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1   /*
2    * Copyright 2012 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package org.jboss.netty.util.internal;
17  
18  import java.util.concurrent.Executor;
19  
20  /**
21   * Disables shutdown of an {@link Executor} by wrapping the {@link Executor}.
22   */
23  public class UnterminatableExecutor implements Executor {
24  
25      private final Executor executor;
26  
27      public UnterminatableExecutor(Executor executor) {
28          if (executor == null) {
29              throw new NullPointerException("executor");
30          }
31          this.executor = executor;
32      }
33  
34      public void execute(Runnable command) {
35          executor.execute(command);
36      }
37  }