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RotationTimerFactory.java
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RotationTimerFactory.java
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/*
* Copyright (c) 2002-2016 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.kernel.impl.store.kvstore;
import java.time.Clock;
public class RotationTimerFactory
{
private Clock clock;
private long timeoutMillis;
public RotationTimerFactory( Clock clock, long timeoutMillis )
{
this.clock = clock;
this.timeoutMillis = timeoutMillis;
}
public RotationTimer createTimer()
{
long startTime = clock.millis();
return new RotationTimer( startTime, startTime + timeoutMillis );
}
class RotationTimer
{
private long startTime;
private long timeoutTime;
public RotationTimer( long startTime, long timeoutTime )
{
this.startTime = startTime;
this.timeoutTime = timeoutTime;
}
public boolean isTimedOut()
{
return clock.millis() > timeoutTime;
}
public long getElapsedTimeMillis()
{
return clock.millis() - startTime;
}
}
}