/*
* Copyright 2011 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.lealone.cassandra.command.ddl;
import org.apache.cassandra.exceptions.ConfigurationException;
import org.apache.cassandra.service.MigrationManager;
import org.lealone.cassandra.command.CommandConstants;
import org.lealone.command.ddl.DefineCommand;
import org.lealone.dbobject.User;
import org.lealone.engine.Session;
import org.lealone.message.DbException;
public class DropKeyspace extends DefineCommand {
private String keyspaceName;
private boolean ifExists;
public DropKeyspace(Session session) {
super(session);
}
public void setIfExists(boolean ifExists) {
this.ifExists = ifExists;
}
public void setKeyspaceName(String keyspaceName) {
this.keyspaceName = keyspaceName;
}
@Override
public int getType() {
return CommandConstants.DROP_KEYSPACE;
}
@Override
public int update() {
session.getUser().checkAdmin();
session.commit(true);
User user = session.getUser();
user.checkAdmin();
try {
MigrationManager.announceKeyspaceDrop(keyspaceName, false);
} catch (ConfigurationException e) {
if (!ifExists)
throw DbException.convert(e);
} catch (Exception e) {
throw DbException.convert(e);
}
return 0;
}
}