| /** |
| * 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.metric.api; |
| |
| import java.util.Collection; |
| import java.util.Map; |
| import java.util.Objects; |
| import org.apache.storm.task.IErrorReporter; |
| import org.apache.storm.task.TopologyContext; |
| |
| public interface IMetricsConsumer { |
| void prepare(Map<String, Object> topoConf, Object registrationArgument, TopologyContext context, IErrorReporter errorReporter); |
| |
| void handleDataPoints(TaskInfo taskInfo, Collection<DataPoint> dataPoints); |
| |
| void cleanup(); |
| |
| class TaskInfo { |
| public String srcWorkerHost; |
| public int srcWorkerPort; |
| public String srcComponentId; |
| public int srcTaskId; |
| public long timestamp; |
| public int updateIntervalSecs; |
| |
| public TaskInfo() { |
| } |
| |
| public TaskInfo(String srcWorkerHost, int srcWorkerPort, String srcComponentId, int srcTaskId, long timestamp, |
| int updateIntervalSecs) { |
| this.srcWorkerHost = srcWorkerHost; |
| this.srcWorkerPort = srcWorkerPort; |
| this.srcComponentId = srcComponentId; |
| this.srcTaskId = srcTaskId; |
| this.timestamp = timestamp; |
| this.updateIntervalSecs = updateIntervalSecs; |
| } |
| |
| @Override |
| public String toString() { |
| return "TASK_INFO: { host: " + srcWorkerHost |
| + ":" + srcWorkerPort |
| + " comp: " + srcComponentId |
| + "[" + srcTaskId + "]}"; |
| } |
| } |
| |
| // We can't move this to outside without breaking backward compatibility. |
| class DataPoint { |
| public String name; |
| public Object value; |
| |
| public DataPoint() { |
| } |
| |
| public DataPoint(String name, Object value) { |
| this.name = name; |
| this.value = value; |
| } |
| |
| @Override |
| public String toString() { |
| return "[" + name + " = " + value + "]"; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (!(o instanceof DataPoint)) { |
| return false; |
| } |
| |
| DataPoint dataPoint = (DataPoint) o; |
| |
| return Objects.equals(name, dataPoint.name) && Objects.deepEquals(value, dataPoint.value); |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = name != null ? name.hashCode() : 0; |
| result = 31 * result + (value != null ? value.hashCode() : 0); |
| return result; |
| } |
| } |
| } |