/*
 * NOTE: This copyright doesnot cover user programs that use HQ program services
 * by normal system calls through the application program interfaces provided as
 * part of the Hyperic Plug-in Development Kit or the Hyperic Client Development
 * Kit - this is merely considered normal use of the program, and doesnot fall
 * under the heading of "derived work". Copyright (C) [2004, 2005, 2006],
 * Hyperic, Inc. This file is part of HQ. HQ is free software; you can
 * redistribute it and/or modify it under the terms version 2 of the GNU General
 * Public License as published by the Free Software Foundation. This program is
 * distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE. See the GNU General Public License for more details. You
 * should have received a copy of the GNU General Public License along with this
 * program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place, Suite 330, Boston, MA 02111-1307 USA.
 */

/*
 * AbstractEvent.java Created on September 11, 2002, 2:45 PM
 */

package org.hyperic.hq.events;

import java.io.Serializable;

/**
 * Subsystems will extend the abstract Event class to be able to return a
 * specific payload value.
 */
public abstract class AbstractEvent implements Serializable, Cloneable {

    private static final long serialVersionUID = 1300452915258577781L;

    private Long _id;
    private Integer _instanceId;
    private long _timestamp = System.currentTimeMillis();

    public Long getId() {
        return _id;
    }

    public void setId(Long id) {
        _id = id;
    }

    public Integer getInstanceId() {
        return _instanceId;
    }

    public void setInstanceId(Integer instanceId) {
        _instanceId = instanceId;
    }

    public long getTimestamp() {
        return _timestamp;
    }

    public void setTimestamp(long timestamp) {
        _timestamp = timestamp;
    }

    public boolean isLoggingSupported() {
        return this instanceof LoggableInterface;
    }

    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((_id == null) ? 0 : _id.hashCode());
        return result;
    }

    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null || getClass() != obj.getClass()) {
            return false;
        }
        AbstractEvent other = (AbstractEvent) obj;
        if (_id == null) {
            if (other._id != null) {
                return false;
            }
        } else if (!_id.equals(other._id)) {
            return false;
        }
        return true;
    }

}