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Complex event processing and event series analysis component

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/*
 ***************************************************************************************
 *  Copyright (C) 2006 EsperTech, Inc. All rights reserved.                            *
 *  http://www.espertech.com/esper                                                     *
 *  http://www.espertech.com                                                           *
 *  ---------------------------------------------------------------------------------- *
 *  The software in this package is published under the terms of the GPL license       *
 *  a copy of which has been included with this distribution in the license.txt file.  *
 ***************************************************************************************
 */
package com.espertech.esper.timer;

/**
 * Allow for different strategies for getting VM (wall clock) time.
 * See JIRA issue ESPER-191 Support nano/microsecond resolution for more
 * information on Java system time-call performance, accuracy and drift.
 */
public interface TimeSourceService {
    /**
     * Returns time in millis.
     *
     * @return time in millis
     */
    public long getTimeMillis();
}