| /** |
| * 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.metricstore; |
| |
| import java.util.Map; |
| import org.apache.storm.DaemonConfig; |
| import org.apache.storm.metric.StormMetricsRegistry; |
| |
| |
| public class MetricStoreConfig { |
| |
| /** |
| * Configures metrics store (running on Nimbus) to use the class specified in the conf. |
| * @param conf Storm config map |
| * @param metricsRegistry The Nimbus daemon metrics registry |
| * @return MetricStore prepared store |
| * @throws MetricException on misconfiguration |
| */ |
| public static MetricStore configure(Map<String, Object> conf, StormMetricsRegistry metricsRegistry) throws MetricException { |
| |
| try { |
| String storeClass = (String) conf.get(DaemonConfig.STORM_METRIC_STORE_CLASS); |
| MetricStore store = (MetricStore) (Class.forName(storeClass)).newInstance(); |
| store.prepare(conf, metricsRegistry); |
| return store; |
| } catch (Exception e) { |
| throw new MetricException("Failed to create metric store", e); |
| } |
| } |
| |
| /** |
| * Configures metric processor (running on supervisor) to use the class specified in the conf. |
| * @param conf the supervisor config |
| * @return WorkerMetricsProcessor prepared processor |
| * @throws MetricException on misconfiguration |
| */ |
| public static WorkerMetricsProcessor configureMetricProcessor(Map conf) throws MetricException { |
| |
| try { |
| String processorClass = (String) conf.get(DaemonConfig.STORM_METRIC_PROCESSOR_CLASS); |
| WorkerMetricsProcessor processor = (WorkerMetricsProcessor) (Class.forName(processorClass)).newInstance(); |
| processor.prepare(conf); |
| return processor; |
| } catch (Exception e) { |
| throw new MetricException("Failed to create metric processor", e); |
| } |
| } |
| } |
| |