コード例 #1
0
        public async Task When_Execute_ServiceTask_With_CSHARPCallback()
        {
            const string messageName     = "message";
            var          processInstance = ProcessInstanceBuilder.New("processFile")
                                           .AddMessage(messageName, "message", string.Empty)
                                           .AddStartEvent("1", "evt", _ =>
            {
                _.AddMessageEvtDef("id", cb =>
                {
                    cb.SetMessageRef(messageName);
                });
            })
                                           .AddServiceTask("2", "name", _ =>
            {
                _.SetCallback(typeof(GetWeatherInformationDelegate).FullName);
            })
                                           .AddSequenceFlow("seq1", "sequence", "1", "2")
                                           .Build();
            var jobServer = FakeCaseJobServer.New();

            try
            {
                await jobServer.RegisterProcessInstance(processInstance, CancellationToken.None);

                jobServer.Start();
                await jobServer.EnqueueProcessInstance(processInstance.AggregateId, true, CancellationToken.None);

                var casePlanInstance = await jobServer.MonitorProcessInstance(processInstance.AggregateId, (c) =>
                {
                    if (c == null)
                    {
                        return(false);
                    }

                    return(c.ElementInstances.Any());
                }, CancellationToken.None);

                await jobServer.EnqueueMessage(processInstance.AggregateId, messageName, null, CancellationToken.None);

                casePlanInstance = await jobServer.MonitorProcessInstance(processInstance.AggregateId, (c) =>
                {
                    if (c == null)
                    {
                        return(false);
                    }

                    return(c.ElementInstances.Count() == 2);
                }, CancellationToken.None);

                var startEventInstance  = casePlanInstance.ElementInstances.First(_ => _.FlowNodeId == "1");
                var serviceTaskInstance = casePlanInstance.ElementInstances.First(_ => _.FlowNodeId == "2");
                Assert.Equal(FlowNodeStates.Active, startEventInstance.State);
                Assert.Equal(ActivityStates.COMPLETED, serviceTaskInstance.ActivityState);
                Assert.Equal(FlowNodeStates.Complete, serviceTaskInstance.State);
            }
            finally
            {
                jobServer.Stop();
            }
        }
コード例 #2
0
        public async Task When_Execute_ConditionalSequenceFlow()
        {
            const string messageName     = "message";
            var          processInstance = ProcessInstanceBuilder.New("processFile")
                                           .AddMessage(messageName, "message", "item")
                                           .AddItemDef("item", ItemKinds.Information, false, typeof(PersonParameter).FullName)
                                           .AddStartEvent("1", "evt", _ =>
            {
                _.AddMessageEvtDef("id", cb =>
                {
                    cb.SetMessageRef(messageName);
                });
            })
                                           .AddEmptyTask("2", "name")
                                           .AddEmptyTask("3", "name")
                                           .AddSequenceFlow("seq1", "sequence", "1", "2", "context.GetIncomingMessage(\"Firstname\") == \"user\"")
                                           .AddSequenceFlow("seq2", "sequence", "1", "3", "context.GetIncomingMessage(\"Firstname\") == \"baduser\"")
                                           .Build();
            var jobServer = FakeCaseJobServer.New();

            try
            {
                await jobServer.RegisterProcessInstance(processInstance, CancellationToken.None);

                jobServer.Start();
                await jobServer.EnqueueProcessInstance(processInstance.AggregateId, true, CancellationToken.None);

                var casePlanInstance = await jobServer.MonitorProcessInstance(processInstance.AggregateId, (c) =>
                {
                    if (c == null)
                    {
                        return(false);
                    }

                    return(c.ElementInstances.Any());
                }, CancellationToken.None);

                await jobServer.EnqueueMessage(processInstance.AggregateId, messageName, new PersonParameter { Firstname = "user" }, CancellationToken.None);

                casePlanInstance = await jobServer.MonitorProcessInstance(processInstance.AggregateId, (c) =>
                {
                    if (c == null)
                    {
                        return(false);
                    }

                    return(c.ElementInstances.Count() == 2);
                }, CancellationToken.None);

