ThreadTools.java

/*
  JWildfire - an image and animation processor written in Java 
  Copyright (C) 1995-2016 Andreas Maschke

  This is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser 
  General Public License as published by the Free Software Foundation; either version 2.1 of the 
  License, or (at your option) any later version.
 
  This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without 
  even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public License along with this software; 
  if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jwildfire.base;

import java.util.List;

import org.jwildfire.create.tina.render.image.AbstractImageRenderThread;

public class ThreadTools {

  public static void waitForThreads(int threadCount, List<? extends AbstractImageRenderThread> threads) {
    if (threadCount > 1) {
      while (true) {
        boolean ready = true;
        for (AbstractImageRenderThread t : threads) {
          if (!t.isDone()) {
            ready = false;
            break;
          }
        }
        if (!ready) {
          try {
            Thread.sleep(1);
          }
          catch (InterruptedException e) {
            e.printStackTrace();
          }
        }
        else
          break;
      }
    }
  }

}