/*
* Copyright 2011 Future Systems
*
* Licensed 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.krakenapps.logdb.query.command;
import org.krakenapps.logdb.LogQueryCommand;
public class Rename extends LogQueryCommand {
private String from;
private String to;
public Rename(String from, String to) {
this.from = from;
this.to = to;
}
@Override
public void push(LogMap m) {
if (m.containsKey(from)) {
m.put(to, m.get(from));
m.remove(from);
}
write(m);
}
@Override
public boolean isReducer() {
return false;
}
}