                var startEventInstance     = casePlanInstance.ElementInstances.First(_ => _.FlowNodeId == "1");
                var firstEmptyTaskInstance = casePlanInstance.ElementInstances.First(_ => _.FlowNodeId == "2");
                Assert.Equal(FlowNodeStates.Active, startEventInstance.State);
                Assert.Equal(ActivityStates.COMPLETED, firstEmptyTaskInstance.ActivityState);
                Assert.Equal(FlowNodeStates.Complete, firstEmptyTaskInstance.State);
            }
            finally
            {
                jobServer.Stop();
            }
        }
コード例 #3
0
        public async Task When_Execute_BoundaryEvent()
        {
            var          humanTaskInstanceId = Guid.NewGuid().ToString();
            const string messageName         = "message";
            var          processInstance     = ProcessInstanceBuilder.New("processFile")
                                               .AddMessage(messageName, "message", "item")
                                               .AddMessage("humanTaskCreated", "humanTaskCreated", "item")
                                               .AddItemDef("item", ItemKinds.Information, false, typeof(PersonParameter).FullName)
                                               .AddStartEvent("1", "evt")
                                               .AddUserTask("2", "userTask", (cb) =>
            {
                cb.SetWsHumanTask("dressAppropriate");
                cb.AddBoundaryEventRef("3");
            })
                                               .AddBoundaryEvent("3", "messageReceived", _ =>
            {
                _.AddMessageEvtDef("id", cb =>
                {
                    cb.SetMessageRef(messageName);
                });
            })
                                               .AddEmptyTask("4", "emptyTask")
                                               .AddSequenceFlow("seq1", "sequence", "1", "2")
                                               .AddSequenceFlow("seq2", "sequence", "2", "3")
                                               .AddSequenceFlow("seq3", "sequence", "3", "4")
                                               .Build();
            var jobServer = FakeCaseJobServer.New();

            jobServer.HttpMessageHandler.Protected()
            .As <IHttpMessageHandler>()
            .Setup(x => x.SendAsync(It.IsAny <HttpRequestMessage>(), It.IsAny <CancellationToken>()))
            .ReturnsAsync(new HttpResponseMessage
            {
                Content = new StringContent("{ 'id' : '" + humanTaskInstanceId + "', 'defId': 'defId' }")
            });

            await jobServer.RegisterProcessInstance(processInstance, CancellationToken.None);

            await jobServer.EnqueueProcessInstance(processInstance.AggregateId, true, CancellationToken.None);

            await jobServer.EnqueueMessage(processInstance.AggregateId, messageName, new PersonParameter { }, CancellationToken.None);

            var casePlanInstance = await jobServer.Get(processInstance.AggregateId, CancellationToken.None);

            var ei = casePlanInstance.ElementInstances.First(_ => _.FlowNodeId == "2");
            await jobServer.EnqueueStateTransition(casePlanInstance.AggregateId, ei.EltId, "COMPLETED", new JObject(), CancellationToken.None);

            casePlanInstance = await jobServer.Get(processInstance.AggregateId, CancellationToken.None);

            var executionPath = casePlanInstance.ExecutionPathLst.First();

