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/*******************************************************************************
* Copyright (c) 2005, 2015 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.common.utility.internal.predicate.int_;
import java.io.Serializable;
import org.eclipse.jpt.common.utility.predicate.IntPredicate;
/**
* Singleton predicate that always evaluates to
* <code>false</code>.
*
* @see True
*/
public final class False
implements IntPredicate, Serializable
{
public static final IntPredicate INSTANCE = new False();
public static IntPredicate instance() {
return INSTANCE;
}
// ensure single instance
private False() {
super();
}
/**
* Return <code>false</code>.
*/
public boolean evaluate(int variable) {
return false;
}
@Override
public String toString() {
return this.getClass().getSimpleName();
}
private static final long serialVersionUID = 1L;
private Object readResolve() {
// replace this object with the singleton
return INSTANCE;
}
}
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