batch.payload.col[this.iter] = elem.payload;
                                                this.batch.key.col[this.iter]     = elem.key;
                                                this.batch.hash.col[this.iter]    = hash;
                                                this.iter++;

                                                if (this.iter == Config.DataBatchSize)
                                                {
                                                    FlushContents();
                                                }
                                            }

                                            this.tentativeOutput.entries[partitionIndex].value.Clear(); // Clear the tentative output list
                                        }

                                        this.lastSyncTime.entries[partitionIndex].value = synctime;
                                    }
                                }
                            }
                            OnLowWatermark(synctime);
                        }
                        else if (src_vother[i] == PartitionedStreamEvent.PunctuationOtherTime)
                        {
                            var  key      = srckey[i];
                            long synctime = src_vsync[i];

                            if (!this.IsSyncTimeSimultaneityFree)
                            {
                                var partitionKey   = this.getPartitionKey(key);
                                int partitionIndex = EnsurePartition(partitionKey);

                                if (synctime > this.lastSyncTime.entries[partitionIndex].value) // move time forward
                                {
                                    var tentativeVisibleTraverser = new FastMap <OutputEvent <TKey, TRegister> > .VisibleTraverser(this.tentativeOutput.entries[partitionIndex].value);

                                    foreach (var mapIndex in this.seenPartitions.entries[partitionIndex].value)
                                    {
                                        this.seenEvent.Remove(mapIndex);
                                    }

                                    if (this.tentativeOutput.Count > 0)
                                    {
                                        tentativeVisibleTraverser.currIndex = 0;

                                        while (tentativeVisibleTraverser.Next(out int index, out int hash))
                                        {
                                            var elem = this.tentativeOutput.entries[partitionIndex].value.Values[index];

                                            this.batch.vsync.col[this.iter]   = this.lastSyncTime.entries[partitionIndex].value;
                                            this.batch.vother.col[this.iter]  = elem.other;
                                            this.batch.payload.col[this.iter] = elem.payload;
                                            this.batch.key.col[this.iter]     = elem.key;
                                            this.batch.hash.col[this.iter]    = hash;
                                            this.iter++;

                                            if (this.iter == Config.DataBatchSize)
                                            {
                                                FlushContents();
                                            }
                                        }

                                        this.tentativeOutput.entries[partitionIndex].value.Clear(); // Clear the tentative output list
                                    }

                                    this.lastSyncTime.entries[partitionIndex].value = synctime;
                                }
                            }

                            this.batch.vsync.col[this.iter]           = synctime;
                            this.batch.vother.col[this.iter]          = long.MinValue;
                            this.batch.payload.col[this.iter]         = default;
                            this.batch.key.col[this.iter]             = key;
                            this.batch.hash.col[this.iter]            = src_hash[i];
                            this.batch.bitvector.col[this.iter >> 6] |= (1L << (this.iter & 0x3f));
                            this.iter++;

                            if (this.iter == Config.DataBatchSize)
                            {
                                FlushContents();
                            }
                        }
                    }
                }
            }

            batch.Free();
        }
        public override unsafe void OnNext(StreamMessage <TKey, TPayload> batch)
        {
            var count = batch.Count;

            var srckey = batch.key.col;

            fixed(long *src_bv = batch.bitvector.col, src_vsync = batch.vsync.col, src_vother = batch.vother.col)
            {
                fixed(int *src_hash = batch.hash.col)
                {
                    for (int i = 0; i < count; i++)
                    {
                        if ((src_bv[i >> 6] & (1L << (i & 0x3f))) == 0)
                        {
                            var partitionKey   = this.getPartitionKey(srckey[i]);
                            int partitionIndex = EnsurePartition(partitionKey);

                            long synctime = src_vsync[i];

                            if (synctime > this.lastSyncTime.entries[partitionIndex].value) // move time forward
                            {
                                ProcessCurrentTimestamp(partitionKey, partitionIndex);
                                this.lastSyncTime.entries[partitionIndex].value = synctime;
                            }


                            int  keyHeads_index;
                            bool keyHeadExists         = false;
                            var  keyHeadsFindTraverser = new FastMap <TKey> .FindTraverser(this.keyHeads.entries[partitionIndex].value);

                            if (keyHeadsFindTraverser.Find(src_hash[i]))
                            {
                                while (keyHeadsFindTraverser.Next(out keyHeads_index))
                                {
                                    if (!this.keyEqualityComparer(this.keyHeads.entries[partitionIndex].value.Values[keyHeads_index], srckey[i]))
                                    {
                                        continue;
                                    }

                                    // Found entry, this key has been processed before
                                    keyHeadExists = true;
                                    break;
                                }
                            }

                            if (!keyHeadExists)
                            {
                                // Apply new transitions, update existing transitions
                                bool found = this.activeFindTraverser.Find(src_hash[i]);

