// Copyright 2014 The Bazel Authors. 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.
package com.google.devtools.build.lib.clock;

/**
 * Class provides a simple clock implementation used by the tool. By default it uses {@link System}
 * class.
 */
public class JavaClock implements Clock {

  public JavaClock() {
  }

  @Override
  public long currentTimeMillis() {
    return System.currentTimeMillis();
  }

  @Override
  public long nanoTime() {
    // Note that some JVM implementations of System#nanoTime don't yield a non-decreasing
    // sequence of values.
    return System.nanoTime();
  }
}