public WalkConditionAnonymousInnerClass2(AbstractInstantiationCmd outerInstance, ProcessDefinitionImpl processDefinition, ActivityExecutionTreeMapping mapping, ExecutionEntity ancestorScopeExecution, PvmScope ancestorScope) { this.outerInstance = outerInstance; this.processDefinition = processDefinition; this.mapping = mapping; this.ancestorScopeExecution = ancestorScopeExecution; this.ancestorScope = ancestorScope; }
public MigratingInstanceParseContext(MigratingInstanceParser parser, MigrationPlan migrationPlan, ExecutionEntity processInstance, ProcessDefinitionEntity targetProcessDefinition) { this.parser = parser; this.sourceProcessDefinition = processInstance.getProcessDefinition(); this.targetProcessDefinition = targetProcessDefinition; this.migratingProcessInstance = new MigratingProcessInstance(processInstance.Id, sourceProcessDefinition, targetProcessDefinition); this.mapping = new ActivityExecutionTreeMapping(Context.CommandContext, processInstance.Id); this.instructionsBySourceScope = organizeInstructionsBySourceScope(migrationPlan); }
public MigratingInstanceParseContext(MigratingInstanceParser parser, IMigrationPlan migrationPlan, ExecutionEntity processInstance, ProcessDefinitionEntity targetProcessDefinition) { this.Parser = parser; sourceProcessDefinition = processInstance.GetProcessDefinition();//.ProcessDefinition; this.targetProcessDefinition = targetProcessDefinition; migratingProcessInstance = new MigratingProcessInstance(processInstance.Id, sourceProcessDefinition, targetProcessDefinition); mapping = new ActivityExecutionTreeMapping(context.Impl.Context.CommandContext, processInstance.Id); InstructionsBySourceScope = OrganizeInstructionsBySourceScope(migrationPlan); }
protected internal virtual ExecutionEntity GetSingleExecutionForScope(ActivityExecutionTreeMapping mapping, ScopeImpl scope) { var executions = mapping.GetExecutions(scope); if (executions.Count > 0) { if (executions.Count > 1) { throw new ProcessEngineException("Executions for activity " + scope + " ambiguous"); } } return(null); }
//JAVA TO C# CONVERTER WARNING: 'final' parameters are not available in .NET: //ORIGINAL LINE: protected org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity determineSourceInstanceExecution(final org.camunda.bpm.engine.impl.interceptor.CommandContext commandContext) protected internal override ExecutionEntity determineSourceInstanceExecution(CommandContext commandContext) { ExecutionEntity processInstance = commandContext.ExecutionManager.findExecutionById(processInstanceId); // rebuild the mapping because the execution tree changes with every iteration ActivityExecutionTreeMapping mapping = new ActivityExecutionTreeMapping(commandContext, processInstanceId); ActivityInstance instance = commandContext.runWithoutAuthorization(new CallableAnonymousInnerClass(this, commandContext)); ActivityInstance instanceToCancel = findActivityInstance(instance, activityInstanceId); EnsureUtil.ensureNotNull(typeof(NotValidException), describeFailure("Activity instance '" + activityInstanceId + "' does not exist"), "activityInstance", instanceToCancel); ExecutionEntity scopeExecution = getScopeExecutionForActivityInstance(processInstance, mapping, instanceToCancel); return(scopeExecution); }
protected internal override ExecutionEntity DetermineSourceInstanceExecution(CommandContext commandContext) { ExecutionEntity processInstance = commandContext.ExecutionManager.FindExecutionById(processInstanceId); // rebuild the mapping because the execution tree changes with every iteration var mapping = new ActivityExecutionTreeMapping(commandContext, processInstanceId); IActivityInstance instance = commandContext.RunWithoutAuthorization(() => (new GetActivityInstanceCmd(processInstanceId)).Execute(commandContext)); IActivityInstance instanceToCancel = FindActivityInstance(instance, ActivityInstanceId); EnsureUtil.EnsureNotNull(typeof(NotValidException), DescribeFailure("Activity instance '" + ActivityInstanceId + "' does not exist"), "activityInstance", instanceToCancel); ExecutionEntity scopeExecution = GetScopeExecutionForActivityInstance(processInstance, mapping, instanceToCancel); return(scopeExecution); //return new ExecutionEntity(); }
protected internal virtual ExecutionEntity getSingleExecutionForScope(ActivityExecutionTreeMapping mapping, ScopeImpl scope) { ISet <ExecutionEntity> executions = mapping.getExecutions(scope); if (executions.Count > 0) { if (executions.Count > 1) { throw new ProcessEngineException("Executions for activity " + scope + " ambiguous"); } return(executions.GetEnumerator().next()); } else { return(null); } }
