/**
* Gets the filtered notification tasks from all the post record task list.
*
* @return the filtered notification tasks
*/
private List<RecordTask> getFilterNotificationTask() {
List<RecordTask> events = new ArrayList<RecordTask>();
for (int i = 0; i < recordList.size(); i++) {
ActivityRecord record = recordList.get(i);
if (record instanceof AbstractElementRecord)
events.addAll(getNotificationTask(record.getPostTasks()));
else if (record instanceof CompoundRecord) {
// only collect those event will hold till the transaction stack
// is empty; otherwise the notifications must already be send
CompoundRecord cr = (CompoundRecord) record;
if ((cr instanceof FilterEventsCompoundRecord) || (cr instanceof LayoutCompoundRecord)) {
if (!((FilterEventsCompoundRecord) cr).isOutermostFilterTrans)
events.addAll(cr.getFilterNotificationTask());
} else {
TransactionOption options = cr.getOptions();
if (options != null
&& options.getSendTime() == TransactionOption.OUTMOST_TRANSACTION_SEND_TIME)
events.addAll(cr.getFilterNotificationTask());
}
}
}
// filter all the collected events
if (options != null) {
IEventFilter filter = options.getEventFilter();
if (filter != null) events = filter.filter(events);
}
return events;
}
protected void performPostTasks(Stack<CompoundRecord> transStack) {
List<RecordTask> simpleTasks = getPostTasks();
List<RecordTask> validationTasks = new ArrayList<RecordTask>();
for (int i = 0; i < simpleTasks.size(); i++) {
RecordTask task = simpleTasks.get(i);
if (task instanceof ValidationRecordTask) validationTasks.add(task);
}
// if this record is FilterEventsCompoundRecord and stack is empty, we
// can do the filter operation by the event filter directly, not need
// recusively call getFilterNotificationTask like the following 'else
// if'; it is a special case
if (this instanceof FilterEventsCompoundRecord && transStack.isEmpty()) {
// filter events
assert options != null;
IEventFilter filter = options.getEventFilter();
assert filter != null;
doTasks(transStack, filter.filter(getNotificationTask(simpleTasks)));
} else if (options != null
&& options.getSendTime() != TransactionOption.INSTANTANEOUS_SEND_TIME) {
// filter notification tasks and do them second
doTasks(transStack, getFilterNotificationTask());
} else if (options == null) {
// if options is not set, then hold the notification till
// transaction stack is empty
if (transStack == null || transStack.isEmpty())
doTasks(transStack, getNotificationTask(simpleTasks));
}
// do the validation task in the end
if (!validationTasks.isEmpty()) (validationTasks.get(0)).doTask(this, transStack);
}