/*
 * Copyright 2002-2018 the original author or authors.
 *
 * Licensed 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.springframework.aop;

import java.io.Serializable;

Canonical Pointcut instance that always matches.
Author:Rod Johnson
/** * Canonical Pointcut instance that always matches. * * @author Rod Johnson */
@SuppressWarnings("serial") final class TruePointcut implements Pointcut, Serializable { public static final TruePointcut INSTANCE = new TruePointcut();
Enforce Singleton pattern.
/** * Enforce Singleton pattern. */
private TruePointcut() { } @Override public ClassFilter getClassFilter() { return ClassFilter.TRUE; } @Override public MethodMatcher getMethodMatcher() { return MethodMatcher.TRUE; }
Required to support serialization. Replaces with canonical instance on deserialization, protecting Singleton pattern. Alternative to overriding equals().
/** * Required to support serialization. Replaces with canonical * instance on deserialization, protecting Singleton pattern. * Alternative to overriding {@code equals()}. */
private Object readResolve() { return INSTANCE; } @Override public String toString() { return "Pointcut.TRUE"; } }