org.apache.tajo.worker.TaskRunnerHistory.java Source code

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Here is the source code for org.apache.tajo.worker.TaskRunnerHistory.java

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/**
 * 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.tajo.worker;

import com.google.common.base.Objects;
import com.google.common.collect.Maps;
import org.apache.hadoop.service.Service;
import org.apache.tajo.ExecutionBlockId;
import org.apache.tajo.TaskAttemptId;
import org.apache.tajo.common.ProtoObject;
import org.apache.tajo.master.container.TajoContainerId;
import org.apache.tajo.master.container.TajoConverterUtils;

import java.util.Collections;
import java.util.Map;

import static org.apache.tajo.ipc.TajoWorkerProtocol.TaskHistoryProto;
import static org.apache.tajo.ipc.TajoWorkerProtocol.TaskRunnerHistoryProto;

/**
 * The history class for TaskRunner processing.
 */
public class TaskRunnerHistory implements ProtoObject<TaskRunnerHistoryProto> {

    private Service.STATE state;
    private TajoContainerId containerId;
    private long startTime;
    private long finishTime;
    private ExecutionBlockId executionBlockId;
    private Map<TaskAttemptId, TaskHistory> taskHistoryMap = null;

    public TaskRunnerHistory(TajoContainerId containerId, ExecutionBlockId executionBlockId) {
        init();
        this.containerId = containerId;
        this.executionBlockId = executionBlockId;
    }

    public TaskRunnerHistory(TaskRunnerHistoryProto proto) {
        this.state = Service.STATE.valueOf(proto.getState());
        this.containerId = TajoConverterUtils.toTajoContainerId(proto.getContainerId());
        this.startTime = proto.getStartTime();
        this.finishTime = proto.getFinishTime();
        this.executionBlockId = new ExecutionBlockId(proto.getExecutionBlockId());
        this.taskHistoryMap = Maps.newTreeMap();
        for (TaskHistoryProto taskHistoryProto : proto.getTaskHistoriesList()) {
            TaskHistory taskHistory = new TaskHistory(taskHistoryProto);
            taskHistoryMap.put(taskHistory.getTaskAttemptId(), taskHistory);
        }
    }

    private void init() {
        this.taskHistoryMap = Maps.newHashMap();
    }

    public int size() {
        return this.taskHistoryMap.size();
    }

    @Override
    public int hashCode() {
        return Objects.hashCode(containerId, executionBlockId, state, startTime, finishTime, taskHistoryMap.size());
    }

    @Override
    public boolean equals(Object o) {
        if (o instanceof TaskRunnerHistory) {
            TaskRunnerHistory other = (TaskRunnerHistory) o;
            return getProto().equals(other.getProto());
        }
        return false;
    }

    @Override
    public TaskRunnerHistoryProto getProto() {
        TaskRunnerHistoryProto.Builder builder = TaskRunnerHistoryProto.newBuilder();
        builder.setContainerId(containerId.toString());
        builder.setState(state.toString());
        builder.setExecutionBlockId(executionBlockId.getProto());
        builder.setStartTime(startTime);
        builder.setFinishTime(finishTime);
        for (TaskHistory taskHistory : taskHistoryMap.values()) {
            builder.addTaskHistories(taskHistory.getProto());
        }
        return builder.build();
    }

    public long getStartTime() {
        return startTime;
    }

    public void setStartTime(long startTime) {
        this.startTime = startTime;
    }

    public long getFinishTime() {
        return finishTime;
    }

    public void setFinishTime(long finishTime) {
        this.finishTime = finishTime;
    }

    public ExecutionBlockId getExecutionBlockId() {
        return executionBlockId;
    }

    public Service.STATE getState() {
        return state;
    }

    public void setState(Service.STATE state) {
        this.state = state;
    }

    public TajoContainerId getContainerId() {
        return containerId;
    }

    public void setContainerId(TajoContainerId containerId) {
        this.containerId = containerId;
    }

    public TaskHistory getTaskHistory(TaskAttemptId taskAttemptId) {
        return taskHistoryMap.get(taskAttemptId);
    }

    public Map<TaskAttemptId, TaskHistory> getTaskHistoryMap() {
        return Collections.unmodifiableMap(taskHistoryMap);
    }

    public void addTaskHistory(TaskAttemptId taskAttemptId, TaskHistory taskHistory) {
        taskHistoryMap.put(taskAttemptId, taskHistory);
    }
}