/*
* Copyright (C) 2006-2016 DLR, Germany
*
* All rights reserved
*
* http://www.rcenvironment.de/
*/
package de.rcenvironment.toolkit.modules.concurrency.api;
import java.util.List;
/**
* Utility interface to execute a group of {@link Runnable}s in parallel.
*
* @author Robert Mischke
*/
public interface RunnablesGroup {
/**
* Adds a {@link Runnable} to execute when {@link #executeParallel()} is called.
*
* @param task the new {@link Runnable}
*/
void add(Runnable task);
/**
* Executes all previously added {@link Runnable}.
*
* @return a list of outcomes; on normal termination, "null" is added, or the {@link RuntimeException} if one occurred
*/
List<RuntimeException> executeParallel();
}