/**
* Starts the task.
*
* <p>The registered {@link TaskListener} will be notified on completion or failure.
*
* @param context the task context
*/
public void start(TaskContext context) {
this.context = context;
condition.addTaskListener(
new DefaultTaskListener() {
@Override
public void taskEvent(TaskEvent event) {
onConditionEvent(event);
}
});
task.addTaskListener(
new DefaultTaskListener() {
@Override
public void taskEvent(TaskEvent event) {
onTaskEvent(event);
}
});
if (elseTask != null) {
elseTask.addTaskListener(
new DefaultTaskListener() {
@Override
public void taskEvent(TaskEvent event) {
onTaskEvent(event);
}
});
}
start(condition, context);
}
/**
* Invoked when the condition task completes or is cancelled.
*
* @param event the event
*/
private void onConditionEvent(TaskEvent event) {
switch (event.getType()) {
case SKIPPED:
notifySkipped();
break;
case CANCELLED:
notifyCancelled();
break;
case COMPLETED:
if (condition.getValue()) {
start(task, context);
} else if (elseTask != null) {
start(elseTask, context);
} else {
notifyCompleted();
}
break;
}
}
