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FakeClock.java
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FakeClock.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.time;
import java.time.Clock;
import java.time.Instant;
import java.time.ZoneId;
import java.time.ZoneOffset;
import java.util.concurrent.TimeUnit;
/**
* A {@link java.time.Clock} that is manually controlled.
*/
public class FakeClock extends Clock
{
private long millis = 0;
@Override
public ZoneId getZone()
{
return ZoneOffset.UTC;
}
@Override
public Clock withZone( ZoneId zone )
{
throw new UnsupportedOperationException();
}
@Override
public Instant instant()
{
return Instant.ofEpochMilli( millis );
}
@Override
public long millis()
{
return millis;
}
public FakeClock forward( long delta, TimeUnit unit )
{
millis += unit.toMillis( delta );
return this;
}
}