KillJobAction.java

/**
 * 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 com.chinamobile.bcbsp.action;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;

import org.apache.hadoop.io.Text;

/**
 * KillJobAction
 * 
 * Represents a directive from the
 * {@link com.chinamobile.bcbsp.bsp.BSPController} to the
 * {@link com.chinamobile.bcbsp.bsp.WorkerManager} to kill the staff of a job and
 * cleanup resources.
 * 
 * @author
 * @version
 */
class KillJobAction extends WorkerManagerAction {
    String jobId;

    public KillJobAction() {
        super(ActionType.KILL_JOB);
        jobId = new String();
    }

    public KillJobAction(String killJobId) {
        super(ActionType.KILL_JOB);
        this.jobId = killJobId;
    }

    public String getJobID() {
        return jobId;
    }

    @Override
    public void write(DataOutput out) throws IOException {
        Text.writeString(out, jobId);
    }

    @Override
    public void readFields(DataInput in) throws IOException {
        jobId = Text.readString(in);
    }
}