/*
* Copyright (c) 2008-2013, Hazelcast, Inc. All Rights Reserved.
*
* 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 com.hazelcast.mapreduce.impl.client;
import com.hazelcast.client.ClientEndpoint;
import com.hazelcast.client.InvocationClientRequest;
import com.hazelcast.mapreduce.JobProcessInformation;
import com.hazelcast.mapreduce.impl.MapReducePortableHook;
import com.hazelcast.mapreduce.impl.MapReduceService;
import com.hazelcast.mapreduce.impl.task.JobSupervisor;
import com.hazelcast.mapreduce.impl.task.TransferableJobProcessInformation;
import com.hazelcast.nio.serialization.PortableReader;
import com.hazelcast.nio.serialization.PortableWriter;
import java.io.IOException;
import java.security.Permission;
/**
* This class is used to retrieve current processed records and other statistics from
* emitting client to the job owning node.
*/
public class ClientJobProcessInformationRequest extends InvocationClientRequest {
private String name;
private String jobId;
public ClientJobProcessInformationRequest() {
}
public ClientJobProcessInformationRequest(String name, String jobId) {
this.name = name;
this.jobId = jobId;
}
@Override
public String getServiceName() {
return MapReduceService.SERVICE_NAME;
}
@Override
protected void invoke() {
final ClientEndpoint endpoint = getEndpoint();
MapReduceService mapReduceService = getService();
JobSupervisor supervisor = mapReduceService.getJobSupervisor(name, jobId);
JobProcessInformation processInformation = null;
if (supervisor != null && supervisor.getJobProcessInformation() != null) {
JobProcessInformation current = supervisor.getJobProcessInformation();
processInformation = new TransferableJobProcessInformation(current.getPartitionStates(),
current.getProcessedRecords());
}
endpoint.sendResponse(processInformation, getCallId());
}
@Override
public void write(PortableWriter writer)
throws IOException {
super.write(writer);
writer.writeUTF("name", name);
writer.writeUTF("jobId", jobId);
}
@Override
public void read(PortableReader reader)
throws IOException {
super.read(reader);
name = reader.readUTF("name");
jobId = reader.readUTF("jobId");
}
@Override
public int getFactoryId() {
return MapReducePortableHook.F_ID;
}
@Override
public int getClassId() {
return MapReducePortableHook.CLIENT_JOB_PROCESS_INFO_REQUEST;
}
@Override
public Permission getRequiredPermission() {
return null;
}
}