            Assert.True(casePlanInstance.ElementInstances.First(_ => _.FlowNodeId == "1").State == FlowNodeStates.Complete);
            Assert.True(casePlanInstance.ElementInstances.First(_ => _.FlowNodeId == "2").State == FlowNodeStates.Complete);
            Assert.True(casePlanInstance.ElementInstances.First(_ => _.FlowNodeId == "4").State == FlowNodeStates.Complete);
            Assert.Equal(1, executionPath.Pointers.First(p => p.FlowNodeId == "1").Outgoing.Count());
            Assert.Equal(1, executionPath.Pointers.First(p => p.FlowNodeId == "2").Incoming.Count());
            Assert.Equal(1, executionPath.Pointers.First(p => p.FlowNodeId == "2").Outgoing.Count());
            Assert.Equal(2, executionPath.Pointers.First(p => p.FlowNodeId == "3").Incoming.Count());
            Assert.Equal(2, executionPath.Pointers.First(p => p.FlowNodeId == "4").Incoming.Count());
        }
コード例 #4
0
        public async Task When_Execute_HumanTaskWithBoundaryEvent()
        {
            var          humanTaskInstanceId = Guid.NewGuid().ToString();
            const string messageName         = "humanTaskCreated";
            var          processInstance     = ProcessInstanceBuilder.New("processFile")
                                               .AddMessage(messageName, "humanTaskCreated", "item")
                                               .AddItemDef("item", ItemKinds.Information, false, typeof(HumanTaskParameter).FullName)
                                               .AddStartEvent("1", "evt")
                                               .AddUserTask("2", "userTask", (cb) =>
            {
                cb.SetWsHumanTask("dressAppropriate");
                cb.AddBoundaryEventRef("3");
            })
                                               .AddBoundaryEvent("3", "humanTaskCreated", _ =>
            {
                _.AddMessageEvtDef("id", cb =>
                {
                    cb.SetMessageRef(messageName);
                });
            })
                                               .AddEmptyTask("4", "firstEmptyTask")
                                               .AddEmptyTask("5", "secondEmptyTask")
                                               .AddSequenceFlow("seq1", "sequence", "1", "2")
                                               .AddSequenceFlow("seq2", "sequence", "2", "3")
                                               .AddSequenceFlow("seq3", "sequence", "3", "4")
                                               .AddSequenceFlow("seq4", "sequence", "2", "5")
                                               .Build();
            var jobServer = FakeCaseJobServer.New();

            jobServer.Start();
            jobServer.HttpMessageHandler.Protected()
            .As <IHttpMessageHandler>()
            .Setup(x => x.SendAsync(It.IsAny <HttpRequestMessage>(), It.IsAny <CancellationToken>()))
            .ReturnsAsync(new HttpResponseMessage
            {
                Content = new StringContent("{ 'id' : '" + humanTaskInstanceId + "', 'defId': 'defId' }")
            });
            await jobServer.RegisterProcessInstance(processInstance, CancellationToken.None);

            await jobServer.EnqueueProcessInstance(processInstance.AggregateId, true, CancellationToken.None);

            var result = await jobServer.MonitoringProcessInstance(processInstance.AggregateId, (p) =>
            {
                var elt = p.ElementInstances.FirstOrDefault(_ => _.FlowNodeId == "4");
                return(elt != null && elt.State == FlowNodeStates.Complete);
            }, CancellationToken.None);

            var ei = result.ElementInstances.First(_ => _.FlowNodeId == "2");
            await jobServer.EnqueueStateTransition(result.AggregateId, ei.EltId, "COMPLETED", new JObject(), CancellationToken.None);

            result = await jobServer.Get(processInstance.AggregateId, CancellationToken.None);

            Assert.True(result.ElementInstances.First(_ => _.FlowNodeId == "1").State == FlowNodeStates.Complete);
            Assert.True(result.ElementInstances.First(_ => _.FlowNodeId == "2").State == FlowNodeStates.Complete);
            Assert.True(result.ElementInstances.First(_ => _.FlowNodeId == "4").State == FlowNodeStates.Complete);
            jobServer.Stop();
        }
コード例 #5
0
        public async Task When_Execute_ParallelGateway()
        {
            const string messageName     = "message";
            var          processInstance = ProcessInstanceBuilder.New("processFile")
                                           .AddMessage(messageName, "message", "item")
                                           .AddItemDef("item", ItemKinds.Information, false, typeof(PersonParameter).FullName)
                                           .AddStartEvent("1", "evt", _ =>
            {
                _.AddMessageEvtDef("id", cb =>
                {
                    cb.SetMessageRef(messageName);
                });
            })
                                           .AddParallelGateway("2", "gateway", GatewayDirections.DIVERGING)
                                           .AddEmptyTask("3", "name")
                                           .AddEmptyTask("4", "name")
                                           .AddParallelGateway("5", "gateway", GatewayDirections.CONVERGING)
                                           .AddEmptyTask("6", "name")
                                           .AddSequenceFlow("seq1", "sequence", "1", "2")
                                           .AddSequenceFlow("seq2", "sequence", "2", "3")
                                           .AddSequenceFlow("seq3", "sequence", "2", "4")
                                           .AddSequenceFlow("seq4", "sequence", "3", "5")
                                           .AddSequenceFlow("seq5", "sequence", "4", "5")
                                           .AddSequenceFlow("seq6", "sequence", "5", "6")
                                           .Build();
            var jobServer = FakeCaseJobServer.New();
            await jobServer.RegisterProcessInstance(processInstance, CancellationToken.None);

