/*
 * Copyright 2009-2010 by The Regents of the University of California
 * 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 from
 * 
 *     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 edu.uci.ics.hyracks.control.cc.job;

import java.util.Map;

import edu.uci.ics.hyracks.api.dataflow.TaskId;

public class TaskClusterAttempt {
    public enum TaskClusterStatus {
        RUNNING,
        COMPLETED,
        FAILED,
        ABORTED,
    }

    private final TaskCluster taskCluster;

    private final int attempt;

    private Map<TaskId, TaskAttempt> taskAttempts;

    private TaskClusterStatus status;

    private int pendingTaskCounter;

    private long startTime;

    private long endTime;

    public TaskClusterAttempt(TaskCluster taskCluster, int attempt) {
        this.taskCluster = taskCluster;
        this.attempt = attempt;
        startTime = -1;
        endTime = -1;
    }

    public TaskCluster getTaskCluster() {
        return taskCluster;
    }

    public void setTaskAttempts(Map<TaskId, TaskAttempt> taskAttempts) {
        this.taskAttempts = taskAttempts;
    }

    public Map<TaskId, TaskAttempt> getTaskAttempts() {
        return taskAttempts;
    }

    public int getAttempt() {
        return attempt;
    }

    public void setStatus(TaskClusterStatus status) {
        this.status = status;
    }

    public TaskClusterStatus getStatus() {
        return status;
    }

    public long getStartTime() {
        return startTime;
    }

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

    public long getEndTime() {
        return endTime;
    }

    public void setEndTime(long endTime) {
        this.endTime = endTime;
    }

    public void initializePendingTaskCounter() {
        pendingTaskCounter = taskAttempts.size();
    }

    public int getPendingTaskCounter() {
        return pendingTaskCounter;
    }

    public int decrementPendingTasksCounter() {
        return --pendingTaskCounter;
    }
}