| /** |
| * 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.hadoop.metrics2.sink.timeline; |
| |
| import java.io.Serializable; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import javax.xml.bind.annotation.XmlAccessType; |
| import javax.xml.bind.annotation.XmlAccessorType; |
| import javax.xml.bind.annotation.XmlElement; |
| import javax.xml.bind.annotation.XmlRootElement; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| |
| /** |
| * The class that hosts a list of timeline entities. |
| */ |
| @XmlRootElement(name = "metrics") |
| @XmlAccessorType(XmlAccessType.NONE) |
| @InterfaceAudience.Public |
| @InterfaceStability.Unstable |
| public class TimelineMetrics implements Serializable{ |
| |
| private List<TimelineMetric> allMetrics = new ArrayList<TimelineMetric>(); |
| |
| public TimelineMetrics() {} |
| |
| @XmlElement(name = "metrics") |
| public List<TimelineMetric> getMetrics() { |
| return allMetrics; |
| } |
| |
| public void setMetrics(List<TimelineMetric> allMetrics) { |
| this.allMetrics = allMetrics; |
| } |
| |
| private boolean isEqualTimelineMetrics(TimelineMetric metric1, |
| TimelineMetric metric2) { |
| |
| boolean isEqual = true; |
| |
| if (!metric1.getMetricName().equals(metric2.getMetricName())) { |
| return false; |
| } |
| |
| if (metric1.getHostName() != null) { |
| isEqual = metric1.getHostName().equals(metric2.getHostName()); |
| } |
| |
| if (metric1.getAppId() != null) { |
| isEqual = metric1.getAppId().equals(metric2.getAppId()); |
| } |
| |
| return isEqual; |
| } |
| |
| /** |
| * Merge with existing TimelineMetric if everything except startTime is |
| * the same. |
| * @param metric {@link TimelineMetric} |
| */ |
| public void addOrMergeTimelineMetric(TimelineMetric metric) { |
| TimelineMetric metricToMerge = null; |
| |
| if (!allMetrics.isEmpty()) { |
| for (TimelineMetric timelineMetric : allMetrics) { |
| if (timelineMetric.equalsExceptTime(metric)) { |
| metricToMerge = timelineMetric; |
| break; |
| } |
| } |
| } |
| |
| if (metricToMerge != null) { |
| metricToMerge.addMetricValues(metric.getMetricValues()); |
| if (metricToMerge.getStartTime() > metric.getStartTime()) { |
| metricToMerge.setStartTime(metric.getStartTime()); |
| } |
| } else { |
| allMetrics.add(metric); |
| } |
| } |
| |
| // Optimization that addresses too many TreeMaps from getting created. |
| public void addOrMergeTimelineMetric(SingleValuedTimelineMetric metric) { |
| TimelineMetric metricToMerge = null; |
| |
| if (!allMetrics.isEmpty()) { |
| for (TimelineMetric timelineMetric : allMetrics) { |
| if (metric.equalsExceptTime(timelineMetric)) { |
| metricToMerge = timelineMetric; |
| break; |
| } |
| } |
| } |
| |
| if (metricToMerge != null) { |
| metricToMerge.getMetricValues().put(metric.getStartTime(), metric.getValue()); |
| if (metricToMerge.getStartTime() > metric.getStartTime()) { |
| metricToMerge.setStartTime(metric.getStartTime()); |
| } |
| } else { |
| allMetrics.add(metric.getTimelineMetric()); |
| } |
| } |
| } |