src/java/org/apache/cassandra/utils/MonotonicClockTranslation.java

/*
 * 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
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 * See the License for the specific language governing permissions and
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 */

package org.apache.cassandra.utils;

public interface MonotonicClockTranslation
{
    /** accepts millis since epoch, returns nanoTime in the related clock */
    public long fromMillisSinceEpoch(long currentTimeMillis);
    /** accepts nanoTime in the related MonotinicClock, returns millis since epoch */
    public long toMillisSinceEpoch(long nanoTime);
    /** Nanoseconds of probable error in the translation */
    public long error();
}