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Spring Framework example source code file (AspectJPrecedenceInformation.java)

This example Spring Framework source code file (AspectJPrecedenceInformation.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

aspectjprecedenceinformation, aspectjprecedenceinformation, ordered, ordered, string, string

The Spring Framework AspectJPrecedenceInformation.java source code

/*
 * Copyright 2002-2006 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.aspectj;

import org.springframework.core.Ordered;

/**
 * Interface to be implemented by types that can supply the information
 * needed to sort advice/advisors by AspectJ's precedence rules.
 *
 * @author Adrian Colyer
 * @since 2.0
 * @see org.springframework.aop.aspectj.autoproxy.AspectJPrecedenceComparator
 */
public interface AspectJPrecedenceInformation extends Ordered {

	// Implementation note:
	// We need the level of indirection this interface provides as otherwise the
	// AspectJPrecedenceComparator must ask an Advisor for its Advice in all cases
	// in order to sort advisors. This causes problems with the
	// InstantiationModelAwarePointcutAdvisor which needs to delay creating
	// its advice for aspects with non-singleton instantiation models.

	/**
	 * The name of the aspect (bean) in which the advice was declared.
	 */
	String getAspectName();

	/**
	 * The declaration order of the advice member within the aspect.
	 */
	int getDeclarationOrder();

	/**
	 * Return whether this is a before advice.
	 */
	boolean isBeforeAdvice();

	/**
	 * Return whether this is an after advice.
	 */
	boolean isAfterAdvice();

}

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