public override void OnEvent(IActivitiEvent @event)
{
if (IsValidEvent(@event))
{
var commandContext = Context.CommandContext;
IExecutionEntity execution = null;
if (@event.ExecutionId is object)
{
// Get the execution based on the event's execution ID instead
execution = commandContext.ExecutionEntityManager.FindById <IExecutionEntity>(@event.ExecutionId);
}
if (execution is null)
{
throw new ActivitiException("No execution context active and event is not related to an execution. No compensation event can be thrown.");
}
try
{
ErrorPropagation.PropagateError(errorCode, execution);
}
catch (Exception e)
{
throw new ActivitiException("Error while propagating error-event", e);
}
}
}
public override void OnEvent(IActivitiEvent @event)
{
if (IsValidEvent(@event))
{
//仅是为了执行一次退栈操作
_ = Context.CommandContext;
IExecutionEntity execution = null;
if (@event.ExecutionId is object)
{
// Get the execution based on the event's execution ID instead execution = Context.CommandContext.ExecutionEntityManager.findById<instead>(new KeyValuePair<string, object>("id", @event.ExecutionId));
}
if (execution == null)
{
throw new ActivitiException("No execution context active and event is not related to an execution. No compensation event can be thrown.");
}
try
{
ErrorPropagation.PropagateError(errorCode, execution);
}
catch (Exception e)
{
throw new ActivitiException("Error while propagating error-event", e);
}
}
}
// Activity Behavior
public override void Execute(IExecutionEntity execution)
{
bool isSkipExpressionEnabled = SkipExpressionUtil.IsSkipExpressionEnabled(execution, skipExpression);
if (!isSkipExpressionEnabled || (isSkipExpressionEnabled && !SkipExpressionUtil.ShouldSkipFlowElement(execution, skipExpression)))
{
if (Context.ProcessEngineConfiguration.EnableProcessDefinitionInfoCache)
{
JToken taskElementProperties = Context.GetBpmnOverrideElementProperties(serviceTaskId, execution.ProcessDefinitionId);
if (taskElementProperties != null && taskElementProperties[DynamicBpmnConstants.SERVICE_TASK_CLASS_NAME] != null)
{
string overrideClassName = taskElementProperties[DynamicBpmnConstants.SERVICE_TASK_CLASS_NAME].ToString();
if (!string.IsNullOrWhiteSpace(overrideClassName) && !overrideClassName.Equals(className))
{
className = overrideClassName;
activityBehaviorInstance = null;
}
}
}
if (activityBehaviorInstance == null)
{
activityBehaviorInstance = ActivityBehaviorInstance;
}
try
{
activityBehaviorInstance.Execute(execution);
}
catch (BpmnError error)
{
ErrorPropagation.PropagateError(error, execution);
}
catch (Exception e)
{
if (!ErrorPropagation.MapException(e, execution, mapExceptions))
{
throw e;
}
}
}
}