/* =========================================================================================
 * Copyright © 2013-2017 the kamon project <http://kamon.io/>
 *
 * 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 kamon.util

object Clock {
  private val startTimeMillis = System.currentTimeMillis()
  private val startNanoTime = System.nanoTime()
  private val startMicroTime = startTimeMillis * 1000L

  def microTimestamp(): Long =
    startMicroTime + ((System.nanoTime() - startNanoTime) / 1000L)

  def milliTimestamp(): Long =
    System.currentTimeMillis()

  def relativeNanoTimestamp(): Long =
    System.nanoTime()
}