| /** |
| * 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 org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.metrics2.host.aggregator.TimelineMetricsHolder; |
| |
| import java.util.Map; |
| |
| public class RawMetricsPublisher extends AbstractMetricPublisher { |
| private final Log LOG; |
| |
| public RawMetricsPublisher(TimelineMetricsHolder timelineMetricsHolder, Configuration configuration, int interval) { |
| super(timelineMetricsHolder, configuration, interval); |
| LOG = LogFactory.getLog(this.getClass()); |
| } |
| |
| |
| @Override |
| protected Map<String, TimelineMetrics> getMetricsFromCache() { |
| return timelineMetricsHolder.extractMetricsForRawPublishing(); |
| } |
| |
| @Override |
| protected String processMetrics(Map<String, TimelineMetrics> metricValues) { |
| //merge everything in one TimelineMetrics object |
| TimelineMetrics timelineMetrics = new TimelineMetrics(); |
| for (TimelineMetrics metrics : metricValues.values()) { |
| for (TimelineMetric timelineMetric : metrics.getMetrics()) |
| timelineMetrics.addOrMergeTimelineMetric(timelineMetric); |
| } |
| //map TimelineMetrics to json string |
| String json = null; |
| try { |
| json = mapper.writeValueAsString(timelineMetrics); |
| LOG.debug(json); |
| } catch (Exception e) { |
| LOG.error("Failed to convert result into json", e); |
| } |
| return json; |
| } |
| |
| @Override |
| protected String getPostUrl() { |
| return BASE_POST_URL; |
| } |
| } |