View Javadoc

    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one
    3    * or more contributor license agreements.  See the NOTICE file
    4    * distributed with this work for additional information
    5    * regarding copyright ownership.  The ASF licenses this file
    6    * to you under the Apache License, Version 2.0 (the
    7    * "License"); you may not use this file except in compliance
    8    * with the License.  You may obtain a copy of the License at
    9    *
    10   *  http://www.apache.org/licenses/LICENSE-2.0
    11   *
    12   * Unless required by applicable law or agreed to in writing,
    13   * software distributed under the License is distributed on an
    14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    15   * KIND, either express or implied.  See the License for the
    16   * specific language governing permissions and limitations
    17   * under the License.
    18   */
    19  package org.apache.mina.integration.xbean;
    20
    21  import java.util.concurrent.Executor;
    22  import java.util.concurrent.ExecutorService;
    23  import java.util.concurrent.Executors;
    24  import java.util.concurrent.TimeUnit;
    25
    26  /**
    27   * @org.apache.xbean.XBean
    28   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
    29   */
    30  public class StandardThreadPool implements Executor {
    31      private final ExecutorService delegate;
    32
    33      public StandardThreadPool(int maxThreads) {
    34          delegate = Executors.newFixedThreadPool(maxThreads);
    35      }
    36
    37      public void execute(Runnable command) {
    38          delegate.execute(command);
    39      }
    40
    41      /**
    42       * TODO wont this hang if some tasks are sufficiently badly behaved?
    43       * @org.apache.xbean.DestroyMethod
    44       */
    45      public void stop() {
    46          delegate.shutdown();
    47          for (;;) {
    48              try {
    49                  if (delegate.awaitTermination(Integer.MAX_VALUE, TimeUnit.SECONDS)) {
    50                      break;
    51                  }
    52              } catch (InterruptedException e) {
    53                  //ignore
    54              }
    55          }
    56      }
    57  }