コード例 #1
0
        private bool SaveWorkflow(InstancePersistenceContext context, SaveWorkflowCommand command)
        {
            if (context.InstanceVersion == -1)
            {
                context.BindAcquiredLock(0);
            }

            if (command.CompleteInstance)
            {
                context.CompletedInstance();
                if (!KeepInstanceDataAfterCompletion && ToDelete != null)
                {
                    //DeleteFiles(context.InstanceView.InstanceId);
                    ToDelete();
                }
            }
            else
            {
                Dictionary <string, InstanceValue> instanceData     = SerializeablePropertyBagConvertXNameInstanceValue(command.InstanceData);
                Dictionary <string, InstanceValue> instanceMetadata = SerializeInstanceMetadataConvertXNameInstanceValue(context, command);

                try
                {
                    //serialize_dc(instanceData, instanceMetadata);
                    //string serializedCorrelation = WorkflowSerialization.Serialize<WorkflowCorrelation>(this.Correlation);
                    string serializedInstanceData     = WorkflowSerialization.Serialize <Dictionary <string, InstanceValue> >(instanceData);
                    string serializedInstanceMetadata = WorkflowSerialization.Serialize <Dictionary <string, InstanceValue> >(instanceMetadata);

                    if (ToPersist != null)
                    {
                        ToPersist(new Serialized()
                        {
                            SerializedInstanceData     = WorkflowSerialization.Serialize <Dictionary <string, InstanceValue> >(instanceData),
                            SerializedInstanceMetadata = WorkflowSerialization.Serialize <Dictionary <string, InstanceValue> >(instanceMetadata)
                        });
                    }
                }
                catch (Exception exc)
                {
                    throw exc;
                }

                context.PersistedInstance(command.InstanceData);
                if (command.CompleteInstance)
                {
                    context.CompletedInstance();
                }

                if (command.UnlockInstance || command.CompleteInstance)
                {
                    context.InstanceHandle.Free();
                }
            }

            return(true);
        }
コード例 #2
0
        private bool SaveWorkflow(InstancePersistenceContext context, SaveWorkflowCommand command)
        {
            if (context.InstanceVersion == -1)
            {
                context.BindAcquiredLock(0);
            }

            if (command.CompleteInstance)
            {
                context.CompletedInstance();
                if (!KeepInstanceDataAfterCompletion)
                {
                    DeleteFiles(context.InstanceView.InstanceId);
                }
            }
            else
            {
                Dictionary <string, InstanceValue> instanceData     = SerializeablePropertyBagConvertXNameInstanceValue(command.InstanceData);
                Dictionary <string, InstanceValue> instanceMetadata = SerializeInstanceMetadataConvertXNameInstanceValue(context, command);

                try
                {
                    var serializedInstanceData = JsonConvert.SerializeObject(instanceData, Formatting.Indented, _jsonSerializerSettings);
                    File.WriteAllText(_storeDirectoryPath + "\\" + context.InstanceView.InstanceId + "-InstanceData", serializedInstanceData);

                    var serializedInstanceMetadata = JsonConvert.SerializeObject(instanceMetadata, Formatting.Indented, _jsonSerializerSettings);
                    File.WriteAllText(_storeDirectoryPath + "\\" + context.InstanceView.InstanceId + "-InstanceMetadata", serializedInstanceMetadata);
                }
                catch (Exception)
                {
                    throw;
                }

                foreach (KeyValuePair <XName, InstanceValue> property in command.InstanceMetadataChanges)
                {
                    context.WroteInstanceMetadataValue(property.Key, property.Value);
                }

                context.PersistedInstance(command.InstanceData);
                if (command.CompleteInstance)
                {
                    context.CompletedInstance();
                }

                if (command.UnlockInstance || command.CompleteInstance)
                {
                    context.InstanceHandle.Free();
                }
            }

            return(true);
        }
コード例 #3
0
        private bool SaveWorkflow(InstancePersistenceContext context, SaveWorkflowCommand command)
        {
            if (context.InstanceVersion == -1)
            {
                context.BindAcquiredLock(0);
            }

            if (command.CompleteInstance)
            {
                context.CompletedInstance();
            }
            else
            {
                string instanceType = "";

                const string  InstanceTypeXName = "{urn:schemas-microsoft-com:System.Runtime.DurableInstancing/4.0/metadata}InstanceType";
                InstanceValue instanceTypeInstanceValue;
                if (command.InstanceMetadataChanges.TryGetValue(InstanceTypeXName, out instanceTypeInstanceValue))
                {
                    instanceType = instanceTypeInstanceValue.Value.ToString();
                }

