/*
* 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;
/**
* Core Spring pointcut abstraction.
*
* <p>A pointcut is composed of a {@link ClassFilter} and a {@link MethodMatcher}.
* Both these basic terms and a Pointcut itself can be combined to build up combinations
* (e.g. through {@link org.springframework.aop.support.ComposablePointcut}).
*
* @author Rod Johnson
* @see ClassFilter
* @see MethodMatcher
* @see org.springframework.aop.support.Pointcuts
* @see org.springframework.aop.support.ClassFilters
* @see org.springframework.aop.support.MethodMatchers
*/
public interface Pointcut {
/**
* Return the ClassFilter for this pointcut.
* @return the ClassFilter (never <code>null</code>)
*/
ClassFilter getClassFilter();
/**
* Return the MethodMatcher for this pointcut.
* @return the MethodMatcher (never <code>null</code>)
*/
MethodMatcher getMethodMatcher();
/**
* Canonical Pointcut instance that always matches.
*/
Pointcut TRUE = TruePointcut.INSTANCE;
}
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