| /** |
| * 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.apex.malhar.contrib.hbase; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.HColumnDescriptor; |
| import org.apache.hadoop.hbase.HTableDescriptor; |
| import org.apache.hadoop.hbase.MasterNotRunningException; |
| import org.apache.hadoop.hbase.ZooKeeperConnectionException; |
| import org.apache.hadoop.hbase.client.HBaseAdmin; |
| |
| public class HBaseUtil |
| { |
| public static void createTable(Configuration configuration, String tableName ) throws MasterNotRunningException, ZooKeeperConnectionException, IOException |
| { |
| HBaseAdmin admin = null; |
| try { |
| admin = new HBaseAdmin( configuration ); |
| |
| if (!admin.isTableAvailable(tableName) ) { |
| HTableDescriptor tableDescriptor = new HTableDescriptor(tableName); |
| tableDescriptor.addFamily(new HColumnDescriptor("f0")); |
| tableDescriptor.addFamily(new HColumnDescriptor("f1")); |
| |
| admin.createTable(tableDescriptor); |
| } |
| } finally { |
| if (admin != null) { |
| admin.close(); |
| } |
| } |
| } |
| |
| public static void deleteTable( Configuration configuration, String tableName ) throws MasterNotRunningException, ZooKeeperConnectionException, IOException |
| { |
| HBaseAdmin admin = null; |
| try { |
| admin = new HBaseAdmin( configuration ); |
| if ( admin.isTableAvailable(tableName) ) { |
| admin.disableTable(tableName); |
| admin.deleteTable( tableName ); |
| } |
| } finally { |
| if (admin != null) { |
| admin.close(); |
| } |
| } |
| } |
| } |