com.sumologic.shellbase.timeutil.TimedBlock.scala Maven / Gradle / Ivy

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/**
 * 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 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.sumologic.shellbase.timeutil

object TimedBlock {

  private def now = System.currentTimeMillis()

  def apply[T](name: String, printer: String => Unit = println(_))(func: => T) = {

    val start = now

    def timeTaken = TimeFormats.formatWithMillis(now - start)

    printer(s"START $name")
    try {
      val res = func
      printer(s"DONE  $name (took: $timeTaken)")
      res
    } catch {
      case e: Exception => {
        printer(s"FAIL  $name (after: $timeTaken)")
        throw e
      }
    }
  }
}