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    1   /*
    2    * Copyright 2009 Red Hat, Inc.
    3    *
    4    * Red Hat licenses this file to you under the Apache License, version 2.0
    5    * (the "License"); you may not use this file except in compliance with the
    6    * 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   * @author <a href="http://www.jboss.org/netty/">The Netty Project</a>
    24   * @author <a href="http://gleamynode.net/">Trustin Lee</a>
    25   * @version $Rev: 2080 $, $Date: 2010-01-26 18:04:19 +0900 (Tue, 26 Jan 2010) $
    26   */
    27  public class UnterminatableExecutor implements Executor {
    28
    29      private final Executor executor;
    30
    31      public UnterminatableExecutor(Executor executor) {
    32          if (executor == null) {
    33              throw new NullPointerException("executor");
    34          }
    35          this.executor = executor;
    36      }
    37
    38      public void execute(Runnable command) {
    39          executor.execute(command);
    40      }
    41  }