/*
 * Copyright (c) 2014, 2015, Dynatrace and/or its affiliates. All rights reserved.
 * 
 * This file is part of the Lock Contention Tracing Subsystem for the HotSpot
 * Virtual Machine, which is developed at Christian Doppler Laboratory on
 * Monitoring and Evolution of Very-Large-Scale Software Systems. Please
 * contact us at <http://mevss.jku.at/> if you need additional information
 * or have any questions.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work. If not, see <http://www.gnu.org/licenses/>.
 *
 */ 
package sun.evtracing.parser;

import sun.evtracing.parser.TraceEventType;
import sun.evtracing.processing.TraceEventHandler;

public class SafepointBeginEvent extends TimestampedEvent {

	public static final TraceEventType EVENT_TYPE = TraceEventType.SafepointBegin;

	public static SafepointBeginEvent parse(TraceReader reader, long thread) {
		TraceEventType eventType = reader.readEventType();
		assert eventType == EVENT_TYPE;
		long timestamp = reader.readTimestamp();
		SafepointReason reason = reader.readSafepointReason();
		return new SafepointBeginEvent(thread, timestamp, reason);
	}

	private final SafepointReason reason;

	protected SafepointBeginEvent(long thread, long timestamp, SafepointReason reason) {
		super(thread, timestamp);
		this.reason = reason;
	}

	@Override
	public TraceEventType type() {
		return EVENT_TYPE;
	}

	public SafepointReason reason() {
		return reason;
	}

	@Override
	public void accept(TraceEventHandler handler) {
		handler.safepointBegin(this);
	}
}