/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*
* ident "%Z%%M% %I% %E% SMI"
*/
package org.opensolaris.os.dtrace;
import java.util.EventObject;
/**
* An event indicating a state change in a DTrace {@link Consumer}.
*
* @see ConsumerListener
*
* @author Tom Erickson
*/
public class ConsumerEvent extends EventObject {
static final long serialVersionUID = 1659441401142401810L;
/** @serial */
private long timestamp;
/**
* Creates a consumer event with the given source {@link Consumer}
* and nanosecond timestamp.
*
* @param source the {@link Consumer} that is the source of the
* event
* @param timeNanos nanosecond timestamp of this event
*/
public
ConsumerEvent(Object source, long timeNanos)
{
super(source);
timestamp = timeNanos;
}
/**
* Gets the nanosecond timestamp of this event.
*
* @return nanosecond timestamp of the event on the system where the
* consumer opened a native DTrace library handle
*/
public long
getTimestamp()
{
return timestamp;
}
}