protected internal virtual ExecutionEntity GetScopeExecutionForActivityInstance(ExecutionEntity processInstance, ActivityExecutionTreeMapping mapping, IActivityInstance activityInstance) { EnsureUtil.EnsureNotNull("activityInstance", activityInstance); ProcessDefinitionImpl processDefinition = processInstance.ProcessDefinition; ScopeImpl scope = GetScopeForActivityInstance(processDefinition, activityInstance); ISet <ExecutionEntity> executions = mapping.GetExecutions(scope); ISet <string> activityInstanceExecutions = new HashSet <string>(activityInstance.ExecutionIds); // TODO: this is a hack around the activity instance tree // remove with fix of CAM-3574 foreach (var activityInstanceExecutionId in activityInstance.ExecutionIds) { ExecutionEntity execution = context.Impl.Context.CommandContext.ExecutionManager.FindExecutionById(activityInstanceExecutionId); if (execution.IsConcurrent && execution.HasChildren()) { // concurrent executions have at most one child IActivityExecution child = execution.executions.First();//.Executions[0]; activityInstanceExecutions.Add(child.Id); } } // find the scope execution for the given activity instance ISet <ExecutionEntity> retainedExecutionsForInstance = new HashSet <ExecutionEntity>(); foreach (ExecutionEntity execution in executions) { if (activityInstanceExecutions.Contains(execution.Id)) { retainedExecutionsForInstance.Add(execution); } } if (retainedExecutionsForInstance.Count != 1) { throw new ProcessEngineException("There are " + retainedExecutionsForInstance.Count + " (!= 1) executions for activity instance " + activityInstance.Id); } return(retainedExecutionsForInstance.GetEnumerator().Current); }
public override object Execute(CommandContext commandContext) { ExecutionEntity processInstance = commandContext.ExecutionManager.FindExecutionById(processInstanceId); ProcessDefinitionImpl processDefinition = processInstance.GetProcessDefinition(); CoreModelElement elementToInstantiate = GetTargetElement(processDefinition); EnsureUtil.EnsureNotNull(typeof(NotValidException), DescribeFailure("Element '" + TargetElementId + "' does not exist in process '" + processDefinition.Id + "'"), "element", elementToInstantiate); // rebuild the mapping because the execution tree changes with every iteration var mapping = new ActivityExecutionTreeMapping(commandContext, processInstanceId); // before instantiating an activity, two things have to be determined: // // activityStack: // For the activity to instantiate, we build a stack of parent flow scopes // for which no executions exist yet and that have to be instantiated // // scopeExecution: // This is typically the execution under which a new sub tree has to be created. // if an explicit ancestor activity instance is set: // - this is the scope execution for that ancestor activity instance // - throws exception if that scope execution is not in the parent hierarchy // of the activity to be started // if no explicit ancestor activity instance is set: // - this is the execution of the first parent/ancestor flow scope that has an execution // - throws an exception if there is more than one such execution var targetFlowScope = GetTargetFlowScope(processDefinition); // prepare to walk up the flow scope hierarchy and collect the flow scope activities var stackCollector = new ActivityStackCollector(); var walker = new FlowScopeWalker(targetFlowScope); walker.AddPreVisitor(stackCollector); ExecutionEntity scopeExecution = null; // if no explicit ancestor activity instance is set if (ReferenceEquals(AncestorActivityInstanceId, null)) { // walk until a scope is reached for which executions exist walker.WalkWhile((element) => mapping.GetExecutions(element) .Count > 0 || element == processDefinition); var flowScopeExecutions = mapping.GetExecutions(walker.CurrentElement); if (flowScopeExecutions.Count > 1) { throw new ProcessEngineException("Ancestor activity execution is ambiguous for activity " + targetFlowScope); } //scopeExecution = flowScopeExecutions.GetEnumerator().Next(); scopeExecution = flowScopeExecutions.First(); } var activitiesToInstantiate = stackCollector.ActivityStack; activitiesToInstantiate.Reverse(); // We have to make a distinction between // - "regular" activities for which the activity stack can be instantiated and started // right away // - interrupting or cancelling activities for which we have to ensure that // the