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}