org.springframework.aop.AfterReturningAdvice.java Source code

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Here is the source code for org.springframework.aop.AfterReturningAdvice.java

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/*
 * Copyright 2002-2012 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
 * limitations under the License.
 */

package org.springframework.aop;

import java.lang.reflect.Method;

import org.springframework.lang.Nullable;

/**
 * After returning advice is invoked only on normal method return, not if an
 * exception is thrown. Such advice can see the return value, but cannot change it.
 *
 * @author Rod Johnson
 * @see MethodBeforeAdvice
 * @see ThrowsAdvice
 */
public interface AfterReturningAdvice extends AfterAdvice {

    /**
     * Callback after a given method successfully returned.
     * @param returnValue the value returned by the method, if any
     * @param method method being invoked
     * @param args arguments to the method
     * @param target target of the method invocation. May be {@code null}.
     * @throws Throwable if this object wishes to abort the call.
     * Any exception thrown will be returned to the caller if it's
     * allowed by the method signature. Otherwise the exception
     * will be wrapped as a runtime exception.
     */
    void afterReturning(@Nullable Object returnValue, Method method, Object[] args, @Nullable Object target)
            throws Throwable;

}