                                if (found)
                                {
                                    while (this.activeFindTraverser.Next(out int activeFind_index))
                                    {
                                        var state = this.activeStates.Values[activeFind_index];
                                        if (!this.keyEqualityComparer(state.key, srckey[i]))
                                        {
                                            continue;
                                        }

                                        // TODO: Found entry, create and accumulate new tentative transitions from current state
                                        if (state.PatternStartTimestamp + this.MaxDuration > synctime)
                                        {
                                            var currentStateMap = this.multiEventStateMap[state.toState];
                                            if (currentStateMap != null)
                                            {
                                                var m = currentStateMap.Length;
                                                for (int cnt = 0; cnt < m; cnt++)
                                                {
                                                    var arcinfo = currentStateMap[cnt];

                                                    if (activeFind_index == -1)
                                                    {
                                                        activeFind_index = this.activeStates.Insert(src_hash[i]);
                                                    }
                                                    this.activeStates.Values[activeFind_index].arcinfo               = arcinfo;
                                                    this.activeStates.Values[activeFind_index].key                   = state.key;
                                                    this.activeStates.Values[activeFind_index].fromState             = state.toState;
                                                    this.activeStates.Values[activeFind_index].toState               = arcinfo.toState;
                                                    this.activeStates.Values[activeFind_index].PatternStartTimestamp = state.PatternStartTimestamp;
                                                    this.activeStates.Values[activeFind_index].register              = state.register;
                                                    this.activeStates.Values[activeFind_index].accumulator           = arcinfo.Initialize(synctime, state.register);
                                                    this.activeStates.Values[activeFind_index].accumulator           = arcinfo.Accumulate(synctime, batch.payload.col[i], state.register, this.activeStates.Values[activeFind_index].accumulator);
                                                    activeFind_index = -1;
                                                }
                                            }
                                        }

                                        // Remove current state
                                        if (activeFind_index != -1)
                                        {
                                            this.activeFindTraverser.Remove();
                                        }
                                    }
                                }

                                // Insert & accumulate new tentative transitions from start state
                                for (int counter = 0; counter < this.numStartStates; counter++)
                                {
                                    int startState    = this.startStates[counter];
                                    var startStateMap = this.multiEventStateMap[startState];
                                    var m             = startStateMap.Length;
                                    for (int cnt = 0; cnt < m; cnt++)
                                    {
                                        var arcinfo = startStateMap[cnt];

                                        int index = this.activeFindTraverser.InsertAt(); // have to ensure the new states go to the end of the list
                                        this.activeStates.Values[index].arcinfo               = arcinfo;
                                        this.activeStates.Values[index].key                   = srckey[i];
                                        this.activeStates.Values[index].fromState             = startState;
                                        this.activeStates.Values[index].toState               = arcinfo.toState;
                                        this.activeStates.Values[index].PatternStartTimestamp = synctime;
                                        this.activeStates.Values[index].register              = this.defaultRegister;
                                        this.activeStates.Values[index].accumulator           = arcinfo.Initialize(synctime, this.defaultRegister);
                                        this.activeStates.Values[index].accumulator           = arcinfo.Accumulate(synctime, batch.payload.col[i], this.defaultRegister, this.activeStates.Values[index].accumulator);
                                    }
                                }

                                // Update keyHeads to indicate that this key has been inserted
                                keyHeads_index = this.keyHeads.entries[partitionIndex].value.Insert(src_hash[i]);
                                this.keyHeads.entries[partitionIndex].value.Values[keyHeads_index] = srckey[i];

                                // Done processing this event
                                continue;
                            }

                            // Not the first insert of this key for this timestamp, perform accumulate for all tentative states
                            if (this.activeFindTraverser.Find(src_hash[i]))
                            {
                                while (this.activeFindTraverser.Next(out int activeFind_index))
                                {
                                    var state2 = this.activeStates.Values[activeFind_index];
                                    if (!this.keyEqualityComparer(state2.key, srckey[i]))
                                    {
                                        continue;
                                    }

                                    // Found tentative entry, accumulate
                                    this.activeStates.Values[activeFind_index].accumulator = state2.arcinfo.Accumulate(synctime, batch.payload.col[i], state2.register, state2.accumulator);
                                }
                            }
                        }
                        else if (src_vother[i] == PartitionedStreamEvent.LowWatermarkOtherTime)
                        {
                            int  partitionIndex = FastDictionary2 <TPartitionKey, List <TKey> > .IteratorStart;
                            long synctime       = src_vsync[i];
                            while (this.lastSyncTime.Iterate(ref partitionIndex))
                            {
                                if (synctime > this.lastSyncTime.entries[partitionIndex].value) // move time forward
                                {
                                    ProcessCurrentTimestamp(this.lastSyncTime.entries[partitionIndex].key, partitionIndex);
                                    this.lastSyncTime.entries[partitionIndex].value = synctime;
                                }
                            }

