/* * 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.cache.persistence; import java.net.InetAddress; import java.util.UUID; import org.apache.geode.DataSerializable; import org.apache.geode.admin.AdminDistributedSystem; import org.apache.geode.cache.DataPolicy; /** * A pattern describing a single member's a set of persistent files for a region. When a member has * a region defined with the a data policy of {@link DataPolicy#PERSISTENT_REPLICATE}, that members * persistent files are assigned a unique ID. After a failure of all members, during recovery, the * persistent members will wait for all persistent copies of the region to be recovered before * completing region initialization. * * This pattern describes what unique ids the currently recovering persistent members are waiting * for. See {@link AdminDistributedSystem#getMissingPersistentMembers()} * * @since GemFire 6.5 * */ public interface PersistentID extends DataSerializable { /** * The host on which the persistent data was last residing */ public abstract InetAddress getHost(); /** * The directory which the persistent data was last residing in. */ public abstract String getDirectory(); /** * The unique identifier for the persistent data. * * @since GemFire 7.0 */ public abstract UUID getUUID(); }