Java tutorial
/* * 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; /** * 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}) */ ClassFilter getClassFilter(); /** * Return the MethodMatcher for this pointcut. * @return the MethodMatcher (never {@code null}) */ MethodMatcher getMethodMatcher(); /** * Canonical Pointcut instance that always matches. */ Pointcut TRUE = TruePointcut.INSTANCE; }