                            OnLowWatermark(synctime);
                        }
                        else if (src_vother[i] == PartitionedStreamEvent.PunctuationOtherTime)
                        {
                            var partitionKey   = this.getPartitionKey(srckey[i]);
                            int partitionIndex = EnsurePartition(partitionKey);

                            long synctime = src_vsync[i];

                            if (synctime > this.lastSyncTime.entries[partitionIndex].value) // move time forward
                            {
                                ProcessCurrentTimestamp(partitionKey, partitionIndex);
                                this.lastSyncTime.entries[partitionIndex].value = synctime;
                            }
                        }
                    }
                }
            }

            batch.Free();
        }
Exemplo n.º 5
0
        private static void SimpleMapTest()
        {
            var map = new FastMap <string>();

            Assert.IsTrue(map.IsEmpty);
            Assert.AreEqual(0, map.Count);
            Assert.IsFalse(map.Find(5).Next(out _));
            Assert.IsFalse(map.Find(6).Next(out _));
            Assert.IsFalse(map.Find(7).Next(out _));

            int indexA5 = map.Insert(5, "a");

            Assert.IsFalse(map.IsEmpty);
            Assert.AreEqual(1, map.Count);
            Assert.IsTrue(map.Find(5).Next(out var index));
            Assert.AreEqual(indexA5, index);
            Assert.IsFalse(map.Find(6).Next(out _));
            Assert.IsFalse(map.Find(7).Next(out _));

            int indexB6    = map.Insert(6, "b");
            int indexA5Two = map.Insert(5, "a");
            int indexB5    = map.Insert(5, "b");

            Assert.IsTrue(indexA5 != indexA5Two);
            Assert.IsTrue(indexA5 != indexB5);
            Assert.IsTrue(indexA5Two != indexB5);

            Assert.IsFalse(map.IsEmpty);
            Assert.AreEqual(4, map.Count);

            var traverser = map.Find(5);

            Assert.IsTrue(traverser.Next(out index));
            Assert.AreEqual(indexB5, index);
            Assert.IsTrue(traverser.Next(out index));
            Assert.AreEqual(indexA5Two, index);
            Assert.IsTrue(traverser.Next(out index));
            Assert.AreEqual(indexA5, index);
            Assert.IsFalse(traverser.Next(out _));

            traverser = map.Find(6);
            Assert.IsTrue(traverser.Next(out index));
            Assert.AreEqual(indexB6, index);
            Assert.IsFalse(traverser.Next(out _));

            Assert.IsFalse(map.Find(7).Next(out _));

            map.Remove(indexA5);

            Assert.IsFalse(map.IsEmpty);
            Assert.AreEqual(3, map.Count);

            traverser = map.Find(5);
            Assert.IsTrue(traverser.Next(out index));
            Assert.AreEqual(indexB5, index);
            Assert.IsTrue(traverser.Next(out index));
            Assert.AreEqual(indexA5Two, index);
            Assert.IsFalse(traverser.Next(out _));

            traverser = map.Find(6);
            Assert.IsTrue(traverser.Next(out index));
            Assert.AreEqual(indexB6, index);
            Assert.IsFalse(traverser.Next(out _));

            Assert.IsFalse(map.Find(7).Next(out _));

            map.Remove(indexA5Two);
            map.Remove(indexB6);

            Assert.IsFalse(map.IsEmpty);
            Assert.AreEqual(1, map.Count);

            traverser = map.Find(5);
            Assert.IsTrue(traverser.Next(out index));
            Assert.AreEqual(indexB5, index);
            Assert.IsFalse(traverser.Next(out _));
            Assert.IsFalse(map.Find(6).Next(out _));
            Assert.IsFalse(map.Find(7).Next(out _));

            map.Remove(indexB5);

            Assert.IsTrue(map.IsEmpty);
            Assert.AreEqual(0, map.Count);
            Assert.IsFalse(map.Find(5).Next(out _));
            Assert.IsFalse(map.Find(6).Next(out _));
            Assert.IsFalse(map.Find(7).Next(out _));
        }
Exemplo n.º 6
0
        private static void LargerTest()
        {
            var map = new FastMap <string>(1);

            const int Size = 100;

            for (int i = 0; i < Size; i++)
            {
                map.Insert(i, "one" + i);
                map.Insert(i, "two" + i);
            }

            for (int i = 0; i < Size; i++)
            {
                map.Insert(i, "three" + i);
            }

