RejectingPredicate.java

/*-
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.sling.query.predicate;

import org.apache.sling.query.api.Predicate;

public class RejectingPredicate<T> implements Predicate<T> {

	private final Predicate<T> predicate;

	public RejectingPredicate() {
		this(new Predicate<T>() {
			@Override
			public boolean accepts(T resource) {
				return true;
			}
		});
	}

	public RejectingPredicate(Predicate<T> predicate) {
		this.predicate = predicate;
	}

	@Override
	public boolean accepts(T value) {
		return !predicate.accepts(value);
	}
}