| /** |
| * 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 backtype.storm.metric.api; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| public class MultiCountMetric implements IMetric { |
| private Map<String, CountMetric> value = new ConcurrentHashMap<>(); |
| |
| public MultiCountMetric() { |
| } |
| |
| public CountMetric scope(String key) { |
| CountMetric val = value.get(key); |
| if (val == null) { |
| value.put(key, val = new CountMetric()); |
| } |
| return val; |
| } |
| |
| public Object getValueAndReset() { |
| Map<String, Object> ret = new HashMap<>(); |
| for (Map.Entry<String, CountMetric> e : value.entrySet()) { |
| ret.put(e.getKey(), e.getValue().getValueAndReset()); |
| } |
| return ret; |
| } |
| } |