interruption and cancellation takes place before we instantiate the activity stack ActivityImpl topMostActivity = null; ScopeImpl flowScope = null; if (activitiesToInstantiate.Count > 0) { topMostActivity = (ActivityImpl)activitiesToInstantiate[0]; flowScope = topMostActivity.FlowScope; } else if (elementToInstantiate is ActivityImpl) { topMostActivity = (ActivityImpl)elementToInstantiate; flowScope = topMostActivity.FlowScope; } else if (elementToInstantiate is TransitionImpl) { var transitionToInstantiate = (TransitionImpl)elementToInstantiate; flowScope = transitionToInstantiate.Source.FlowScope; } if (!SupportsConcurrentChildInstantiation(flowScope)) { throw new ProcessEngineException("Concurrent instantiation not possible for " + "activities in scope " + flowScope.Id); } var startBehavior = ActivityStartBehavior.ConcurrentInFlowScope; if (topMostActivity != null) { startBehavior = topMostActivity.ActivityStartBehavior; if (activitiesToInstantiate.Count > 0) { // this is in BPMN relevant if there is an interrupting event sub process. // we have to distinguish between instantiation of the start event and any other activity. // instantiation of the start event means interrupting behavior; instantiation // of any other ITask means no interruption. IPvmActivity initialActivity = topMostActivity.Properties.Get(BpmnProperties.InitialActivity); IPvmActivity secondTopMostActivity = null; if (activitiesToInstantiate.Count > 1) { secondTopMostActivity = activitiesToInstantiate[1]; } else if (elementToInstantiate.GetType().IsSubclassOf(typeof(ActivityImpl))) { secondTopMostActivity = (IPvmActivity)elementToInstantiate; } if (initialActivity != secondTopMostActivity) { startBehavior = ActivityStartBehavior.ConcurrentInFlowScope; } } } //throw new Exception("startBehavior值:"+(int)startBehavior);//2 switch (startBehavior) { case ActivityStartBehavior.CancelEventScope: { ScopeImpl scopeToCancel = (ScopeImpl)topMostActivity.EventScope; var executionToCancel = GetSingleExecutionForScope(mapping, scopeToCancel); if (executionToCancel != null) { executionToCancel.DeleteCascade("Cancelling activity " + topMostActivity + " executed.", skipCustomListeners, skipIoMappings); Instantiate(executionToCancel.Parent, activitiesToInstantiate, elementToInstantiate); } else { var flowScopeExecution = GetSingleExecutionForScope(mapping, topMostActivity.FlowScope); InstantiateConcurrent(flowScopeExecution, activitiesToInstantiate, elementToInstantiate); } break; } case ActivityStartBehavior.InterruptEventScope: { ScopeImpl scopeToCancel = (ScopeImpl)topMostActivity.EventScope; var executionToCancel = GetSingleExecutionForScope(mapping, scopeToCancel); executionToCancel.Interrupt("Interrupting activity " + topMostActivity + " executed.", skipCustomListeners, skipIoMappings); executionToCancel.SetActivity(null); executionToCancel.LeaveActivityInstance(); Instantiate(executionToCancel, activitiesToInstantiate, elementToInstantiate); break; } case ActivityStartBehavior.InterruptFlowScope: { var scopeToCancel = topMostActivity.FlowScope; var executionToCancel = GetSingleExecutionForScope(mapping, scopeToCancel); executionToCancel.Interrupt("Interrupting activity " + topMostActivity + " executed.", skipCustomListeners, skipIoMappings); executionToCancel.SetActivity(null); executionToCancel.LeaveActivityInstance(); Instantiate(executionToCancel, activitiesToInstantiate, elementToInstantiate); break; } default: { // if all child executions have been cancelled // or this execution has ended executing its scope, it can be reused if (!scopeExecution.HasChildren() && (scopeExecution.GetActivity() == null || scopeExecution.IsEnded)) { // reuse the scope execution Instantiate(scopeExecution, activitiesToInstantiate, elementToInstantiate); } else { // if the activity is not cancelling/interrupting, it can simply be instantiated as // a concurrent child of the scopeExecution InstantiateConcurrent(scopeExecution, activitiesToInstantiate, elementToInstantiate); } break; } } return(null); }
