| /* |
| * 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.chukwa.extraction.demux.processor.mapper; |
| |
| import java.util.Map.Entry; |
| |
| import org.apache.hadoop.chukwa.extraction.engine.ChukwaRecord; |
| import org.apache.hadoop.chukwa.extraction.engine.ChukwaRecordKey; |
| import org.apache.hadoop.chukwa.inputtools.jplugin.ChukwaMetrics; |
| import org.apache.hadoop.chukwa.inputtools.jplugin.GenericChukwaMetricsList; |
| import org.apache.hadoop.mapred.OutputCollector; |
| import org.apache.hadoop.mapred.Reporter; |
| |
| public class JPluginMapper extends AbstractProcessor { |
| @Override |
| protected void parse(String recordEntry, |
| OutputCollector<ChukwaRecordKey, ChukwaRecord> output, |
| Reporter reporter) throws Throwable { |
| LogEntry entry = new LogEntry(recordEntry); |
| String xml = entry.getBody(); |
| GenericChukwaMetricsList metricsList = new GenericChukwaMetricsList(); |
| metricsList.fromXml(xml); |
| String recType = metricsList.getRecordType(); |
| long timestamp = metricsList.getTimestamp(); |
| for (ChukwaMetrics metrics : metricsList.getMetricsList()) { |
| key = new ChukwaRecordKey(); |
| ChukwaRecord record = new ChukwaRecord(); |
| this.buildGenericRecord(record, null, -1l, recType); |
| record.setTime(timestamp); |
| key.setKey(getKey(timestamp, metrics.getKey())); |
| record.add("key", metrics.getKey()); |
| for (Entry<String, String> attr : metrics.getAttributes().entrySet()) { |
| record.add(attr.getKey(), attr.getValue()); |
| } |
| output.collect(key, record); |
| } |
| } |
| |
| private String getKey(long ts, String metricsKey) { |
| long unit = 60 * 60 * 1000; |
| long rounded = (ts / unit) * unit; |
| return rounded + "/" + metricsKey + "/" + ts; |
| } |
| } |