001/* 002 * Copyright 2002-2012 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.aop.framework.adapter; 018 019/** 020 * Singleton to publish a shared DefaultAdvisorAdapterRegistry instance. 021 * 022 * @author Rod Johnson 023 * @author Juergen Hoeller 024 * @author Phillip Webb 025 * @see DefaultAdvisorAdapterRegistry 026 */ 027public abstract class GlobalAdvisorAdapterRegistry { 028 029 /** 030 * Keep track of a single instance so we can return it to classes that request it. 031 */ 032 private static AdvisorAdapterRegistry instance = new DefaultAdvisorAdapterRegistry(); 033 034 /** 035 * Return the singleton {@link DefaultAdvisorAdapterRegistry} instance. 036 */ 037 public static AdvisorAdapterRegistry getInstance() { 038 return instance; 039 } 040 041 /** 042 * Reset the singleton {@link DefaultAdvisorAdapterRegistry}, removing any 043 * {@link AdvisorAdapterRegistry#registerAdvisorAdapter(AdvisorAdapter) registered} 044 * adapters. 045 */ 046 static void reset() { 047 instance = new DefaultAdvisorAdapterRegistry(); 048 } 049 050}