/* * Licensed to the Apache Software Foundation (ASF) under one or more contributor license * agreements. See the NOTICE file distributed with this work for additional information regarding * copyright ownership. The ASF licenses this file to You 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.apache.geode.internal.cache.extension; /** * Allows {@link Extensible} objects to add and remove {@link Extension}s. * * * @since GemFire 8.1 */ public interface ExtensionPoint<T> { /** * Add {@link Extension} to {@link ExtensionPoint}. * * @param extension to add. * @since GemFire 8.1 */ void addExtension(Extension<T> extension); /** * Remove {@link Extension} from {@link ExtensionPoint}. * * @param extension to remove. * @since GemFire 8.1 */ void removeExtension(Extension<T> extension); /** * Get {@link Iterable} of {@link Extension}s. * * @return {@link Exception}s * @since GemFire 8.1 */ Iterable<Extension<T>> getExtensions(); /** * Helper method to get appropriately typed access to target {@link Extensible} object. * * @return {@link Extensible} object target. * * @since GemFire 8.1 */ T getTarget(); }