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/*******************************************************************************
* Copyright (c) 2008 Oracle. 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:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.core.internal.utility;
import org.eclipse.core.runtime.jobs.ISchedulingRule;
/**
* A job scheduling rule that conflicts only with itself.
*/
public final class SimpleSchedulingRule
implements ISchedulingRule
{
// singleton
private static final SimpleSchedulingRule INSTANCE = new SimpleSchedulingRule();
/**
* Return the singleton.
*/
public static ISchedulingRule instance() {
return INSTANCE;
}
/**
* Ensure single instance.
*/
private SimpleSchedulingRule() {
super();
}
public boolean contains(ISchedulingRule rule) {
return rule == this;
}
public boolean isConflicting(ISchedulingRule rule) {
return rule == this;
}
}
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