| /** |
| * Copyright 2010 The Apache Software Foundation |
| * |
| * 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.hadoop.hbase.ipc; |
| |
| import org.apache.hadoop.ipc.VersionedProtocol; |
| |
| /** |
| * There is one version id for all the RPC interfaces. If any interface |
| * is changed, the versionID must be changed here. |
| */ |
| public interface HBaseRPCProtocolVersion extends VersionedProtocol { |
| /** |
| * Interface version. |
| * |
| * HMasterInterface version history: |
| * <ul> |
| * <li>Version was incremented to 2 when we brought the hadoop RPC local to |
| * hbase HADOOP-2495</li> |
| * <li>Version was incremented to 3 when we changed the RPC to send codes |
| * instead of actual class names (HADOOP-2519).</li> |
| * <li>Version 4 when we moved to all byte arrays (HBASE-42).</li> |
| * <li>Version 5 HBASE-576.</li> |
| * <li>Version 6 modifyTable.</li> |
| * </ul> |
| * <p>HMasterRegionInterface version history: |
| * <ul> |
| * <li>Version 2 was when the regionServerStartup was changed to return a |
| * MapWritable instead of a HbaseMapWritable as part of HBASE-82 changes.</li> |
| * <li>Version 3 was when HMsg was refactored so it could carry optional |
| * messages (HBASE-504).</li> |
| * <li>HBASE-576 we moved this to 4.</li> |
| * </ul> |
| * <p>HRegionInterface version history: |
| * <ul> |
| * <li>Upped to 5 when we added scanner caching</li> |
| * <li>HBASE-576, we moved this to 6.</li> |
| * </ul> |
| * <p>TransactionalRegionInterface version history: |
| * <ul> |
| * <li>Moved to 2 for hbase-576.</li> |
| * </ul> |
| * <p>Unified RPC version number history: |
| * <ul> |
| * <li>Version 10: initial version (had to be > all other RPC versions</li> |
| * <li>Version 11: Changed getClosestRowBefore signature.</li> |
| * <li>Version 12: HServerLoad extensions (HBASE-1018).</li> |
| * <li>Version 13: HBASE-847</li> |
| * <li>Version 14: HBASE-900</li> |
| * <li>Version 15: HRegionInterface.exists</li> |
| * <li>Version 16: Removed HMasterRegionInterface.getRootRegionLocation and |
| * HMasterInterface.findRootRegion. We use ZooKeeper to store root region |
| * location instead.</li> |
| * <li>Version 17: Added incrementColumnValue.</li> |
| * <li>Version 18: HBASE-1302.</li> |
| * <li>Version 19: Added getClusterStatus().</li> |
| * <li>Version 20: Backed Transaction HBase out of HBase core.</li> |
| * <li>Version 21: HBASE-1665.</li> |
| * <li>Version 22: HBASE-2209. Added List support to RPC</li> |
| * <li>Version 23: HBASE-2066, multi-put.</li> |
| * <li>Version 24: HBASE-2473, create table with regions.</li> |
| * <li>Version 25: Added openRegion and Stoppable/Abortable to API.</li> |
| * <li>Version 26: New master and Increment, 0.90 version bump.</li> |
| * <li>Version 27: HBASE-3168, Added serverCurrentTime to regionServerStartup |
| * in HMasterRegionInterface.</li> |
| * </ul> |
| */ |
| public static final long versionID = 27L; |
| } |
