/*
* Geotoolkit - An Open Source Java GIS Toolkit
* http://www.geotoolkit.org
*
* (C) 2008 - 2013, Geomatys
*
* This library 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;
* version 2.1 of the License.
*
* This library 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.
*/
package org.geotoolkit.display.canvas.control;
/**
* Abstract monitor.
*
* @author Johann Sorel (Geomatys)
* @module
*/
public abstract class AbstractCanvasMonitor implements CanvasMonitor{
/**
* Thread safe value, volatile
*/
protected volatile boolean isRendering = false;
/**
* Thread safe value, volatile
*/
protected volatile boolean stopRequest = false;
/**
* {@inheritDoc }
*/
@Override
public void renderingStarted() {
isRendering = true;
stopRequest = false;
}
/**
* {@inheritDoc }
*/
@Override
public void renderingFinished() {
isRendering = false;
}
/**
* {@inheritDoc }
*/
@Override
public boolean isRendering() {
return isRendering;
}
/**
* {@inheritDoc }
*/
@Override
public void stopRendering() {
stopRequest = true;
}
/**
* {@inheritDoc }
*/
@Override
public boolean stopRequested() {
return stopRequest;
}
}