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1   /**
2    * Copyright 2010 The Apache Software Foundation
3    *
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *     http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing, software
15   * distributed under the License is distributed on an "AS IS" BASIS,
16   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17   * See the License for the specific language governing permissions and
18   * limitations under the License.
19   */
20  package org.apache.hadoop.hbase.executor;
21  
22  import java.util.concurrent.ThreadFactory;
23  import java.util.concurrent.atomic.AtomicInteger;
24  
25  /**
26   * Returns a named thread with a specified prefix.
27   *
28   * TODO: Use guava (com.google.common.util.concurrent.NamingThreadFactory)
29   */
30  public class NamedThreadFactory implements ThreadFactory
31  {
32    private String threadPrefix;
33    private AtomicInteger threadId = new AtomicInteger(0);
34  
35    public NamedThreadFactory(String threadPrefix) {
36      this.threadPrefix = threadPrefix;
37    }
38  
39    @Override
40    public Thread newThread(Runnable r) {
41      return new Thread(r, threadPrefix + "-" + threadId.incrementAndGet());
42    }
43  }