mirror of https://github.com/apache/cassandra
55 lines
1.6 KiB
Java
55 lines
1.6 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.cassandra.utils;
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import java.util.concurrent.TimeUnit;
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import com.google.common.util.concurrent.Uninterruptibles;
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/**
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* Time source backed by JVM clock.
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*/
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public class SystemTimeSource implements TimeSource
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{
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@Override
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public long currentTimeMillis()
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{
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return System.currentTimeMillis();
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}
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@Override
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public long nanoTime()
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{
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return System.nanoTime();
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}
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@Override
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public TimeSource sleepUninterruptibly(long sleepFor, TimeUnit unit)
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{
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Uninterruptibles.sleepUninterruptibly(sleepFor, unit);
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return this;
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}
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@Override
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public TimeSource sleep(long sleepFor, TimeUnit unit) throws InterruptedException
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{
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TimeUnit.NANOSECONDS.sleep(TimeUnit.NANOSECONDS.convert(sleepFor, unit));
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return this;
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}
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}
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