content: /*
   * 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.ambari.server.controller.metrics.timeline.cache;
  
  import java.util.Date;
  
  import org.apache.hadoop.metrics2.sink.timeline.Precision;
  import org.apache.hadoop.metrics2.sink.timeline.TimelineMetric;
  import org.apache.hadoop.metrics2.sink.timeline.TimelineMetrics;
  
  /**
   * Wrapper object for metrics returned from AMS that includes the query time
   * window.
   */
  public class TimelineMetricsCacheValue {
    private Long startTime;
    private Long endTime;
    // Same metrics could be requested across hosts
    private TimelineMetrics timelineMetrics = new TimelineMetrics();
    private Precision precision;
  
    public TimelineMetricsCacheValue(Long startTime, Long endTime, TimelineMetrics timelineMetrics, Precision precision) {
      this.startTime = startTime;
      this.endTime = endTime;
      this.timelineMetrics = timelineMetrics;
      this.precision = precision;
    }
  
    public TimelineMetrics getTimelineMetrics() {
      return timelineMetrics;
    }
  
    /**
     * Map of metricName to metric values. Works on the assumption that metric
     * name is unique
     */
    public void setTimelineMetrics(TimelineMetrics timelineMetrics) {
      this.timelineMetrics = timelineMetrics;
    }
  
    public Long getStartTime() {
      return startTime;
    }
  
    public void setStartTime(Long startTime) {
      this.startTime = startTime;
    }
  
    public Long getEndTime() {
      return endTime;
    }
  
    public void setEndTime(Long endTime) {
      this.endTime = endTime;
    }
  
    private long getMillisecondsTime(long time) {
      if (time < 9999999999l) {
        return time * 1000;
      } else {
        return time;
      }
    }
  
    @Override
    public String toString() {
      StringBuilder sb = new StringBuilder("TimelineMetricsCacheValue {" +
        ", startTime = " + new Date(getMillisecondsTime(startTime)) +
        ", endTime = " + new Date(getMillisecondsTime(endTime)) +
        ", precision = " + precision +
        ", timelineMetrics =");
  
      for (TimelineMetric metric : timelineMetrics.getMetrics()) {
        sb.append(" { ");
        sb.append(metric.getMetricName());
        sb.append(", ");
        sb.append(metric.getHostName());
        sb.append(" # ");
        sb.append(metric.getMetricValues().size());
        sb.append(" }");
      }
  
      sb.append("}");
      return sb.toString();
    }
  
    public Precision getPrecision() {
      return precision;
    }
  
    public void setPrecision(Precision precision) {
      this.precision = precision;
    }
  }
  