            await jobServer.EnqueueProcessInstance(processInstance.AggregateId, true, CancellationToken.None);

            var casePlanInstance = await jobServer.Get(processInstance.AggregateId, CancellationToken.None);

            await jobServer.EnqueueMessage(processInstance.AggregateId, messageName, new PersonParameter { Firstname = "user" }, CancellationToken.None);

            casePlanInstance = await jobServer.Get(processInstance.AggregateId, CancellationToken.None);

            var startEventInstance               = casePlanInstance.ElementInstances.First(_ => _.FlowNodeId == "1");
            var firstParallelGateway             = casePlanInstance.ElementInstances.First(_ => _.FlowNodeId == "2");
            var firstEmptyTaskInstance           = casePlanInstance.ElementInstances.First(_ => _.FlowNodeId == "3");
            var secondEmptyTaskInstance          = casePlanInstance.ElementInstances.First(_ => _.FlowNodeId == "4");
            var secondParallelGateway            = casePlanInstance.ElementInstances.First(_ => _.FlowNodeId == "5");
            var thirdEmptyTaskInstance           = casePlanInstance.ElementInstances.First(_ => _.FlowNodeId == "6");
            var secondParallelGatewayExecPointer = casePlanInstance.ExecutionPathLst.First().Pointers.First(_ => _.FlowNodeId == "5");
            var thirdEmptyTaskExecPointer        = casePlanInstance.ExecutionPathLst.First().Pointers.First(_ => _.FlowNodeId == "6");

            Assert.Equal(FlowNodeStates.Active, startEventInstance.State);
            Assert.Equal(FlowNodeStates.Complete, firstParallelGateway.State);
            Assert.Equal(FlowNodeStates.Complete, firstEmptyTaskInstance.State);
            Assert.Equal(FlowNodeStates.Complete, secondEmptyTaskInstance.State);
            Assert.Equal(FlowNodeStates.Complete, secondParallelGateway.State);
            Assert.Equal(FlowNodeStates.Complete, thirdEmptyTaskInstance.State);
            Assert.Equal(2, secondParallelGatewayExecPointer.Incoming.Count());
            Assert.Equal(2, thirdEmptyTaskExecPointer.Incoming.Count());
        }
コード例 #6
0
        public async Task When_Execute_UserTask()
        {
            var humanTaskInstanceId = Guid.NewGuid().ToString();
            var processInstance     = ProcessInstanceBuilder.New("processFile")
                                      .AddStartEvent("1", "evt")
                                      .AddServiceTask("2", "serviceTask", (cb) =>
            {
                cb.SetDelegate("GetWeatherInformationDelegate");
            })
                                      .AddUserTask("3", "userTask", (cb) =>
            {
                cb.SetWsHumanTask("dressAppropriate", new Dictionary <string, string>
                {
                    { "degree", "context.GetIncomingMessage(\"weatherInformation\", \"degree\")" },
                    { "city", "context.GetIncomingMessage(\"weatherInformation\", \"city\")" }
                });
            })
                                      .AddSequenceFlow("seq1", "sequence", "1", "2")
                                      .AddSequenceFlow("seq2", "sequence", "2", "3")
                                      .Build();
            var jobServer = FakeCaseJobServer.New();

            jobServer.HttpMessageHandler.Protected()
            .As <IHttpMessageHandler>()
            .Setup(x => x.SendAsync(It.IsAny <HttpRequestMessage>(), It.IsAny <CancellationToken>()))
            .ReturnsAsync(new HttpResponseMessage
            {
                Content = new StringContent("{ 'id' : '" + humanTaskInstanceId + "', 'defId': 'defId' }")
            });
            await jobServer.RegisterProcessInstance(processInstance, CancellationToken.None);

