/*
    * 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 org.apache.giraph.metrics;
  
  import com.google.common.collect.ImmutableMap;
  
  import java.util.concurrent.TimeUnit;
  
  /**
   * Pair of long,TimeUnit
   */
  public class LongAndTimeUnit {
    /** Mapping from TimeUnit to abbreviation used for printing */
    private static final ImmutableMap<TimeUnit, String> TIME_UNIT_TO_ABBREV =
        ImmutableMap.<TimeUnit, String>builder().
            put(TimeUnit.DAYS, "days").
            put(TimeUnit.HOURS, "hours").
            put(TimeUnit.MICROSECONDS, "us").
            put(TimeUnit.MILLISECONDS, "ms").
            put(TimeUnit.MINUTES, "mins").
            put(TimeUnit.NANOSECONDS, "ns").
            put(TimeUnit.SECONDS, "secs").build();
  
    /** value held */
    private long value;
    /** TimeUnit part */
    private TimeUnit timeUnit;
  
    @Override
    public String toString() {
      if (timeUnit == null) {
        return String.valueOf(value);
      } else {
        return value + " " + TIME_UNIT_TO_ABBREV.get(timeUnit);
      }
    }
  
    /**
     * Get the value
     *
     * @return value
     */
    public long getValue() {
      return value;
    }
  
    /**
     * Set the value
     *
     * @param value to set
     */
    public void setValue(long value) {
      this.value = value;
    }
  
    /**
     * Get the TimeUnit
     *
     * @return TimeUnit
     */
    public TimeUnit getTimeUnit() {
      return timeUnit;
    }
  
    /**
     * Set the TimeUnit
     * @param timeUnit to set
     */
    public void setTimeUnit(TimeUnit timeUnit) {
      this.timeUnit = timeUnit;
    }
  }