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/*******************************************************************************
* ============LICENSE_START=======================================================
* org.onap.dmaap
* ================================================================================
* Copyright © 2017 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=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*
*******************************************************************************/
package org.onap.dmaap.mr.client.impl;
public class Clock
{
public synchronized static Clock getIt ()
{
if ( sfClock == null )
{
sfClock = new Clock ();
}
return sfClock;
}
/**
* Get the system's current time in milliseconds.
* @return the current time
*/
public static long now ()
{
return getIt().nowImpl ();
}
/**
* Get current time in milliseconds
* @return current time in ms
*/
protected long nowImpl ()
{
return System.currentTimeMillis ();
}
protected Clock ()
{
}
private static Clock sfClock = null;
protected synchronized static void register ( Clock testClock )
{
sfClock = testClock;
}
}
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