/
MultiCountMetric.java
45 lines (40 loc) · 1.49 KB
/
MultiCountMetric.java
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/**
* 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 backtype.storm.metric.api.IMetric;
import java.util.HashMap;
import java.util.Map;
public class MultiCountMetric implements IMetric {
Map<String, CountMetric> _value = new HashMap();
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 ret = new HashMap();
for(Map.Entry<String, CountMetric> e : _value.entrySet()) {
ret.put(e.getKey(), e.getValue().getValueAndReset());
}
return ret;
}
}