//JAVA TO C# CONVERTER WARNING: 'final' parameters are not available in .NET: //ORIGINAL LINE: public Void execute(final org.camunda.bpm.engine.impl.interceptor.CommandContext commandContext) public override Void execute(CommandContext commandContext) { ExecutionEntity processInstance = commandContext.ExecutionManager.findExecutionById(processInstanceId); //JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final': //ORIGINAL LINE: final org.camunda.bpm.engine.impl.pvm.process.ProcessDefinitionImpl processDefinition = processInstance.getProcessDefinition(); ProcessDefinitionImpl processDefinition = processInstance.getProcessDefinition(); CoreModelElement elementToInstantiate = getTargetElement(processDefinition); EnsureUtil.ensureNotNull(typeof(NotValidException), describeFailure("Element '" + TargetElementId + "' does not exist in process '" + processDefinition.Id + "'"), "element", elementToInstantiate); // rebuild the mapping because the execution tree changes with every iteration //JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final': //ORIGINAL LINE: final org.camunda.bpm.engine.impl.ActivityExecutionTreeMapping mapping = new org.camunda.bpm.engine.impl.ActivityExecutionTreeMapping(commandContext, processInstanceId); ActivityExecutionTreeMapping mapping = new ActivityExecutionTreeMapping(commandContext, processInstanceId); // before instantiating an activity, two things have to be determined: // // activityStack: // For the activity to instantiate, we build a stack of parent flow scopes // for which no executions exist yet and that have to be instantiated // // scopeExecution: // This is typically the execution under which a new sub tree has to be created. // if an explicit ancestor activity instance is set: // - this is the scope execution for that ancestor activity instance // - throws exception if that scope execution is not in the parent hierarchy // of the activity to be started // if no explicit ancestor activity instance is set: // - this is the execution of the first parent/ancestor flow scope that has an execution // - throws an exception if there is more than one such execution ScopeImpl targetFlowScope = getTargetFlowScope(processDefinition); // prepare to walk up the flow scope hierarchy and collect the flow scope activities ActivityStackCollector stackCollector = new ActivityStackCollector(); FlowScopeWalker walker = new FlowScopeWalker(targetFlowScope); walker.addPreVisitor(stackCollector); ExecutionEntity scopeExecution = null; // if no explicit ancestor activity instance is set if (string.ReferenceEquals(ancestorActivityInstanceId, null)) { // walk until a scope is reached for which executions exist walker.walkWhile(new WalkConditionAnonymousInnerClass(this, processDefinition, mapping)); ISet <ExecutionEntity> flowScopeExecutions = mapping.getExecutions(walker.CurrentElement); if (flowScopeExecutions.Count > 1) { throw new ProcessEngineException("Ancestor activity execution is ambiguous for activity " + targetFlowScope); } scopeExecution = flowScopeExecutions.GetEnumerator().next(); } else { ActivityInstance tree = commandContext.runWithoutAuthorization(new CallableAnonymousInnerClass(this, commandContext)); ActivityInstance ancestorInstance = findActivityInstance(tree, ancestorActivityInstanceId); EnsureUtil.ensureNotNull(typeof(NotValidException), describeFailure("Ancestor activity instance '" + ancestorActivityInstanceId + "' does not exist"), "ancestorInstance", ancestorInstance); // determine ancestor activity scope execution and activity //JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final': //ORIGINAL LINE: final org.camunda.bpm.engine.impl.persistence.entity.ExecutionEntity ancestorScopeExecution = getScopeExecutionForActivityInstance(processInstance, mapping, ancestorInstance); ExecutionEntity ancestorScopeExecution = getScopeExecutionForActivityInstance(processInstance, mapping, ancestorInstance); //JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final': //ORIGINAL LINE: final org.camunda.bpm.engine.impl.pvm.PvmScope ancestorScope = getScopeForActivityInstance(processDefinition, ancestorInstance); PvmScope ancestorScope = getScopeForActivityInstance(processDefinition, ancestorInstance); // walk until the scope of the ancestor scope execution is reached walker.walkWhile(new WalkConditionAnonymousInnerClass2(this, processDefinition, mapping, ancestorScopeExecution, ancestorScope)); ISet <ExecutionEntity> flowScopeExecutions = mapping.getExecutions(walker.CurrentElement); if (!flowScopeExecutions.Contains(ancestorScopeExecution)) { throw new NotValidException(describeFailure("Scope execution for '" + ancestorActivityInstanceId + "' cannot be found in parent hierarchy of flow element '" + elementToInstantiate.Id + "'")); } scopeExecution = ancestorScopeExecution; } IList <PvmActivity> activitiesToInstantiate = stackCollector.ActivityStack; activitiesToInstantiate.Reverse(); // We have to make a distinction between // - "regular" activities for which