| /* |
| * 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.storm.opentsdb.bolt; |
| |
| import java.util.Map; |
| |
| import org.apache.storm.opentsdb.OpenTsdbMetricDatapoint; |
| import org.apache.storm.tuple.ITuple; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Converts {@link org.apache.storm.tuple.ITuple} to {@link OpenTsdbMetricDatapoint}. |
| */ |
| public final class TupleOpenTsdbDatapointMapper implements ITupleOpenTsdbDatapointMapper { |
| private static final Logger LOG = LoggerFactory.getLogger(TupleOpenTsdbDatapointMapper.class); |
| |
| /** |
| * Default mapper which can be used when the tuple already contains fields mapping metric, timestamp, tags and value. |
| */ |
| public static final TupleOpenTsdbDatapointMapper DEFAULT_MAPPER = |
| new TupleOpenTsdbDatapointMapper("metric", "timestamp", "tags", "value"); |
| |
| private final String metricField; |
| private final String timestampField; |
| private final String valueField; |
| private final String tagsField; |
| |
| public TupleOpenTsdbDatapointMapper(String metricField, String timestampField, String tagsField, String valueField) { |
| this.metricField = metricField; |
| this.timestampField = timestampField; |
| this.tagsField = tagsField; |
| this.valueField = valueField; |
| } |
| |
| @Override |
| public OpenTsdbMetricDatapoint getMetricPoint(ITuple tuple) { |
| return new OpenTsdbMetricDatapoint( |
| tuple.getStringByField(metricField), |
| (Map<String, String>) tuple.getValueByField(tagsField), |
| tuple.getLongByField(timestampField), |
| (Number) tuple.getValueByField(valueField)); |
| } |
| |
| /** |
| * Retrieve metric field name in the tuple. |
| * @return metric field name in the tuple |
| */ |
| public String getMetricField() { |
| return metricField; |
| } |
| |
| /** |
| * Retrieve the timestamp field name in the tuple. |
| * @return timestamp field name in the tuple |
| */ |
| public String getTimestampField() { |
| return timestampField; |
| } |
| |
| /** |
| * Retrieve the value field name in the tuple. |
| * @return value field name in the tuple |
| */ |
| public String getValueField() { |
| return valueField; |
| } |
| |
| /** |
| * Retrieve the tags field name in the tuple. |
| * @return tags field name in the tuple |
| */ |
| public String getTagsField() { |
| return tagsField; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (!(o instanceof TupleOpenTsdbDatapointMapper)) { |
| return false; |
| } |
| |
| TupleOpenTsdbDatapointMapper that = (TupleOpenTsdbDatapointMapper) o; |
| |
| if (!metricField.equals(that.metricField)) { |
| return false; |
| } |
| if (!timestampField.equals(that.timestampField)) { |
| return false; |
| } |
| if (!valueField.equals(that.valueField)) { |
| return false; |
| } |
| return tagsField.equals(that.tagsField); |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = metricField.hashCode(); |
| result = 31 * result + timestampField.hashCode(); |
| result = 31 * result + valueField.hashCode(); |
| result = 31 * result + tagsField.hashCode(); |
| return result; |
| } |
| |
| @Override |
| public String toString() { |
| return "TupleOpenTsdbDatapointMapper{" |
| + "metricField='" + metricField + '\'' |
| + ", timestampField='" + timestampField + '\'' |
| + ", valueField='" + valueField + '\'' |
| + ", tagsField='" + tagsField + '\'' |
| + '}'; |
| } |
| } |