            Assert.AreEqual(Size * 3, map.Count);

            for (int i = 0; i < Size; i++)
            {
                var traverse = map.Find(i);

                bool hasOne   = false;
                bool hasTwo   = false;
                bool hasThree = false;
                for (int j = 0; j < 3; j++)
                {
                    Assert.IsTrue(traverse.Next(out var index));
                    if (map.Values[index] == "one" + i)
                    {
                        hasOne = true;
                    }
                    else if (map.Values[index] == "two" + i)
                    {
                        hasTwo = true;
                    }
                    else if (map.Values[index] == "three" + i)
                    {
                        hasThree = true;
                    }
                    else
                    {
                        Assert.Fail();
                    }
                }

                Assert.IsFalse(traverse.Next(out _));
                Assert.IsTrue(hasOne);
                Assert.IsTrue(hasTwo);
                Assert.IsTrue(hasThree);
            }

            for (int i = 0; i < Size; i++)
            {
                var traverse = map.Find(i);
                while (traverse.Next(out int index))
                {
                    if (map.Values[index] == "two" + i)
                    {
                        map.Remove(index);
                        break;
                    }
                }
            }

            Assert.AreEqual(Size * 2, map.Count);

            for (int i = 0; i < Size; i++)
            {
                var traverse = map.Find(i);

                bool hasOne   = false;
                bool hasThree = false;
                for (int j = 0; j < 2; j++)
                {
                    Assert.IsTrue(traverse.Next(out var index));
                    if (map.Values[index] == "one" + i)
                    {
                        hasOne = true;
                    }
                    else if (map.Values[index] == "three" + i)
                    {
                        hasThree = true;
                    }
                    else
                    {
                        Assert.Fail();
                    }
                }

                Assert.IsFalse(traverse.Next(out _));
                Assert.IsTrue(hasOne);
                Assert.IsTrue(hasThree);
            }

            for (int i = 0; i < Size; i++)
            {
                var traverse = map.Find(i);
                while (traverse.Next(out int index))
                {
                    if (map.Values[index] == "one" + i)
                    {
                        map.Remove(index);
                        break;
                    }
                }
            }

            Assert.AreEqual(Size, map.Count);

            for (int i = 0; i < Size; i++)
            {
                var traverse = map.Find(i);

                Assert.IsTrue(traverse.Next(out int index));
                Assert.AreEqual("three" + i, map.Values[index]);
                Assert.IsFalse(traverse.Next(out _));
            }

            for (int i = 0; i < Size; i++)
            {
                var traverse = map.Find(i);
                while (traverse.Next(out int index))
                {
                    if (map.Values[index] == "three" + i)
                    {
                        map.Remove(index);
                        break;
                    }
                }
            }

            Assert.IsTrue(map.IsEmpty);
        }
Exemplo n.º 7
0
        private void ProcessPendingEntries()
        {
            foreach (var pKey in this.processQueue)
            {
                PooledElasticCircularBuffer <LEntry> leftWorking  = null;
                PooledElasticCircularBuffer <REntry> rightWorking = null;
                this.leftQueue.Lookup(pKey, out int index);
                leftWorking  = this.leftQueue.entries[index].value;
                rightWorking = this.rightQueue.entries[index].value;

                FastMap <ActiveEvent <TLeft> >  leftEdgeMapForPartition  = null;
                FastMap <ActiveEvent <TRight> > rightEdgeMapForPartition = null;
                this.partitionData.Lookup(pKey, out index);
                var partition = this.partitionData.entries[index].value;
                leftEdgeMapForPartition  = partition.leftEdgeMap;
                rightEdgeMapForPartition = partition.rightEdgeMap;

                while (true)
                {
                    bool hasLeftBatch  = leftWorking.TryPeekFirst(out LEntry leftEntry);
                    bool hasRightBatch = rightWorking.TryPeekFirst(out REntry rightEntry);
                    FastMap <ActiveEvent <TRight> > .FindTraverser rightEdges = default;
                    FastMap <ActiveEvent <TLeft> > .FindTraverser  leftEdges  = default;
                    if (hasLeftBatch && hasRightBatch)
                    {
                        UpdateNextLeftTime(partition, leftEntry.Sync);
                        UpdateNextRightTime(partition, rightEntry.Sync);

                        if (partition.nextLeftTime <= partition.nextRightTime)
                        {
                            if (leftEntry.Other != long.MinValue)
                            {
                                TKey key = leftEntry.Key;

                                var hash = leftEntry.Hash;
                                if (rightEdgeMapForPartition.Find(hash, ref rightEdges))
                                {
                                    while (rightEdges.Next(out int rightIndex))
                                    {
                                        if (this.keyComparer(key, rightEdgeMapForPartition.Values[rightIndex].Key))
                                        {
                                            OutputStartEdge(partition.nextLeftTime, ref key, ref leftEntry.Payload, ref rightEdgeMapForPartition.Values[rightIndex].Payload, hash);
                                        }
                                    }
                                }
                                if (!partition.isRightComplete)
                                {
                                    int newIndex = leftEdgeMapForPartition.Insert(hash);
                                    leftEdgeMapForPartition.Values[newIndex].Populate(ref key, ref leftEntry.Payload);
                                }

