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Spring Framework example source code file (Advisor.java)

This example Spring Framework source code file (Advisor.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Spring Framework tags/keywords

advice, advice, advisor, advisor

The Spring Framework Advisor.java source code

/*
 * Copyright 2002-2007 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 org.aopalliance.aop.Advice;

/** 
 * Base interface holding AOP <b>advice (action to take at a joinpoint)
 * and a filter determining the applicability of the advice (such as 
 * a pointcut). <i>This interface is not for use by Spring users, but to
 * allow for commonality in support for different types of advice.</i>
 *
 * <p>Spring AOP is based around around advice delivered via method
 * <b>interception, compliant with the AOP Alliance interception API. 
 * The Advisor interface allows support for different types of advice,
 * such as <b>before and after advice, which need not be
 * implemented using interception.
 *
 * @author Rod Johnson
 */
public interface Advisor {

	/**
	 * Return the advice part of this aspect. An advice may be an
	 * interceptor, a before advice, a throws advice, etc.
	 * @return the advice that should apply if the pointcut matches
	 * @see org.aopalliance.intercept.MethodInterceptor
	 * @see BeforeAdvice
	 * @see ThrowsAdvice
	 * @see AfterReturningAdvice
	 */
	Advice getAdvice();

	/**
	 * Return whether this advice is associated with a particular instance
	 * (for example, creating a mixin) or shared with all instances of
	 * the advised class obtained from the same Spring bean factory.
	 * <p>Note that this method is not currently used by the framework.
	 * Typical Advisor implementations always return <code>true.
	 * Use singleton/prototype bean definitions or appropriate programmatic
	 * proxy creation to ensure that Advisors have the correct lifecycle model.
	 * @return whether this advice is associated with a particular target instance
	 */
	boolean isPerInstance();

}

Other Spring Framework examples (source code examples)

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