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1   /*
2    * Licensed under the Apache License, Version 2.0 (the "License");
3    * you may not use this file except in compliance with the License.
4    * You may obtain a copy of the License at
5    *
6    * http://www.apache.org/licenses/LICENSE-2.0
7    *
8    * Unless required by applicable law or agreed to in writing, software
9    * distributed under the License is distributed on an "AS IS" BASIS,
10   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11   * See the License for the specific language governing permissions and
12   * limitations under the License.
13   */
14  package com.addthis.codec.utils;
15  
16  import java.util.Collection;
17  
18  import com.yammer.metrics.core.Gauge;
19  
20  public class SizeGauge extends Gauge<Integer> {
21      private final Collection<?> collection;
22  
23      public SizeGauge(Collection<?> collection) {
24          this.collection = collection;
25      }
26  
27      @Override public Integer value() {
28          return collection.size();
29      }
30  }