            await jobServer.EnqueueProcessInstance(processInstance.AggregateId, true, CancellationToken.None);

            var casePlanInstance = await jobServer.Get(processInstance.AggregateId, CancellationToken.None);

            var ei = casePlanInstance.ElementInstances.First(_ => _.FlowNodeId == "3");
            await jobServer.EnqueueStateTransition(casePlanInstance.AggregateId, ei.EltId, "COMPLETED", new JObject(), CancellationToken.None);

            casePlanInstance = await jobServer.Get(processInstance.AggregateId, CancellationToken.None);

            Assert.True(casePlanInstance.ElementInstances.All(_ => _.State == FlowNodeStates.Complete));
        }
コード例 #7
0
        public async Task When_Execute_StartEvent_With_MessageEventDefinition()
        {
            const string messageName     = "message";
            var          processInstance = ProcessInstanceBuilder.New("processFile")
                                           .AddMessage(messageName, "message", string.Empty)
                                           .AddStartEvent("1", "evt", _ =>
            {
                _.AddMessageEvtDef("id", cb =>
                {
                    cb.SetMessageRef("message");
                });
            })
                                           .AddEmptyTask("2", "name", _ =>
            {
                _.SetStartQuantity(2);
            })
                                           .AddSequenceFlow("seq1", "sequence", "1", "2")
                                           .Build();
            var jobServer = FakeCaseJobServer.New();
            await jobServer.RegisterProcessInstance(processInstance, CancellationToken.None);

            await jobServer.EnqueueProcessInstance(processInstance.AggregateId, true, CancellationToken.None);

            var casePlanInstance = await jobServer.Get(processInstance.AggregateId, CancellationToken.None);

            await jobServer.EnqueueMessage(processInstance.AggregateId, messageName, null, CancellationToken.None);

            await jobServer.EnqueueMessage(processInstance.AggregateId, messageName, null, CancellationToken.None);

            casePlanInstance = await jobServer.Get(processInstance.AggregateId, CancellationToken.None);

            var startEventInstance = casePlanInstance.ElementInstances.First(_ => _.FlowNodeId == "1");
            var emptyTaskInstance  = casePlanInstance.ElementInstances.First(_ => _.FlowNodeId == "2");

            Assert.Equal(FlowNodeStates.Active, startEventInstance.State);
            Assert.Equal(ActivityStates.COMPLETED, emptyTaskInstance.ActivityState);
            Assert.Equal(FlowNodeStates.Complete, emptyTaskInstance.State);
            Assert.Equal(1, casePlanInstance.ExecutionPathLst.Count());
            Assert.Equal(1, casePlanInstance.ExecutionPathLst.First().ActivePointers.Count());
            Assert.Equal(4, casePlanInstance.ExecutionPathLst.First().Pointers.Count());
        }
コード例 #8
0
        public async Task When_Execute_InclusiveGateway()
        {
            const string messageName     = "message";
            var          processInstance = ProcessInstanceBuilder.New("1")
                                           .AddMessage(messageName, "message", "item")
                                           .AddItemDef("item", ItemKinds.Information, false, typeof(PersonParameter).FullName)
                                           .AddStartEvent("1", "evt", _ =>
            {
                _.AddMessageEvtDef("id", cb =>
                {
                    cb.SetMessageRef(messageName);
                });
            })
                                           .AddInclusiveGateway("2", "gateway", GatewayDirections.DIVERGING, "5")
                                           .AddEmptyTask("3", "name")
                                           .AddEmptyTask("4", "name")
                                           .AddEmptyTask("5", "name")
                                           .AddSequenceFlow("seq1", "sequence", "1", "2")
                                           .AddSequenceFlow("seq2", "sequence", "2", "3", "context.GetIncomingMessage(\"Firstname\") == \"user1\"")
                                           .AddSequenceFlow("seq3", "sequence", "2", "4", "context.GetIncomingMessage(\"Firstname\") == \"user2\"")
                                           .AddSequenceFlow("seq4", "sequence", "2", "5")
                                           .Build();
            var jobServer = FakeCaseJobServer.New();
            await jobServer.RegisterProcessInstance(processInstance, CancellationToken.None);

