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/*******************************************************************************
* Copyright (c) 2004, 2015 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jface.viewers;
/**
* Filter that accepts everything. Available as a singleton since having
* more than one instance would be wasteful.
*
* @since 3.1
*/
public final class AcceptAllFilter implements IFilter {
/**
* Returns the singleton instance of AcceptAllFilter
*
* @return the singleton instance of AcceptAllFilter
*/
public static IFilter getInstance() {
return singleton;
}
/**
* The singleton instance
*/
private static IFilter singleton = new AcceptAllFilter();
@Override
public boolean select(Object toTest) {
return true;
}
@Override
public boolean equals(Object other) {
return other instanceof AcceptAllFilter; // singleton
}
@Override
public int hashCode() {
return 1; // singleton
}
}