                Dictionary <string, object> fullInstanceData = new Dictionary <string, object>();
                fullInstanceData.Add("instanceId", context.InstanceView.InstanceId);
                fullInstanceData.Add("instanceOwnerId", context.InstanceView.InstanceOwner.InstanceOwnerId);
                fullInstanceData.Add("instanceData", SerializeablePropertyBag(command.InstanceData));
                fullInstanceData.Add("instanceMetadata", SerializeInstanceMetadata(context, command));

                foreach (KeyValuePair <XName, InstanceValue> property in command.InstanceMetadataChanges)
                {
                    context.WroteInstanceMetadataValue(property.Key, property.Value);
                }

                context.PersistedInstance(command.InstanceData);

                _stores.Save(WorkflowStoreComponents.Definition
                             | WorkflowStoreComponents.Metadata
                             | WorkflowStoreComponents.Streams
                             | WorkflowStoreComponents.TerminatingError
                             | WorkflowStoreComponents.Timer
                             | WorkflowStoreComponents.ActivityState
                             | WorkflowStoreComponents.JobState,
                             fullInstanceData);
            }

            return(true);
        }
コード例 #4
0
        private bool SaveWorkflow(InstancePersistenceContext context, SaveWorkflowCommand command)
        {
            if (context.InstanceVersion == -1)
            {
                context.BindAcquiredLock(0);
            }

            if (command.CompleteInstance)
            {
                context.CompletedInstance();
                if (!KeepInstanceDataAfterCompletion)
                {
                    _repository.Delete(context.InstanceView.InstanceId);
                }
            }
            else
            {
                var data     = SerializeData(command.InstanceData);
                var metadata = SerializeMetadata(context.InstanceView.InstanceMetadata, command.InstanceMetadataChanges);

                _repository.Save(context.InstanceView.InstanceId, new InstanceDataPackage(metadata, data));


                foreach (var property in command.InstanceMetadataChanges)
                {
                    context.WroteInstanceMetadataValue(property.Key, property.Value);
                }

                context.PersistedInstance(command.InstanceData);
                if (command.CompleteInstance)
                {
                    context.CompletedInstance();
                }

                if (command.UnlockInstance || command.CompleteInstance)
                {
                    context.InstanceHandle.Free();
                }
            }

            return(true);
        }
コード例 #5
0
ファイル: FileStore.cs プロジェクト: sunxiaotianmg/CoreWF
        private long ProcessSaveCommand(InstancePersistenceContext context, SaveWorkflowCommand command)
        {
            Owner owner = CheckOwner(context, command.Name);

            Instance instance = PersistenceItemManager.Load <Instance>(context.InstanceView.InstanceId);

            if (instance == null)
            {
                // Checking instance.Owner is like an InstanceLockQueryResult.
                context.QueriedInstanceStore(new InstanceLockQueryResult(context.InstanceView.InstanceId, Guid.Empty));

                if (context.InstanceView.IsBoundToLock)
                {
                    context.InstanceHandle.Free();
                    throw new InstanceLockLostException(command.Name, context.InstanceView.InstanceId);
                }

                instance = new Instance()
                {
                    Version  = 1,
                    Id       = context.InstanceView.InstanceId,
                    Owner    = context.InstanceView.InstanceOwner.InstanceOwnerId,
                    Metadata = new PropertyBag()
                };

                PersistenceItemManager.SaveToFile <Instance>(instance);
                context.BindAcquiredLock(1);
            }
            else
            {
                // Checking instance.Owner is like an InstanceLockQueryResult.
                context.QueriedInstanceStore(new InstanceLockQueryResult(context.InstanceView.InstanceId, instance.Owner));

                if (instance.State == InstanceState.Completed)
                {
                    throw new InstanceCompleteException(command.Name, context.InstanceView.InstanceId);
                }

                if (instance.Owner == Guid.Empty)
                {
                    if (context.InstanceView.IsBoundToLock)
                    {
                        context.InstanceHandle.Free();
                        throw new InstanceLockLostException(command.Name, context.InstanceView.InstanceId);
                    }

                    instance.Version++;
                    instance.Owner = context.InstanceView.InstanceOwner.InstanceOwnerId;
                    PersistenceItemManager.SaveToFile <Instance>(instance);
                    context.BindAcquiredLock(instance.Version);
                }
                else
                {
                    if (instance.Owner != context.InstanceView.InstanceOwner.InstanceOwnerId)
                    {
                        if (context.InstanceView.IsBoundToLock)
                        {
                            context.InstanceHandle.Free();
                            throw new InstanceLockLostException(command.Name, context.InstanceView.InstanceId);
                        }

