private static void addActivities(
Set<TransitionTarget> visited,
List<TransitionTarget> targets,
IActivity activity,
TransitionOptions options,
boolean forward,
Stack<TransitionStep> steps) {
ModelElementList<ITransition> transitions =
forward ? activity.getOutTransitions() : activity.getInTransitions();
JoinSplitType jsType = forward ? activity.getSplitType() : activity.getJoinType();
if (JoinSplitType.And == jsType && transitions.size() > 1) {
IActivity target =
consume(
activity,
asList(transitions),
CollectionUtils.<ITransition>newHashSet(),
forward,
options.areLoopsAllowed());
if (target != null) {
addActivity(visited, targets, target, options, forward, steps);
}
} else {
for (ITransition transition : transitions) {
IActivity target = forward ? transition.getToActivity() : transition.getFromActivity();
jsType = forward ? target.getJoinType() : target.getSplitType();
if (JoinSplitType.And != jsType) {
addActivity(visited, targets, target, options, forward, steps);
}
}
}
}
private static void addActivity(
Set<TransitionTarget> visited,
List<TransitionTarget> targets,
IActivity target,
TransitionOptions options,
boolean forward,
Stack<TransitionStep> steps) {
TransitionTarget candidate =
TransitionTargetFactory.createTransitionTarget(target, steps, forward);
if (!visited.add(candidate)) {
// target already visited, stop processing
return;
}
if (target.getBooleanAttribute(PredefinedConstants.ACTIVITY_IS_RELOCATE_TARGET_ATT)) {
// found a relocation target, check filters
String processIdPattern = options.getProcessIdPattern();
if (processIdPattern == null
|| target.getProcessDefinition().getId().matches(processIdPattern)) {
String activityIdPattern = options.getActivityIdPattern();
if (activityIdPattern == null || target.getId().matches(activityIdPattern)) {
targets.add(candidate);
}
}
}
if (options.isTransitionIntoSubprocessesAllowed()
&& target.getImplementationType() == ImplementationType.SubProcess
&& target.getSubProcessMode() != SubProcessModeKey.ASYNC_SEPARATE) {
IProcessDefinition process = target.getImplementationProcessDefinition();
if (process != null) {
steps.push(TransitionTargetFactory.createTransitionStep(target));
addActivities(visited, targets, process, options, forward, steps);
steps.pop();
}
}
addActivities(visited, targets, target, options, forward, steps);
}
private static void addActivities(
Set<TransitionTarget> visited,
List<TransitionTarget> targets,
IActivityInstance ai,
TransitionOptions options,
boolean forward,
Stack<TransitionStep> steps) {
if (ai != null) {
steps.push(TransitionTargetFactory.createTransitionStep(ai));
// add activities from current process definition
addActivities(visited, targets, ai.getActivity(), options, forward, steps);
// step up into the calling process - starting activity cannot be a relocation target
if (options.isTransitionOutOfSubprocessesAllowed()) {
addActivities(
visited,
targets,
ai.getProcessInstance().getStartingActivityInstance(),
options,
forward,
steps);
}
steps.pop();
}
}