            await jobServer.EnqueueProcessInstance(processInstance.AggregateId, true, CancellationToken.None);

            var casePlanInstance = await jobServer.Get(processInstance.AggregateId, CancellationToken.None);

            await jobServer.EnqueueMessage(processInstance.AggregateId, messageName, new PersonParameter { }, CancellationToken.None);

            casePlanInstance = await jobServer.Get(processInstance.AggregateId, CancellationToken.None);

            var startEventInstance       = casePlanInstance.ElementInstances.First(_ => _.FlowNodeId == "1");
            var inclusiveGatewayInstance = casePlanInstance.ElementInstances.First(_ => _.FlowNodeId == "2");
            var firstEmptyTaskInstance   = casePlanInstance.ElementInstances.First(_ => _.FlowNodeId == "5");

            Assert.Equal(FlowNodeStates.Active, startEventInstance.State);
            Assert.Equal(FlowNodeStates.Complete, inclusiveGatewayInstance.State);
            Assert.Equal(FlowNodeStates.Complete, firstEmptyTaskInstance.State);
        }
コード例 #9
0
        public async Task When_Execute_Sequence_Of_Empty_Tasks()
        {
            var processInstance = ProcessInstanceBuilder.New("processFile")
                                  .AddStartEvent("1", "evt")
                                  .AddEmptyTask("2", "name")
                                  .AddEmptyTask("3", "name")
                                  .AddEmptyTask("4", "name")
                                  .AddSequenceFlow("seq1", "sequence", "1", "2")
                                  .AddSequenceFlow("seq2", "sequence", "1", "3")
                                  .AddSequenceFlow("seq3", "sequence", "2", "4")
                                  .AddSequenceFlow("seq3", "sequence", "3", "4")
                                  .Build();
            var jobServer = FakeCaseJobServer.New();

            try
            {
                await jobServer.RegisterProcessInstance(processInstance, CancellationToken.None);

                jobServer.Start();
                await jobServer.EnqueueProcessInstance(processInstance.AggregateId, true, CancellationToken.None);

                await jobServer.EnqueueProcessInstance(processInstance.AggregateId, true, CancellationToken.None);

                var casePlanInstance = await jobServer.MonitorProcessInstance(processInstance.AggregateId, (c) =>
                {
                    if (c == null)
                    {
                        return(false);
                    }

                    return(c.ElementInstances.Count() == 10);
                }, CancellationToken.None);

                Assert.Equal(10, casePlanInstance.ElementInstances.Count());
            }
            finally
            {
                jobServer.Stop();
            }
        }
コード例 #10
0
        public async Task When_Execute_Sequence_Of_Empty_Tasks()
        {
            var processInstance = ProcessInstanceBuilder.New("processFile")
                                  .AddStartEvent("1", "evt")
                                  .AddEmptyTask("2", "name")
                                  .AddEmptyTask("3", "name")
                                  .AddEmptyTask("4", "name")
                                  .AddSequenceFlow("seq1", "sequence", "1", "2")
                                  .AddSequenceFlow("seq2", "sequence", "1", "3")
                                  .AddSequenceFlow("seq3", "sequence", "2", "4")
                                  .AddSequenceFlow("seq3", "sequence", "3", "4")
                                  .Build();
            var jobServer = FakeCaseJobServer.New();
            await jobServer.RegisterProcessInstance(processInstance, CancellationToken.None);

            await jobServer.EnqueueProcessInstance(processInstance.AggregateId, true, CancellationToken.None);

            await jobServer.EnqueueProcessInstance(processInstance.AggregateId, true, CancellationToken.None);

            var casePlanInstance = await jobServer.Get(processInstance.AggregateId, CancellationToken.None);

