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1   /****************************************************************
2    * Licensed to the Apache Software Foundation (ASF) under one   *
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7    * "License"); you may not use this file except in compliance   *
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17   * under the License.                                           *
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19  
20  package org.apache.james.jspf.executor;
21  
22  import java.util.List;
23  
24  
25  /**
26   * Queue implementation which is used to manage IResponse
27   *
28   */
29  public interface IResponseQueue extends List {
30      
31      /**
32       * Return the last IResponse in the queue. If the queue is empty it will
33       * wait until a IResponse was added
34       * 
35       * @return response
36       */
37      public IResponse removeResponse();
38      
39      /**
40       *  Add the given Response to the end of the queue. 
41       *  
42       * @param r
43       */
44      public void insertResponse(IResponse r);
45  
46  }