the activity stack can be instantiated and started // right away // - interrupting or cancelling activities for which we have to ensure that // the interruption and cancellation takes place before we instantiate the activity stack ActivityImpl topMostActivity = null; ScopeImpl flowScope = null; if (activitiesToInstantiate.Count > 0) { topMostActivity = (ActivityImpl)activitiesToInstantiate[0]; flowScope = topMostActivity.FlowScope; } else if (elementToInstantiate.GetType().IsAssignableFrom(typeof(ActivityImpl))) { topMostActivity = (ActivityImpl)elementToInstantiate; flowScope = topMostActivity.FlowScope; } else if (elementToInstantiate.GetType().IsAssignableFrom(typeof(TransitionImpl))) { TransitionImpl transitionToInstantiate = (TransitionImpl)elementToInstantiate; flowScope = transitionToInstantiate.Source.FlowScope; } if (!supportsConcurrentChildInstantiation(flowScope)) { throw new ProcessEngineException("Concurrent instantiation not possible for " + "activities in scope " + flowScope.Id); } ActivityStartBehavior startBehavior = ActivityStartBehavior.CONCURRENT_IN_FLOW_SCOPE; if (topMostActivity != null) { startBehavior = topMostActivity.ActivityStartBehavior; if (activitiesToInstantiate.Count > 0) { // this is in BPMN relevant if there is an interrupting event sub process. // we have to distinguish between instantiation of the start event and any other activity. // instantiation of the start event means interrupting behavior; instantiation // of any other task means no interruption. PvmActivity initialActivity = topMostActivity.Properties.get(BpmnProperties.INITIAL_ACTIVITY); PvmActivity secondTopMostActivity = null; if (activitiesToInstantiate.Count > 1) { secondTopMostActivity = activitiesToInstantiate[1]; } else if (elementToInstantiate.GetType().IsAssignableFrom(typeof(ActivityImpl))) { secondTopMostActivity = (PvmActivity)elementToInstantiate; } if (initialActivity != secondTopMostActivity) { startBehavior = ActivityStartBehavior.CONCURRENT_IN_FLOW_SCOPE; } } } switch (startBehavior) { case ActivityStartBehavior.CANCEL_EVENT_SCOPE: { ScopeImpl scopeToCancel = topMostActivity.EventScope; ExecutionEntity executionToCancel = getSingleExecutionForScope(mapping, scopeToCancel); if (executionToCancel != null) { executionToCancel.deleteCascade("Cancelling activity " + topMostActivity + " executed.", skipCustomListeners, skipIoMappings); instantiate(executionToCancel.Parent, activitiesToInstantiate, elementToInstantiate); } else { ExecutionEntity flowScopeExecution = getSingleExecutionForScope(mapping, topMostActivity.FlowScope); instantiateConcurrent(flowScopeExecution, activitiesToInstantiate, elementToInstantiate); } break; } case ActivityStartBehavior.INTERRUPT_EVENT_SCOPE: { ScopeImpl scopeToCancel = topMostActivity.EventScope; ExecutionEntity executionToCancel = getSingleExecutionForScope(mapping, scopeToCancel); executionToCancel.interrupt("Interrupting activity " + topMostActivity + " executed.", skipCustomListeners, skipIoMappings); executionToCancel.setActivity(null); executionToCancel.leaveActivityInstance(); instantiate(executionToCancel, activitiesToInstantiate, elementToInstantiate); break; } case ActivityStartBehavior.INTERRUPT_FLOW_SCOPE: { ScopeImpl scopeToCancel = topMostActivity.FlowScope; ExecutionEntity executionToCancel = getSingleExecutionForScope(mapping, scopeToCancel); executionToCancel.interrupt("Interrupting activity " + topMostActivity + " executed.", skipCustomListeners, skipIoMappings); executionToCancel.setActivity(null); executionToCancel.leaveActivityInstance(); instantiate(executionToCancel, activitiesToInstantiate, elementToInstantiate); break; } default: { // if all child executions have been cancelled // or this execution has ended executing its scope, it can be reused if (!scopeExecution.hasChildren() && (scopeExecution.getActivity() == null || scopeExecution.Ended)) { // reuse the scope execution instantiate(scopeExecution, activitiesToInstantiate, elementToInstantiate); } else { // if the activity is not cancelling/interrupting, it can simply be instantiated as // a concurrent child of the scopeExecution instantiateConcurrent(scopeExecution, activitiesToInstantiate, elementToInstantiate); } break; } } return(null); }
public WalkConditionAnonymousInnerClass(AbstractInstantiationCmd outerInstance, ProcessDefinitionImpl processDefinition, ActivityExecutionTreeMapping mapping) { this.outerInstance = outerInstance; this.processDefinition = processDefinition; this.mapping = mapping; }