/* XXL: The eXtensible and fleXible Library for data processing
Copyright (C) 2000-2011 Prof. Dr. Bernhard Seeger
Head of the Database Research Group
Department of Mathematics and Computer Science
University of Marburg
Germany
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; either
version 3 of the License, or (at your option) any later version.
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.
You should have received a copy of the GNU Lesser General Public
License along with this library; If not, see <http://www.gnu.org/licenses/>.
http://code.google.com/p/xxl/
*/
package xxl.core.util.concurrency;
/**
* This class is useful if threads are accessing a common variable
* (or for simulating reference parameters in methods).
*/
public class MutableObject {
/** internal value */
protected Object value;
/**
* Creates a MutableObject.
* @param value sets the initial value
*/
public MutableObject(Object value) {
this.value = value;
}
/**
* Sets the internal value.
* @param value new value
*/
public synchronized void set(Object value) {
this.value = value;
}
/**
* Gets the internal value.
* @return returns the internal value
*/
public synchronized Object get() {
return value;
}
}