/*
* Copyright (c) 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Florent Guillaume
*/
package org.eclipse.ecr.core.storage.sql;
/**
* Queue of invalidations.
* <p>
* All invalidations added are accumulated (from multiple threads), then
* returned when asked for.
*/
public class InvalidationsQueue {
public Invalidations queue; // used under synchronization
/** used for debugging */
public final String name;
public InvalidationsQueue(String name) {
queue = new Invalidations();
this.name = name;
}
/**
* Adds invalidations.
* <p>
* May be called asynchronously from multiple threads.
*/
public synchronized void addInvalidations(Invalidations invalidations) {
queue.add(invalidations);
}
/**
* Gets the queued invalidations and resets the queue.
*/
public synchronized Invalidations getInvalidations() {
Invalidations invalidations = queue;
queue = new Invalidations();
return invalidations;
}
@Override
public String toString() {
return getClass().getSimpleName() + '(' + name + ')';
}
}