/*
 * 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.api.dataset;

import java.io.Serializable;

import edu.uci.ics.hyracks.api.comm.NetworkAddress;

public class DatasetDirectoryRecord implements Serializable {
    public enum Status {
        IDLE,
        RUNNING,
        SUCCESS,
        FAILED
    }

    private static final long serialVersionUID = 1L;

    private NetworkAddress address;

    private boolean readEOS;

    private Status status;

    public DatasetDirectoryRecord() {
        this.address = null;
        this.readEOS = false;
        this.status = Status.IDLE;
    }

    public void setNetworkAddress(NetworkAddress address) {
        this.address = address;
    }

    public NetworkAddress getNetworkAddress() {
        return address;
    }

    public void readEOS() {
        this.readEOS = true;
    }

    public boolean hasReachedReadEOS() {
        return readEOS;
    }

    public void start() {
        status = Status.RUNNING;
    }

    public void writeEOS() {
        status = Status.SUCCESS;
    }

    public void fail() {
        status = Status.FAILED;
    }

    public Status getStatus() {
        return status;
    }

    @Override
    public boolean equals(Object o) {
        if (o == this) {
            return true;
        }
        if (!(o instanceof DatasetDirectoryRecord)) {
            return false;
        }
        return address.equals(((DatasetDirectoryRecord) o).address);
    }
}