/*
 * Copyright 2002-2017 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
 *
 *      https://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
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package org.springframework.aop.support;

import java.io.Serializable;

import org.aopalliance.aop.Advice;

import org.springframework.aop.PointcutAdvisor;
import org.springframework.core.Ordered;
import org.springframework.lang.Nullable;
import org.springframework.util.ObjectUtils;

Abstract base class for PointcutAdvisor implementations. Can be subclassed for returning a specific pointcut/advice or a freely configurable pointcut/advice.
Author:Rod Johnson, Juergen Hoeller
See Also:
Since:1.1.2
/** * Abstract base class for {@link org.springframework.aop.PointcutAdvisor} * implementations. Can be subclassed for returning a specific pointcut/advice * or a freely configurable pointcut/advice. * * @author Rod Johnson * @author Juergen Hoeller * @since 1.1.2 * @see AbstractGenericPointcutAdvisor */
@SuppressWarnings("serial") public abstract class AbstractPointcutAdvisor implements PointcutAdvisor, Ordered, Serializable { @Nullable private Integer order; public void setOrder(int order) { this.order = order; } @Override public int getOrder() { if (this.order != null) { return this.order; } Advice advice = getAdvice(); if (advice instanceof Ordered) { return ((Ordered) advice).getOrder(); } return Ordered.LOWEST_PRECEDENCE; } @Override public boolean isPerInstance() { return true; } @Override public boolean equals(@Nullable Object other) { if (this == other) { return true; } if (!(other instanceof PointcutAdvisor)) { return false; } PointcutAdvisor otherAdvisor = (PointcutAdvisor) other; return (ObjectUtils.nullSafeEquals(getAdvice(), otherAdvisor.getAdvice()) && ObjectUtils.nullSafeEquals(getPointcut(), otherAdvisor.getPointcut())); } @Override public int hashCode() { return PointcutAdvisor.class.hashCode(); } }