001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018package org.apache.hadoop.hbase; 019 020import java.io.IOException; 021import java.util.concurrent.ExecutorService; 022import org.apache.hadoop.conf.Configuration; 023import org.apache.hadoop.hbase.client.Admin; 024import org.apache.hadoop.hbase.client.BufferedMutator; 025import org.apache.hadoop.hbase.client.BufferedMutatorParams; 026import org.apache.hadoop.hbase.client.Connection; 027import org.apache.hadoop.hbase.client.Hbck; 028import org.apache.hadoop.hbase.client.RegionLocator; 029import org.apache.hadoop.hbase.client.TableBuilder; 030import org.apache.yetus.audience.InterfaceAudience; 031 032/** 033 * Wraps a Connection to make it can't be closed or aborted. 034 */ 035@InterfaceAudience.Private 036public class SharedConnection implements Connection { 037 038 private final Connection conn; 039 040 public SharedConnection(Connection conn) { 041 this.conn = conn; 042 } 043 044 @Override 045 public void close() throws IOException { 046 throw new UnsupportedOperationException("Shared connection"); 047 } 048 049 @Override 050 public boolean isClosed() { 051 return this.conn.isClosed(); 052 } 053 054 @Override 055 public void abort(String why, Throwable e) { 056 throw new UnsupportedOperationException("Shared connection"); 057 } 058 059 @Override 060 public boolean isAborted() { 061 return this.conn.isAborted(); 062 } 063 064 @Override 065 public Configuration getConfiguration() { 066 return this.conn.getConfiguration(); 067 } 068 069 @Override 070 public BufferedMutator getBufferedMutator(TableName tableName) throws IOException { 071 return this.conn.getBufferedMutator(tableName); 072 } 073 074 @Override 075 public BufferedMutator getBufferedMutator(BufferedMutatorParams params) throws IOException { 076 return this.conn.getBufferedMutator(params); 077 } 078 079 @Override 080 public RegionLocator getRegionLocator(TableName tableName) throws IOException { 081 return this.conn.getRegionLocator(tableName); 082 } 083 084 @Override 085 public Admin getAdmin() throws IOException { 086 return this.conn.getAdmin(); 087 } 088 089 @Override 090 public TableBuilder getTableBuilder(TableName tableName, ExecutorService pool) { 091 return this.conn.getTableBuilder(tableName, pool); 092 } 093 094 @Override 095 public void clearRegionLocationCache() { 096 conn.clearRegionLocationCache(); 097 } 098 099 @Override 100 public Hbck getHbck() throws IOException { 101 return conn.getHbck(); 102 } 103 104 @Override 105 public Hbck getHbck(ServerName masterServer) throws IOException { 106 return conn.getHbck(masterServer); 107 } 108 109 @Override 110 public String getClusterId() { 111 return conn.getClusterId(); 112 } 113}