com.pivotal.gemfirexd.internal.shared.common.StopWatch Maven / Gradle / Ivy
/*
* Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
*
* 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. See accompanying
* LICENSE file.
*/
package com.pivotal.gemfirexd.internal.shared.common;
/**
* A simple stop watch that can be stopped/started multiple times to record the
* total time elapsed. A new instance is created by
* {@link SharedUtils#newTimer(long)} where the timer is started by default.
*
* @author swale
* @since 7.0
*/
public final class StopWatch {
private long startTime;
private long elapsedTime;
StopWatch(long startTime) {
this.startTime = startTime;
}
public void start() {
this.startTime = System.currentTimeMillis();
}
public void stop() {
this.elapsedTime += (System.currentTimeMillis() - this.startTime);
this.startTime = 0;
}
public long getElapsedMillis() {
return this.elapsedTime;
}
}
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