/**
* Copyright 2007 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.shell;
import java.io.IOException;
import java.io.Writer;
import java.util.List;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.HBaseAdmin;
import org.apache.hadoop.io.Text;
/**
* Drops tables.
*/
public class DropCommand extends BasicCommand {
private List<String> tableList;
public DropCommand(Writer o) {
super(o);
}
public ReturnMsg execute(Configuration conf) {
if (tableList == null) {
throw new IllegalArgumentException("List of tables is null");
}
try {
HBaseAdmin admin = new HBaseAdmin(conf);
for (String table : tableList) {
println("Dropping " + table + "... Please wait.");
admin.deleteTable(new Text(table));
}
return new ReturnMsg(1, "Table(s) dropped successfully.");
} catch (IOException e) {
return new ReturnMsg(0, extractErrMsg(e));
}
}
public void setTableList(List<String> tableList) {
this.tableList = tableList;
}
@Override
public CommandType getCommandType() {
return CommandType.DDL;
}
}