                        throw new InstanceLockedException(command.Name, instance.Owner);
                    }
                    if (context.InstanceView.IsBoundToLock)
                    {
                        if (context.InstanceVersion != instance.Version)
                        {
                            if (context.InstanceVersion > instance.Version)
                            {
                                throw new InvalidProgramException("This is a bug, the context should never be bound higher than the lock.");
                            }
                            context.InstanceHandle.Free();
                            throw new InstanceLockLostException(command.Name, context.InstanceView.InstanceId);
                        }
                    }
                    else
                    {
                        // This is the very interesting parallel-convoy conflicting handle race resolution case.  Two handles
                        // can get bound to the same lock, which is necessary to allow parallel convoy to succeed without preventing
                        // zombied locked instances from being reclaimed.
                        return(instance.Version);
                    }
                }
            }

            foreach (KeyValuePair <Guid, IDictionary <XName, InstanceValue> > keyEntry in command.InstanceKeysToAssociate)
            {
                Key key = PersistenceItemManager.Load <Key>(keyEntry.Key);
                if (key != null)
                {
                    if (key.TargetInstanceId != Guid.Empty && key.TargetInstanceId != context.InstanceView.InstanceId)
                    {
                        throw new InstanceKeyCollisionException(command.Name, context.InstanceView.InstanceId, new InstanceKey(keyEntry.Key), key.TargetInstanceId);
                    }
                    // The SaveWorkflowCommand treats this as a no-op, whether completed or not.
                }
                else
                {
                    key = new Key()
                    {
                        Id               = keyEntry.Key,
                        State            = InstanceKeyState.Associated,
                        TargetInstanceId = context.InstanceView.InstanceId,
                        Metadata         = new PropertyBag(keyEntry.Value)
                    };
                    PersistenceItemManager.SaveToFile <Key>(key);
                    context.AssociatedInstanceKey(keyEntry.Key);
                    if (keyEntry.Value != null)
                    {
                        foreach (KeyValuePair <XName, InstanceValue> property in keyEntry.Value)
                        {
                            context.WroteInstanceKeyMetadataValue(keyEntry.Key, property.Key, property.Value);
                        }
                    }
                }
            }

            foreach (Guid keyGuid in command.InstanceKeysToComplete)
            {
                Key key = PersistenceItemManager.Load <Key>(keyGuid);
                if (key != null && key.TargetInstanceId == context.InstanceView.InstanceId)
                {
                    if (key.State == InstanceKeyState.Associated) //if (key.State != InstanceKeyState.Completed)
                    {
                        key.State = InstanceKeyState.Completed;
                        PersistenceItemManager.SaveToFile <Key>(key);
                        context.CompletedInstanceKey(keyGuid);
                    }
                }
                else
                {
                    // The SaveWorkflowCommand does not allow this.  (Should it validate against it?)
                    throw new InvalidOperationException("Attempting to complete a key which is not associated.");
                }
            }

            foreach (Guid keyGuid in command.InstanceKeysToFree)
            {
                Key key = PersistenceItemManager.Load <Key>(keyGuid);
                if (key != null && key.TargetInstanceId == context.InstanceView.InstanceId)
                {
                    if (key.State != InstanceKeyState.Completed)
                    {
                        context.CompletedInstanceKey(keyGuid);
                    }
                    key.State            = InstanceKeyState.Unknown;
                    key.TargetInstanceId = Guid.Empty;
                    key.Metadata         = null;
                    PersistenceItemManager.SaveToFile <Key>(key);
                    context.UnassociatedInstanceKey(keyGuid);
                }
                else
                {
                    // The SaveWorkflowCommand does not allow this.  (Should it validate against it?)
                    throw new InvalidOperationException("Attempting to complete a key which is not associated.");
                }
            }

