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/*-
* ============LICENSE_START=======================================================
* org.onap.dmaap
* ================================================================================
* Copyright (C) 2019 AT&T Intellectual Property. 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.
* ============LICENSE_END=========================================================
*/
package org.onap.dmaap.dbcapi.service;
import static com.att.eelf.configuration.Configuration.MDC_BEGIN_TIMESTAMP;
import static com.att.eelf.configuration.Configuration.MDC_ELAPSED_TIME;
import static com.att.eelf.configuration.Configuration.MDC_END_TIMESTAMP;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;
import org.slf4j.MDC;
public class StopWatch {
private static final String ISO_FORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSSZ";
private final static SimpleDateFormat isoFormatter = new SimpleDateFormat(ISO_FORMAT);
private final static TimeZone utc = TimeZone.getTimeZone("UTC");
private long startTimestamp;
private long elapsedTime;
static {
isoFormatter.setTimeZone(utc);
}
public void start() {
startTimestamp = System.currentTimeMillis();
MDC.put(MDC_BEGIN_TIMESTAMP, isoFormatter.format(new Date(startTimestamp)));
}
public void stop() {
long endTimestamp = System.currentTimeMillis();
elapsedTime = endTimestamp - startTimestamp;
MDC.put(MDC_END_TIMESTAMP, isoFormatter.format(new Date(endTimestamp)));
MDC.put(MDC_ELAPSED_TIME, String.valueOf(elapsedTime));
}
public void resetElapsedTime() {
elapsedTime = 0;
}
public long getElapsedTime() {
return elapsedTime;
}
}
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