public static JoinPoint<Exception> fromTasks(Task<?,?>... tasks) {
		JoinPoint<Exception> jp = new JoinPoint<>();
		for (Task<?,?> task : tasks) jp.addToJoin(task.getOutput());
		jp.start();
		return jp;
	}
public static JoinPoint < Exception > fromTasks ( Task < ? , ? > ... tasks ) { JoinPoint < Exception > jp = new JoinPoint < > ( ) ; for ( Task < ? , ? > task : tasks ) jp . addToJoin ( task . getOutput ( ) ) ; jp . start ( ) ; return jp ; }
Shortcut method to create a JoinPoint waiting for the given tasks, <b>the JoinPoint is started by this method.</b>
If any task has error or is cancelled, the join point is immediately unblocked, even other tasks are still pending.