| /** |
| * 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.hcatalog.hbase.snapshot; |
| |
| import java.io.IOException; |
| import java.util.List; |
| |
| import org.apache.hadoop.conf.Configurable; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.HConstants; |
| import org.apache.hadoop.hbase.client.HTable; |
| import org.apache.hadoop.hbase.util.Bytes; |
| |
| /** |
| * This class is nothing but a delegate for the enclosed proxy, |
| * which is created upon setting the configuration. |
| */ |
| public class RevisionManagerEndpointClient implements RevisionManager, Configurable { |
| |
| private Configuration conf = null; |
| private RevisionManager rmProxy; |
| |
| @Override |
| public Configuration getConf() { |
| return this.conf; |
| } |
| |
| @Override |
| public void setConf(Configuration arg0) { |
| this.conf = arg0; |
| } |
| |
| @Override |
| public void initialize(Configuration conf) { |
| // do nothing |
| } |
| |
| @Override |
| public void open() throws IOException { |
| // clone to adjust RPC settings unique to proxy |
| Configuration clonedConf = new Configuration(conf); |
| // conf.set("hbase.ipc.client.connect.max.retries", "0"); |
| // conf.setInt(HConstants.HBASE_CLIENT_RPC_MAXATTEMPTS, 1); |
| clonedConf.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 1); // do not retry RPC |
| HTable table = new HTable(clonedConf, HConstants.ROOT_TABLE_NAME); |
| rmProxy = table.coprocessorProxy(RevisionManagerProtocol.class, |
| Bytes.toBytes("anyRow")); |
| rmProxy.open(); |
| } |
| |
| @Override |
| public void close() throws IOException { |
| rmProxy.close(); |
| } |
| |
| @Override |
| public void createTable(String table, List<String> columnFamilies) throws IOException { |
| rmProxy.createTable(table, columnFamilies); |
| } |
| |
| @Override |
| public void dropTable(String table) throws IOException { |
| rmProxy.dropTable(table); |
| } |
| |
| @Override |
| public Transaction beginWriteTransaction(String table, List<String> families) throws IOException { |
| return rmProxy.beginWriteTransaction(table, families); |
| } |
| |
| @Override |
| public Transaction beginWriteTransaction(String table, List<String> families, long keepAlive) |
| throws IOException { |
| return rmProxy.beginWriteTransaction(table, families, keepAlive); |
| } |
| |
| @Override |
| public void commitWriteTransaction(Transaction transaction) throws IOException { |
| rmProxy.commitWriteTransaction(transaction); |
| } |
| |
| @Override |
| public void abortWriteTransaction(Transaction transaction) throws IOException { |
| rmProxy.abortWriteTransaction(transaction); |
| } |
| |
| @Override |
| public List<FamilyRevision> getAbortedWriteTransactions(String table, String columnFamily) |
| throws IOException { |
| return rmProxy.getAbortedWriteTransactions(table, columnFamily); |
| } |
| |
| @Override |
| public TableSnapshot createSnapshot(String tableName) throws IOException { |
| return rmProxy.createSnapshot(tableName); |
| } |
| |
| @Override |
| public TableSnapshot createSnapshot(String tableName, long revision) throws IOException { |
| return rmProxy.createSnapshot(tableName, revision); |
| } |
| |
| @Override |
| public void keepAlive(Transaction transaction) throws IOException { |
| rmProxy.keepAlive(transaction); |
| } |
| |
| } |