/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.jmeter.timers;
import org.apache.jmeter.threads.JMeterContextService;
import org.apache.jmeter.threads.JMeterThread;
/**
* Manages logic related to timers and pauses
* @since 3.2
*/
public class TimerService {
private TimerService() {
super();
}
/**
* Initialization On Demand Holder pattern
*/
private static class TimerServiceHolder {
public static final TimerService INSTANCE = new TimerService();
}
/**
* @return ScriptEngineManager singleton
*/
public static TimerService getInstance() {
return TimerServiceHolder.INSTANCE;
}
/**
* Adjust delay so that initialDelay does not exceed end of test
* @param initialDelay initial delay in millis
* @return initialDelay or adjusted delay
*/
public long adjustDelay(final long initialDelay) {
JMeterThread thread = JMeterContextService.getContext().getThread();
long endTime = thread != null ? thread.getEndTime() : 0;
return adjustDelay(initialDelay, endTime);
}
/**
* Adjust delay so that initialDelay does not exceed end of test
* @param initialDelay initial delay in millis
* @param endTime End time of JMeterThread
* @return initialDelay or adjusted delay
*/
public long adjustDelay(final long initialDelay, long endTime) {
if (endTime > 0) {
long now = System.currentTimeMillis();
if(now + initialDelay > endTime) {
return endTime - now;
}
}
return initialDelay;
}
}