            foreach (KeyValuePair <Guid, IDictionary <XName, InstanceValue> > keyEntry in command.InstanceKeyMetadataChanges)
            {
                Key key = PersistenceItemManager.Load <Key>(keyEntry.Key);
                if (key != null && key.TargetInstanceId == context.InstanceView.InstanceId && key.State == InstanceKeyState.Associated)
                {
                    if (keyEntry.Value != null)
                    {
                        foreach (KeyValuePair <XName, InstanceValue> property in keyEntry.Value)
                        {
                            if (property.Value.IsDeletedValue)
                            {
                                key.Metadata.Remove(property.Key);
                            }
                            else
                            {
                                key.Metadata[property.Key] = new InstanceValue(property.Value);
                            }
                            context.WroteInstanceKeyMetadataValue(keyEntry.Key, property.Key, property.Value);
                        }
                        PersistenceItemManager.SaveToFile <Key>(key);
                    }
                }
                else
                {
                    // The SaveWorkflowCommand does not allow this.  (Should it validate against it?)
                    throw new InvalidOperationException("Attempting to complete a key which is not associated.");
                }
            }

            foreach (KeyValuePair <XName, InstanceValue> property in command.InstanceMetadataChanges)
            {
                if (property.Value.IsDeletedValue)
                {
                    instance.Metadata.Remove(property.Key);
                }
                else
                {
                    instance.Metadata[property.Key] = new InstanceValue(property.Value);
                }

                context.WroteInstanceMetadataValue(property.Key, property.Value);
            }

            if (command.InstanceData.Count > 0)
            {
                instance.Data = new PropertyBag(command.InstanceData);
                context.PersistedInstance(command.InstanceData);
            }

            PersistenceItemManager.SaveToFile <Instance>(instance);

            // The command does the implicit advancement of everything into safe completed states.
            if (command.CompleteInstance)
            {
                if (instance.Data == null)
                {
                    instance.Data = new PropertyBag();
                    PersistenceItemManager.SaveToFile <Instance>(instance);
                    context.PersistedInstance(new Dictionary <XName, InstanceValue>());
                }

                Queue <Guid> keysToComplete = new Queue <Guid>();

                foreach (KeyValuePair <Guid, InstanceKeyView> keyEntry in context.InstanceView.InstanceKeys)
                {
                    if (keyEntry.Value.InstanceKeyState == InstanceKeyState.Associated)
                    {
                        keysToComplete.Enqueue(keyEntry.Key);
                    }
                }

                foreach (Guid keyToComplete in keysToComplete)
                {
                    Key key = PersistenceItemManager.Load <Key>(keyToComplete);
                    key.State = InstanceKeyState.Completed;
                    PersistenceItemManager.SaveToFile <Key>(key);
                    context.CompletedInstanceKey(keyToComplete);
                }

                instance.State = InstanceState.Completed;
                instance.Owner = Guid.Empty;

                PersistenceItemManager.SaveToFile <Instance>(instance);
                context.CompletedInstance();
                context.InstanceHandle.Free();
            }
            if (command.UnlockInstance)
            {
                instance.Owner = Guid.Empty;
                PersistenceItemManager.SaveToFile <Instance>(instance);
                context.InstanceHandle.Free();
            }

            return(0);
        }
コード例 #6
0
        private bool SaveWorkflow(InstancePersistenceContext context, SaveWorkflowCommand command)
        {
            if (context.InstanceVersion == -1)
            {
                context.BindAcquiredLock(0);
            }

            if (command.CompleteInstance)
            {
                context.CompletedInstance();
                if (!KeepInstanceDataAfterCompletion)
                {
                    DeleteFiles(context.InstanceView.InstanceId);
                }
            }
            else
            {
                Dictionary <string, InstanceValue> instanceData     = SerializeablePropertyBagConvertXNameInstanceValue(command.InstanceData);
                Dictionary <string, InstanceValue> instanceMetadata = SerializeInstanceMetadataConvertXNameInstanceValue(context, command);

                try
                {
                    //var serializedInstanceData = JsonConvert.SerializeObject(instanceData, Formatting.Indented, _jsonSerializerSettings);
                    ////File.WriteAllText(_storeDirectoryPath + "\\" + context.InstanceView.InstanceId + "-InstanceData", serializedInstanceData);
                    //File.WriteAllText(_storePathInstanceData, serializedInstanceData);
                    //var test_deserializ = JsonConvert.DeserializeObject<Dictionary<string, InstanceValue>>(serializedInstanceData, _jsonSerializerSettings);