            Assert.Equal(10, casePlanInstance.ElementInstances.Count());
        }
コード例 #11
0
        public static ICollection <ProcessInstanceAggregate> BuildInstances(tDefinitions definitions, string processFileId)
        {
            var result    = new List <ProcessInstanceAggregate>();
            var processes = definitions.Items.Where(_ => _ is tProcess).Cast <tProcess>();
            var messages  = definitions.Items.Where(_ => _ is tMessage).Cast <tMessage>();
            var itemDefs  = definitions.Items.Where(_ => _ is tItemDefinition).Cast <tItemDefinition>();

            foreach (var process in processes)
            {
                var builder = ProcessInstanceBuilder.New(processFileId);
                foreach (var message in messages)
                {
                    builder.AddMessage(message.id, message.name, message.itemRef?.Name);
                }

                foreach (var itemDef in itemDefs)
                {
                    builder.AddItemDef(itemDef.id, ItemKinds.Information, false, null);
                }

                foreach (var item in process.Items)
                {
                    tStartEvent       startEvt;
                    tEndEvent         endEvt;
                    tTask             task;
                    tSequenceFlow     sequenceFlow;
                    tExclusiveGateway exclusiveGateway;
                    tUserTask         userTask;
                    tServiceTask      serviceTask;
                    tBoundaryEvent    boundaryEvent;
                    if ((startEvt = item as tStartEvent) != null)
                    {
                        builder.AddStartEvent(startEvt.id, startEvt.name, cb =>
                        {
                            Update(cb, startEvt);
                        });
                    }
                    else if ((endEvt = item as tEndEvent) != null)
                    {
                        builder.AddEndEvent(endEvt.id, endEvt.name);
                    }
                    else if ((userTask = item as tUserTask) != null)
                    {
                        builder.AddUserTask(userTask.id, userTask.name, (cb) =>
                        {
                            Update(cb, item.id, process.Items);
                            if (userTask.implementation == BPMNConstants.UserTaskImplementations.WSHUMANTASK)
                            {
                                var parameters         = userTask.extensionElements?.Any.FirstOrDefault(_ => _.Name == "cmg:parameters");
                                List <tParameter> pars = new List <tParameter>();
                                if (parameters != null)
                                {
                                    var xmlSerializer = new XmlSerializer(typeof(tParameter), "http://www.omg.org/spec/BPMN/20100524/MODEL");
                                    foreach (XmlNode child in parameters.ChildNodes)
                                    {
                                        using (var txtReader = new StringReader(child.OuterXml))
                                        {
                                            pars.Add((tParameter)xmlSerializer.Deserialize(txtReader));
                                        }
                                    }
                                }

                                cb.SetWsHumanTask(userTask.wsHumanTaskDefName, pars.ToDictionary(_ => _.key, _ => _.value));
                            }
                        });
                    }
                    else if ((serviceTask = item as tServiceTask) != null)
                    {
                        builder.AddServiceTask(serviceTask.id, serviceTask.name, (cb) =>
                        {
                            Update(cb, item.id, process.Items);
                            if (serviceTask.implementation == BPMNConstants.ServiceTaskImplementations.CALLBACK)
                            {
                                cb.SetDelegate(serviceTask.delegateId);
                            }
                        });
                    }
                    else if ((task = item as tTask) != null)
                    {
                        builder.AddEmptyTask(task.id, task.name, (cb) =>
                        {
                            Update(cb, item.id, process.Items);
                        });
                    }
                    else if ((sequenceFlow = item as tSequenceFlow) != null)
                    {
                        builder.AddSequenceFlow(sequenceFlow.id, sequenceFlow.name, sequenceFlow.sourceRef, sequenceFlow.targetRef, sequenceFlow.conditionExpression?.Text.First());
                    }
                    else if ((exclusiveGateway = item as tExclusiveGateway) != null)
                    {
                        builder.AddExclusiveGateway(exclusiveGateway.id, exclusiveGateway.name, MAPPING_GATEWAY_DIRECTIONS[exclusiveGateway.gatewayDirection], exclusiveGateway.@default);
                    }
                    else if ((boundaryEvent = item as tBoundaryEvent) != null)
                    {
                        builder.AddBoundaryEvent(boundaryEvent.id, boundaryEvent.name, cb =>
                        {
                            Update(cb, boundaryEvent);
                        });
                    }
                }

                result.Add(builder.Build());
            }

            return(result);
        }