                                UpdateNextLeftTime(partition, leftEntry.Sync);
                            }
                            else
                            {
                                OutputPunctuation(leftEntry.Sync, ref leftEntry.Key, leftEntry.Hash);
                            }
                        }
                        else
                        {
                            if (rightEntry.Other != long.MinValue)
                            {
                                TKey key = rightEntry.Key;

                                var hash = rightEntry.Hash;
                                if (leftEdgeMapForPartition.Find(hash, ref leftEdges))
                                {
                                    while (leftEdges.Next(out int leftIndex))
                                    {
                                        if (this.keyComparer(key, leftEdgeMapForPartition.Values[leftIndex].Key))
                                        {
                                            OutputStartEdge(partition.nextRightTime, ref key, ref leftEdgeMapForPartition.Values[leftIndex].Payload, ref rightEntry.Payload, hash);
                                        }
                                    }
                                }
                                if (!partition.isLeftComplete)
                                {
                                    int newIndex = rightEdgeMapForPartition.Insert(hash);
                                    rightEdgeMapForPartition.Values[newIndex].Populate(ref key, ref rightEntry.Payload);
                                }

                                UpdateNextRightTime(partition, rightEntry.Sync);
                            }
                            else
                            {
                                OutputPunctuation(rightEntry.Sync, ref rightEntry.Key, rightEntry.Hash);
                            }
                        }
                    }
                    else if (hasLeftBatch)
                    {
                        UpdateNextLeftTime(partition, leftEntry.Sync);

                        if (leftEntry.Other != long.MinValue)
                        {
                            TKey key = leftEntry.Key;

                            var hash = leftEntry.Hash;
                            if (rightEdgeMapForPartition.Find(hash, ref rightEdges))
                            {
                                while (rightEdges.Next(out int rightIndex))
                                {
                                    if (this.keyComparer(key, rightEdgeMapForPartition.Values[rightIndex].Key))
                                    {
                                        OutputStartEdge(partition.nextLeftTime, ref key, ref leftEntry.Payload, ref rightEdgeMapForPartition.Values[rightIndex].Payload, hash);
                                    }
                                }
                            }
                            if (!partition.isRightComplete)
                            {
                                int newIndex = leftEdgeMapForPartition.Insert(hash);
                                leftEdgeMapForPartition.Values[newIndex].Populate(ref key, ref leftEntry.Payload);
                            }

                            UpdateNextLeftTime(partition, leftEntry.Sync);
                        }
                        else
                        {
                            OutputPunctuation(leftEntry.Sync, ref leftEntry.Key, leftEntry.Hash);
                            return;
                        }
                    }
                    else if (hasRightBatch)
                    {
                        UpdateNextRightTime(partition, rightEntry.Sync);

                        if (rightEntry.Other != long.MinValue)
                        {
                            TKey key = rightEntry.Key;

                            var hash = rightEntry.Hash;
                            if (leftEdgeMapForPartition.Find(hash, ref leftEdges))
                            {
                                while (leftEdges.Next(out int leftIndex))
                                {
                                    if (this.keyComparer(key, leftEdgeMapForPartition.Values[leftIndex].Key))
                                    {
                                        OutputStartEdge(partition.nextRightTime, ref key, ref leftEdgeMapForPartition.Values[leftIndex].Payload, ref rightEntry.Payload, hash);
                                    }
                                }
                            }
                            if (!partition.isLeftComplete)
                            {
                                int newIndex = rightEdgeMapForPartition.Insert(hash);
                                rightEdgeMapForPartition.Values[newIndex].Populate(ref key, ref rightEntry.Payload);
                            }

                            UpdateNextRightTime(partition, rightEntry.Sync);
                        }
                        else
                        {
                            OutputPunctuation(rightEntry.Sync, ref rightEntry.Key, rightEntry.Hash);
                        }
                    }
                    else
                    {
                        if (partition.nextLeftTime < this.lastLeftCTI)
                        {
                            UpdateNextLeftTime(partition, this.lastLeftCTI);
                        }
                        if (partition.nextRightTime < this.lastRightCTI)
                        {
                            UpdateNextRightTime(partition, this.lastRightCTI);
                        }
                        this.cleanKeys.Add(pKey);
                        break;
                    }
                }
            }