                    //var serializedInstanceMetadata = JsonConvert.SerializeObject(instanceMetadata, Formatting.Indented, _jsonSerializerSettings);
                    ////File.WriteAllText(_storeDirectoryPath + "\\" + context.InstanceView.InstanceId + "-InstanceMetadata", serializedInstanceMetadata);
                    //File.WriteAllText(_storePathInstanceMetadata, serializedInstanceMetadata);
                    serialize_dc(instanceData, instanceMetadata);
                }
                catch (Exception exc)
                {
                    System.Runtime.Serialization.DataContractSerializerSettings settings = new System.Runtime.Serialization.DataContractSerializerSettings
                    {
                        PreserveObjectReferences = true,
                        KnownTypes = _knownTypes
                    };

                    string s1 = null;
                    System.Runtime.Serialization.DataContractSerializer serializer = new System.Runtime.Serialization.DataContractSerializer(instanceData.GetType(), settings);
                    using (MemoryStream ms = new MemoryStream())
                    {
                        serializer.WriteObject(ms, instanceData);
                        s1 = System.Text.Encoding.UTF8.GetString(ms.ToArray());
                    }

                    Dictionary <string, InstanceValue> obj = null;
                    System.Runtime.Serialization.DataContractSerializer deserializer = new System.Runtime.Serialization.DataContractSerializer(instanceData.GetType(), settings);
                    using (MemoryStream ms = new MemoryStream(System.Text.Encoding.UTF8.GetBytes(s1)))
                    {
                        obj = (Dictionary <string, InstanceValue>)deserializer.ReadObject(ms);
                    }


                    throw;
                }

                foreach (KeyValuePair <XName, InstanceValue> property in command.InstanceMetadataChanges)
                {
                    context.WroteInstanceMetadataValue(property.Key, property.Value);
                }

                context.PersistedInstance(command.InstanceData);
                if (command.CompleteInstance)
                {
                    context.CompletedInstance();
                }

                if (command.UnlockInstance || command.CompleteInstance)
                {
                    context.InstanceHandle.Free();
                }
            }

            return(true);
        }
コード例 #7
0
        private bool SaveWorkflow(InstancePersistenceContext context, SaveWorkflowCommand command)
        {
            if (context.InstanceVersion == -1)
            {
                context.BindAcquiredLock(0);
            }

            if (command.CompleteInstance)
            {
                context.CompletedInstance();
                if (!KeepInstanceDataAfterCompletion)
                {
                    DeleteFiles(context.InstanceView.InstanceId);
                }
            }
            else
            {
                Dictionary <string, InstanceValue> instanceData     = SerializeablePropertyBagConvertXNameInstanceValue(command.InstanceData);
                Dictionary <string, InstanceValue> instanceMetadata = SerializeInstanceMetadataConvertXNameInstanceValue(context, command);

                FileStream instanceDataStream;
                FileStream instanceMetadataStream;
                GetFileStreams(context.InstanceView.InstanceId, out instanceDataStream, out instanceMetadataStream, FileMode.OpenOrCreate);

                DataContractSerializer instanceDataSerializer;
                DataContractSerializer instanceMetadataSerializer;
                GetDataContractSerializers(out instanceDataSerializer, out instanceMetadataSerializer);

                try
                {
                    instanceDataSerializer.WriteObject(instanceDataStream, instanceData);
                    instanceMetadataSerializer.WriteObject(instanceMetadataStream, instanceMetadata);
                }
                catch (Exception)
                {
                    throw;
                }
                finally
                {
                    instanceDataStream.Flush();
                    instanceDataStream.Dispose();
                    instanceMetadataStream.Flush();
                    instanceMetadataStream.Dispose();
                }

                foreach (KeyValuePair <XName, InstanceValue> property in command.InstanceMetadataChanges)
                {
                    context.WroteInstanceMetadataValue(property.Key, property.Value);
                }

                context.PersistedInstance(command.InstanceData);
                if (command.CompleteInstance)
                {
                    context.CompletedInstance();
                }

                if (command.UnlockInstance || command.CompleteInstance)
                {
                    context.InstanceHandle.Free();
                }
            }

            return(true);
        }