public ActionDescriptor getAction(int id) {
// check global actions
for (Iterator iterator = globalActions.iterator(); iterator.hasNext(); ) {
ActionDescriptor actionDescriptor = (ActionDescriptor) iterator.next();
if (actionDescriptor.getId() == id) {
return actionDescriptor;
}
}
// check steps
for (Iterator iterator = steps.iterator(); iterator.hasNext(); ) {
StepDescriptor stepDescriptor = (StepDescriptor) iterator.next();
ActionDescriptor actionDescriptor = stepDescriptor.getAction(id);
if (actionDescriptor != null) {
return actionDescriptor;
}
}
// check initial actions, which we now must have unique id's
for (Iterator iterator = initialActions.iterator(); iterator.hasNext(); ) {
ActionDescriptor actionDescriptor = (ActionDescriptor) iterator.next();
if (actionDescriptor.getId() == id) {
return actionDescriptor;
}
}
return null;
}
/**
* Remove an action from this workflow completely.
*
* <p>This method will check global actions and all steps.
*
* @return true if the action was successfully removed, false if it was not found
*/
public boolean removeAction(ActionDescriptor actionToRemove) {
// global actions
for (Iterator iterator = getGlobalActions().iterator(); iterator.hasNext(); ) {
ActionDescriptor actionDescriptor = (ActionDescriptor) iterator.next();
if (actionDescriptor.getId() == actionToRemove.getId()) {
getGlobalActions().remove(actionDescriptor);
return true;
}
}
// steps
for (Iterator iterator = getSteps().iterator(); iterator.hasNext(); ) {
StepDescriptor stepDescriptor = (StepDescriptor) iterator.next();
ActionDescriptor actionDescriptor = stepDescriptor.getAction(actionToRemove.getId());
if (actionDescriptor != null) {
stepDescriptor.getActions().remove(actionDescriptor);
return true;
}
}
return false;
}
// refactored this out from the three addAction methods above
private void addAction(Object actionsCollectionOrMap, ActionDescriptor descriptor) {
if (getAction(descriptor.getId()) != null) {
throw new IllegalArgumentException(
"action with id " + descriptor.getId() + " already exists for this step.");
}
if (actionsCollectionOrMap instanceof Map) {
((Map) actionsCollectionOrMap).put(new Integer(descriptor.getId()), descriptor);
} else {
((Collection) actionsCollectionOrMap).add(descriptor);
}
}
public ActionDescriptor getInitialAction(int id) {
for (Iterator iterator = initialActions.iterator(); iterator.hasNext(); ) {
ActionDescriptor actionDescriptor = (ActionDescriptor) iterator.next();
if (actionDescriptor.getId() == id) {
return actionDescriptor;
}
}
return null;
}
public void validate() throws InvalidWorkflowDescriptorException {
ValidationHelper.validate(this.getRegisters());
ValidationHelper.validate(this.getTriggerFunctions().values());
ValidationHelper.validate(this.getGlobalActions());
ValidationHelper.validate(this.getInitialActions());
ValidationHelper.validate(this.getCommonActions().values());
ValidationHelper.validate(this.getSteps());
ValidationHelper.validate(this.getSplits());
ValidationHelper.validate(this.getJoins());
Set actions = new HashSet();
Iterator i = globalActions.iterator();
while (i.hasNext()) {
ActionDescriptor action = (ActionDescriptor) i.next();
actions.add(new Integer(action.getId()));
}
i = getSteps().iterator();
while (i.hasNext()) {
StepDescriptor step = (StepDescriptor) i.next();
Iterator j = step.getActions().iterator();
while (j.hasNext()) {
ActionDescriptor action = (ActionDescriptor) j.next();
// check to see if it's a common action (dups are ok, since that's the point of common
// actions!)
if (!action.isCommon()) {
if (!actions.add(new Integer(action.getId()))) {
throw new InvalidWorkflowDescriptorException(
"Duplicate occurance of action ID "
+ action.getId()
+ " found in step "
+ step.getId());
}
}
}
}
// now we have all our unique actions, let's check that no common action id's exist in them
i = commonActions.keySet().iterator();
while (i.hasNext()) {
Integer action = (Integer) i.next();
if (actions.contains(action)) {
throw new InvalidWorkflowDescriptorException(
"common-action ID " + action + " is duplicated in a step action");
}
}
i = initialActions.iterator();
while (i.hasNext()) {
ActionDescriptor action = (ActionDescriptor) i.next();
if (actions.contains(new Integer(action.getId()))) {
throw new InvalidWorkflowDescriptorException(
"initial-action ID " + action + " is duplicated in a step action");
}
}
validateDTD();
}