            if (this.emitCTI)
            {
                var earliest = Math.Min(this.lastLeftCTI, this.lastRightCTI);
                AddLowWatermarkToBatch(earliest);
                this.emitCTI = false;
                foreach (var p in this.cleanKeys)
                {
                    this.leftQueue.Lookup(p, out int index);
                    var l = this.leftQueue.entries[index];
                    var r = this.rightQueue.entries[index];
                    if (l.value.Count == 0 && r.value.Count == 0)
                    {
                        this.seenKeys.Remove(p);
                        l.value.Dispose();
                        this.leftQueue.Remove(p);
                        r.value.Dispose();
                        this.rightQueue.Remove(p);
                    }
                }

                this.cleanKeys.Clear();
            }

            this.processQueue.Clear();
        }
Exemplo n.º 8
0
        public override unsafe void OnNext(StreamMessage <TKey, TPayload> batch)
        {
            var stack = new Stack <int>();
            var activeFindTraverser = new FastMap <GroupedActiveState <TKey, TRegister> > .FindTraverser(this.activeStates);

            var tentativeFindTraverser = new FastMap <OutputEvent <TKey, TRegister> > .FindTraverser(this.tentativeOutput);

            var tentativeVisibleTraverser = new FastMap <OutputEvent <TKey, TRegister> > .VisibleTraverser(this.tentativeOutput);

            var count = batch.Count;

            var dest_vsync  = this.batch.vsync.col;
            var dest_vother = this.batch.vother.col;
            var destkey     = this.batch.key.col;
            var dest_hash   = this.batch.hash.col;

            var srckey = batch.key.col;

            fixed(long *src_bv = batch.bitvector.col, src_vsync = batch.vsync.col)
            {
                fixed(int *src_hash = batch.hash.col)
                {
                    for (int i = 0; i < count; i++)
                    {
                        if ((src_bv[i >> 6] & (1L << (i & 0x3f))) == 0)
                        {
                            long synctime = src_vsync[i];

                            if (!this.IsSyncTimeSimultaneityFree)
                            {
                                int index;

                                if (synctime > this.lastSyncTime) // move time forward
                                {
                                    this.seenEvent.Clear();
                                    if (this.tentativeOutput.Count > 0)
                                    {
                                        tentativeVisibleTraverser.currIndex = 0;

                                        while (tentativeVisibleTraverser.Next(out index, out int hash))
                                        {
                                            var elem = this.tentativeOutput.Values[index];

                                            dest_vsync[this.iter]             = this.lastSyncTime;
                                            dest_vother[this.iter]            = elem.other;
                                            this.batch.payload.col[this.iter] = elem.payload;
                                            destkey[this.iter]   = elem.key;
                                            dest_hash[this.iter] = hash;
                                            this.iter++;

                                            if (this.iter == Config.DataBatchSize)
                                            {
                                                FlushContents();
                                                dest_vsync  = this.batch.vsync.col;
                                                dest_vother = this.batch.vother.col;
                                                destkey     = this.batch.key.col;
                                                dest_hash   = this.batch.hash.col;
                                            }
                                        }

                                        this.tentativeOutput.Clear(); // Clear the tentative output list
                                    }

                                    this.lastSyncTime = synctime;
                                }

                                if (this.seenEvent.Lookup(srckey[i], out index))  // Incoming event is a simultaneous one
                                {
                                    if (this.seenEvent.entries[index].value == 1) // Detecting first duplicate, need to adjust state
                                    {
                                        this.seenEvent.entries[index].value = 2;

                                        // Delete tentative output for that key
                                        if (tentativeFindTraverser.Find(src_hash[i]))
                                        {
                                            while (tentativeFindTraverser.Next(out index))
                                            {
                                                if (this.keyEqualityComparer(this.tentativeOutput.Values[index].key, srckey[i]))
                                                {
                                                    tentativeFindTraverser.Remove();
                                                }
                                            }
                                        }

                                        // Delete active states for that key
                                        if (activeFindTraverser.Find(src_hash[i]))
                                        {
                                            while (activeFindTraverser.Next(out index))
                                            {
                                                if (this.keyEqualityComparer(this.activeStates.Values[index].key, srckey[i]))
                                                {
                                                    activeFindTraverser.Remove();
                                                }
                                            }
                                        }
                                    }

                                    // Dont process this event
                                    continue;
                                }
                                else
                                {
                                    this.seenEvent.Insert(ref index, srckey[i], 1);
                                }
                            }

                            /* (1) Process currently active states */
                            bool ended = true;
                            if (activeFindTraverser.Find(src_hash[i]))
                            {
                                int orig_index;

                                // Track which active states need to be inserted after the current traversal
                                var newActiveStates = new List <GroupedActiveState <TKey, TRegister> >();
                                while (activeFindTraverser.Next(out int index))
                                {
                                    orig_index = index;

                                    var state = this.activeStates.Values[index];
                                    if (!this.keyEqualityComparer(state.key, srckey[i]))
                                    {
                                        continue;
                                    }

