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/**
 * Copyright (c) 2009 Pyxis Technologies inc.
 *
 * This is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This software 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA,
 * or see the FSF site: http://www.fsf.org.
 *
 * @author oaouattara
 * @version $Id: $Id
 */
package com.greenpepper;

import java.io.Serializable;
public class TimeStatistics implements Serializable
{
	private static final long serialVersionUID = -1L;

	private long total;
	private long execution;

	/**
	 * Constructor for TimeStatistics.
	 */
	public TimeStatistics()
	{
		this(0, 0);
	}

	/**
	 * Constructor for TimeStatistics.
	 *
	 * @param total a long.
	 * @param execution a long.
	 */
	public TimeStatistics(long total, long execution)
	{
		this.total = total;
		this.execution = execution;
	}

	/**
	 * Getter for the field total.
	 *
	 * @return a long.
	 */
	public long getTotal()
	{
		return total;
	}

	/**
	 * Getter for the field execution.
	 *
	 * @return a long.
	 */
	public long getExecution()
	{
		return execution;
	}

	/**
	 * tally.
	 *
	 * @param other a {@link com.greenpepper.TimeStatistics} object.
	 */
	public void tally(TimeStatistics other)
	{
		tally(other.getTotal(), other.getExecution());
	}

	/**
	 * tally.
	 *
	 * @param total a long.
	 * @param execution a long.
	 */
	public void tally(long total, long execution)
	{
		this.total += total;
		this.execution += execution;
	}

    /** {@inheritDoc} */
    @Override
	public boolean equals(Object o)
	{
		if (this == o) return true;
		if (!(o instanceof TimeStatistics)) return false;

		TimeStatistics that = (TimeStatistics) o;
		return total == that.total && execution == that.execution;
	}

    /** {@inheritDoc} */
    @Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + (int) (execution ^ (execution >>> 32));
		result = prime * result + (int) (total ^ (total >>> 32));
		return result;
	}

    /** {@inheritDoc} */
    @Override
	public String toString()
	{
		return String.format( "total time: %d ms, execution-time: %d ms", getTotal(), getExecution());
	}
}