Пример #1
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();
        }
        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();
        }
Пример #4
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();
        }