                                    if (state.PatternStartTimestamp + this.MaxDuration > synctime)
                                    {
                                        var currentStateMap = this.singleEventStateMap[state.state];
                                        if (currentStateMap != null)
                                        {
                                            var m = currentStateMap.Length;
                                            for (int cnt = 0; cnt < m; cnt++)
                                            {
                                                var arcinfo = currentStateMap[cnt];

                                                if (arcinfo.Fence(synctime, batch[i], state.register))
                                                {
                                                    var newReg = arcinfo.Transfer == null
                                                        ? state.register
                                                        : arcinfo.Transfer(synctime, batch[i], state.register);
                                                    int ns = arcinfo.toState;
                                                    while (true)
                                                    {
                                                        if (this.isFinal[ns])
                                                        {
                                                            var otherTime = Math.Min(state.PatternStartTimestamp + this.MaxDuration, StreamEvent.InfinitySyncTime);

                                                            if (!this.IsSyncTimeSimultaneityFree)
                                                            {
                                                                int ind = this.tentativeOutput.Insert(src_hash[i]);
                                                                this.tentativeOutput.Values[ind].other   = otherTime;
                                                                this.tentativeOutput.Values[ind].key     = srckey[i];
                                                                this.tentativeOutput.Values[ind].payload = newReg;
                                                            }
                                                            else
                                                            {
                                                                dest_vsync[this.iter]  = synctime;
                                                                dest_vother[this.iter] = otherTime;
                                                                this.batch[this.iter]  = newReg;
                                                                destkey[this.iter]     = srckey[i];
                                                                dest_hash[this.iter]   = src_hash[i];
                                                                this.iter++;

                                                                if (this.iter == Config.DataBatchSize)
                                                                {
                                                                    FlushContents();
                                                                    dest_vsync  = this.batch.vsync.col;
                                                                    dest_vother = this.batch.vother.col;
                                                                    destkey     = this.batch.key.col;
                                                                    dest_hash   = this.batch.hash.col;
                                                                }
                                                            }
                                                        }

                                                        if (this.hasOutgoingArcs[ns])
                                                        {
                                                            // Since we will eventually remove this state/index from activeStates, attempt to reuse this index for the outgoing state instead of deleting/re-adding
                                                            // If index is already -1, this means we've already reused the state and must allocate/insert a new index for the outgoing state.
                                                            if (index != -1)
                                                            {
                                                                this.activeStates.Values[index].key      = srckey[i];
                                                                this.activeStates.Values[index].state    = ns;
                                                                this.activeStates.Values[index].register = newReg;
                                                                this.activeStates.Values[index].PatternStartTimestamp = state.PatternStartTimestamp;

                                                                index = -1;
                                                            }
                                                            else
                                                            {
                                                                // Do not attempt to insert directly into activeStates, as that could corrupt the traversal state.
                                                                newActiveStates.Add(new GroupedActiveState <TKey, TRegister>
                                                                {
                                                                    key      = srckey[i],
                                                                    state    = ns,
                                                                    register = newReg,
                                                                    PatternStartTimestamp = state.PatternStartTimestamp,
                                                                });
                                                            }

                                                            ended = false;

                                                            // Add epsilon arc destinations to stack
                                                            if (this.epsilonStateMap == null)
                                                            {
                                                                break;
                                                            }
                                                            if (this.epsilonStateMap[ns] != null)
                                                            {
                                                                for (int cnt2 = 0; cnt2 < this.epsilonStateMap[ns].Length; cnt2++)
                                                                {
                                                                    stack.Push(this.epsilonStateMap[ns][cnt2]);
                                                                }
                                                            }
                                                        }
                                                        if (stack.Count == 0)
                                                        {
                                                            break;
                                                        }
                                                        ns = stack.Pop();
                                                    }
                                                    if (this.IsDeterministic)
                                                    {
                                                        break;                       // We are guaranteed to have only one successful transition
                                                    }
                                                }
                                            }
                                        }
                                    }
                                    if (index == orig_index)
                                    {
                                        activeFindTraverser.Remove();
                                    }
                                    if (this.IsDeterministic)
                                    {
                                        break;                       // We are guaranteed to have only one active state
                                    }
                                }

                                // Now that we are done traversing the current active states, add any new ones.
                                foreach (var newActiveState in newActiveStates)
                                {
                                    this.activeStates.Insert(src_hash[i], newActiveState);
                                }
                            }

                            /* (2) Start new activations from the start state(s) */
                            if (!this.AllowOverlappingInstances && !ended)
                            {
                                continue;
                            }

