/// <summary>
///
/// </summary>
protected override void RunOperation()
{
try
{
// Find the actual scope that needs to be destroyed.
// This could be the incoming execution, or the first parent execution where isScope = true
// Find parent scope execution
IExecutionEntity scopeExecution = execution.IsScope ? execution : FindFirstParentScopeExecution(execution);
if (scopeExecution == null)
{
throw new ActivitiException("Programmatic error: no parent scope execution found for boundary event");
}
IExecutionEntityManager executionEntityManager = commandContext.ExecutionEntityManager;
DeleteAllChildExecutions(executionEntityManager, scopeExecution);
// Delete all scope tasks
ITaskEntityManager taskEntityManager = commandContext.TaskEntityManager;
DeleteAllScopeTasks(scopeExecution, taskEntityManager);
// Delete all scope jobs
ITimerJobEntityManager timerJobEntityManager = commandContext.TimerJobEntityManager;
DeleteAllScopeJobs(scopeExecution, timerJobEntityManager);
// Remove variables associated with this scope
IVariableInstanceEntityManager variableInstanceEntityManager = commandContext.VariableInstanceEntityManager;
RemoveAllVariablesFromScope(scopeExecution, variableInstanceEntityManager);
commandContext.HistoryManager.RecordActivityEnd(scopeExecution, scopeExecution.DeleteReason);
executionEntityManager.Delete(scopeExecution);
}
catch (Exception ex)
{
logger.LogError(ex, ex.Message);
throw;
}
}
public override void Execute(IExecutionEntity execution)
{
ICommandContext commandContext = Context.CommandContext;
IExecutionEntityManager executionEntityManager = commandContext.ExecutionEntityManager;
// find cancel boundary event:
IExecutionEntity parentScopeExecution = null;
IExecutionEntity currentlyExaminedExecution = executionEntityManager.FindById <IExecutionEntity>(execution.ParentId);
while (currentlyExaminedExecution != null && parentScopeExecution == null)
{
if (currentlyExaminedExecution.CurrentFlowElement is SubProcess)
{
parentScopeExecution = currentlyExaminedExecution;
SubProcess subProcess = (SubProcess)currentlyExaminedExecution.CurrentFlowElement;
if (subProcess.LoopCharacteristics != null)
{
IExecutionEntity miExecution = parentScopeExecution.Parent;
FlowElement miElement = miExecution.CurrentFlowElement;
if (miElement != null && miElement.Id.Equals(subProcess.Id))
{
parentScopeExecution = miExecution;
}
}
}
else
{
currentlyExaminedExecution = executionEntityManager.FindById <IExecutionEntity>(currentlyExaminedExecution.ParentId);
}
}
if (parentScopeExecution == null)
{
throw new ActivitiException("No sub process execution found for cancel end event " + execution.CurrentActivityId);
}
{
SubProcess subProcess = (SubProcess)parentScopeExecution.CurrentFlowElement;
BoundaryEvent cancelBoundaryEvent = null;
if (CollectionUtil.IsNotEmpty(subProcess.BoundaryEvents))
{
foreach (BoundaryEvent boundaryEvent in subProcess.BoundaryEvents)
{
if (CollectionUtil.IsNotEmpty(boundaryEvent.EventDefinitions) && boundaryEvent.EventDefinitions[0] is CancelEventDefinition)
{
cancelBoundaryEvent = boundaryEvent;
break;
}
}
}
if (cancelBoundaryEvent == null)
{
throw new ActivitiException("Could not find cancel boundary event for cancel end event " + execution.CurrentActivityId);
}
IExecutionEntity newParentScopeExecution = null;
currentlyExaminedExecution = executionEntityManager.FindById <IExecutionEntity>(parentScopeExecution.ParentId);
while (currentlyExaminedExecution != null && newParentScopeExecution == null)
{
if (currentlyExaminedExecution.IsScope)
{
newParentScopeExecution = currentlyExaminedExecution;
}
else
{
currentlyExaminedExecution = executionEntityManager.FindById <IExecutionEntity>(currentlyExaminedExecution.ParentId);
}
}
ScopeUtil.CreateCopyOfSubProcessExecutionForCompensation(parentScopeExecution);
if (subProcess.LoopCharacteristics != null)
{
IList <IExecutionEntity> multiInstanceExecutions = parentScopeExecution.Executions;
IList <IExecutionEntity> executionsToDelete = new List <IExecutionEntity>();
foreach (IExecutionEntity multiInstanceExecution in multiInstanceExecutions)
{
if (!multiInstanceExecution.Id.Equals(parentScopeExecution.Id))
{
ScopeUtil.CreateCopyOfSubProcessExecutionForCompensation(multiInstanceExecution);
// end all executions in the scope of the transaction
executionsToDelete.Add(multiInstanceExecution);
DeleteChildExecutions(multiInstanceExecution, execution, commandContext, History.DeleteReasonFields.TRANSACTION_CANCELED);
}
}
foreach (IExecutionEntity executionEntityToDelete in executionsToDelete)
{
DeleteChildExecutions(executionEntityToDelete, execution, commandContext, History.DeleteReasonFields.TRANSACTION_CANCELED);
}
}
// The current activity is finished (and will not be ended in the deleteChildExecutions)
commandContext.HistoryManager.RecordActivityEnd(execution, null);
// TODO: 先删除已生成的边界取消执行实例
var cancelBoundaryEventExecution = executionEntityManager.FindExecutionsByParentExecutionAndActivityIds(parentScopeExecution.Id, new string[] { cancelBoundaryEvent.Id }).FirstOrDefault();
executionEntityManager.Delete(cancelBoundaryEventExecution);
// set new parent for boundary event execution
execution.Parent = newParentScopeExecution ?? throw new ActivitiException("Programmatic error: no parent scope execution found for boundary event " + cancelBoundaryEvent.Id);
execution.CurrentFlowElement = cancelBoundaryEvent;
// end all executions in the scope of the transaction
DeleteChildExecutions(parentScopeExecution, execution, commandContext, History.DeleteReasonFields.TRANSACTION_CANCELED);
commandContext.HistoryManager.RecordActivityEnd(parentScopeExecution, History.DeleteReasonFields.TRANSACTION_CANCELED);
Context.Agenda.PlanTriggerExecutionOperation(execution);
}
}
