HighResolutionTimerEmulation.java

/*
 * © Copyright IBM Corp. 2012-2013
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at:
 * 
 * http://www.apache.org/licenses/LICENSE-2.0 
 * 
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS, 
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 
 * implied. See the License for the specific language governing 
 * permissions and limitations under the License.
 */

package com.ibm.commons.util.profiler;


/**
 * Emulate a timer with an intended resolution of 1 ms. This timer is
 * used if the real high resolution timer is not available. It is
 * based upon Java's System class.
 * @ibm-not-published 
 */
public class HighResolutionTimerEmulation implements HighResolutionTimer {

    /**
     * Get the counter mode.
     */
    public int getTimerMode() {
        return WALL_TIME_COUNTER;
    }

    /**
     * Get the mesured time in microseconds.
     */
    public long getTime() {
        return System.nanoTime()/1000L;
    }
}