                            for (int counter = 0; counter < this.numStartStates; counter++)
                            {
                                int startState    = this.startStates[counter];
                                var startStateMap = this.singleEventStateMap[startState];
                                if (startStateMap != null)
                                {
                                    var m = startStateMap.Length;
                                    for (int cnt = 0; cnt < m; cnt++)
                                    {
                                        var arcinfo = startStateMap[cnt];
                                        if (arcinfo.Fence(synctime, batch[i], this.defaultRegister))
                                        {
                                            var newReg = arcinfo.Transfer == null
                                                ? this.defaultRegister
                                                : arcinfo.Transfer(synctime, batch[i], this.defaultRegister);
                                            int ns = arcinfo.toState;
                                            while (true)
                                            {
                                                if (this.isFinal[ns])
                                                {
                                                    var otherTime = Math.Min(synctime + this.MaxDuration, StreamEvent.InfinitySyncTime);

                                                    if (!this.IsSyncTimeSimultaneityFree)
                                                    {
                                                        int ind = this.tentativeOutput.Insert(src_hash[i]);
                                                        this.tentativeOutput.Values[ind].other   = otherTime;
                                                        this.tentativeOutput.Values[ind].key     = srckey[i];
                                                        this.tentativeOutput.Values[ind].payload = newReg;
                                                    }
                                                    else
                                                    {
                                                        dest_vsync[this.iter]  = synctime;
                                                        dest_vother[this.iter] = otherTime;
                                                        this.batch[this.iter]  = newReg;
                                                        destkey[this.iter]     = srckey[i];
                                                        dest_hash[this.iter]   = src_hash[i];
                                                        this.iter++;

                                                        if (this.iter == Config.DataBatchSize)
                                                        {
                                                            FlushContents();
                                                            dest_vsync  = this.batch.vsync.col;
                                                            dest_vother = this.batch.vother.col;
                                                            destkey     = this.batch.key.col;
                                                            dest_hash   = this.batch.hash.col;
                                                        }
                                                    }
                                                }
                                                if (this.hasOutgoingArcs[ns])
                                                {
                                                    int index = this.activeStates.Insert(src_hash[i]);
                                                    this.activeStates.Values[index].key      = srckey[i];
                                                    this.activeStates.Values[index].state    = ns;
                                                    this.activeStates.Values[index].register = newReg;
                                                    this.activeStates.Values[index].PatternStartTimestamp = synctime;

                                                    // Add epsilon arc destinations to stack
                                                    if (this.epsilonStateMap == null)
                                                    {
                                                        break;
                                                    }
                                                    if (this.epsilonStateMap[ns] != null)
                                                    {
                                                        for (int cnt2 = 0; cnt2 < this.epsilonStateMap[ns].Length; cnt2++)
                                                        {
                                                            stack.Push(this.epsilonStateMap[ns][cnt2]);
                                                        }
                                                    }
                                                }
                                                if (stack.Count == 0)
                                                {
                                                    break;
                                                }
                                                ns = stack.Pop();
                                            }
                                            if (this.IsDeterministic)
                                            {
                                                break;                       // We are guaranteed to have only one successful transition
                                            }
                                        }
                                    }
                                }

                                if (this.IsDeterministic)
                                {
                                    break;                       // We are guaranteed to have only one start state
                                }
                            }
                        }
                        else if (batch.vother.col[i] < 0)
                        {
                            long synctime = src_vsync[i];
                            if (!this.IsSyncTimeSimultaneityFree && synctime > this.lastSyncTime) // move time forward
                            {
                                this.seenEvent.Clear();

                                if (this.tentativeOutput.Count > 0)
                                {
                                    tentativeVisibleTraverser.currIndex = 0;

                                    while (tentativeVisibleTraverser.Next(out int index, out int hash))
                                    {
                                        var elem = this.tentativeOutput.Values[index];

                                        this.batch.vsync.col[this.iter]   = this.lastSyncTime;
                                        this.batch.vother.col[this.iter]  = elem.other;
                                        this.batch.payload.col[this.iter] = elem.payload;
                                        this.batch.key.col[this.iter]     = elem.key;
                                        this.batch.hash.col[this.iter]    = hash;
                                        this.iter++;

                                        if (this.iter == Config.DataBatchSize)
                                        {
                                            FlushContents();
                                            dest_vsync  = this.batch.vsync.col;
                                            dest_vother = this.batch.vother.col;
                                            destkey     = this.batch.key.col;
                                            dest_hash   = this.batch.hash.col;
                                        }
                                    }

                                    this.tentativeOutput.Clear(); // Clear the tentative output list
                                }

                                this.lastSyncTime = synctime;
                            }

                            // Update dest_* on punctuation in case this event will hit the batch boundary and allocate a new batch
                            OnPunctuation(synctime);

                            dest_vsync  = this.batch.vsync.col;
                            dest_vother = this.batch.vother.col;
                            destkey     = this.batch.key.col;
                            dest_hash   = this.batch.hash.col;
                        }
                    }
                }
            }

            batch.Free();
        }