/// <summary>
/// Actual implementation of leaving an activity.
/// </summary>
/// <param name="execution">
/// The current execution context </param>
/// <param name="checkConditions">
/// Whether or not to check conditions before determining whether or
/// not to take a transition. </param>
protected internal virtual void performOutgoingBehavior(ActivityExecution execution, bool checkConditions, IList <ActivityExecution> reusableExecutions)
{
LOG.leavingActivity(execution.Activity.Id);
string defaultSequenceFlow = (string)execution.Activity.getProperty("default");
IList <PvmTransition> transitionsToTake = new List <PvmTransition>();
IList <PvmTransition> outgoingTransitions = execution.Activity.OutgoingTransitions;
foreach (PvmTransition outgoingTransition in outgoingTransitions)
{
if (string.ReferenceEquals(defaultSequenceFlow, null) || !outgoingTransition.Id.Equals(defaultSequenceFlow))
{
Condition condition = (Condition)outgoingTransition.getProperty(BpmnParse.PROPERTYNAME_CONDITION);
if (condition == null || !checkConditions || condition.evaluate(execution))
{
transitionsToTake.Add(outgoingTransition);
}
}
}
if (transitionsToTake.Count == 1)
{
execution.leaveActivityViaTransition(transitionsToTake[0]);
}
else if (transitionsToTake.Count >= 1)
{
if (reusableExecutions == null || reusableExecutions.Count == 0)
{
execution.leaveActivityViaTransitions(transitionsToTake, Arrays.asList(execution));
}
else
{
execution.leaveActivityViaTransitions(transitionsToTake, reusableExecutions);
}
}
else
{
if (!string.ReferenceEquals(defaultSequenceFlow, null))
{
PvmTransition defaultTransition = execution.Activity.findOutgoingTransition(defaultSequenceFlow);
if (defaultTransition != null)
{
execution.leaveActivityViaTransition(defaultTransition);
}
else
{
throw LOG.missingDefaultFlowException(execution.Activity.Id, defaultSequenceFlow);
}
}
else if (outgoingTransitions.Count > 0)
{
throw LOG.missingConditionalFlowException(execution.Activity.Id);
}
else
{
if (((ActivityImpl)execution.Activity).CompensationHandler && isAncestorCompensationThrowing(execution))
{
execution.endCompensation();
}
else
{
LOG.missingOutgoingSequenceFlow(execution.Activity.Id);
execution.end(true);
}
}
}
}