/* * 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; import org.apache.geode.cache.Cache; import org.apache.geode.internal.cache.xmlcache.CacheXml; import org.apache.geode.internal.cache.xmlcache.XmlGenerator; /** * Interface used for objects wishing to extend and {@link Extensible} object. * * * @since GemFire 8.1 */ public interface Extension<T> { /** * Get {@link XmlGenerator} capable of serializing this object's configuration. * * @return {@link XmlGenerator} for this object's configuration. * @since GemFire 8.1 */ XmlGenerator<T> getXmlGenerator(); /** * Called by {@link CacheXml} objects that are {@link Extensible} before creating this extension. * * @param source source object this extension is currently attached to. * @param cache target object to attach any created extensions to. * @since Geode 1.0.0 */ void beforeCreate(Extensible<T> source, Cache cache); /** * Called by {@link CacheXml} objects that are {@link Extensible} to create this extension. * * @param source source object this extension is currently attached to. * @param target target object to attach any created extensions to. * @since GemFire 8.1 */ void onCreate(Extensible<T> source, Extensible<T> target); }