cvs commit: spice/sandbox/sca/src/java/org/realityforge/sca/selector SelectorEventHandler.java SelectorManager.java

donaldp     03/10/29 18:46:32

  Added:       sandbox/sca/src/java/org/realityforge/sca/selector
                        SelectorEventHandler.java SelectorManager.java
  Log:
  Initial cut of selector code based on that previously in netserve
  
  Revision  Changes    Path
  1.1                  spice/sandbox/sca/src/java/org/realityforge/sca/selector/SelectorEventHandler.java
  
  Index: SelectorEventHandler.java
  ===================================================================
  /*
   * Copyright (C) The Spice Group. All rights reserved.
   *
   * This software is published under the terms of the Spice
   * Software License version 1.1, a copy of which has been included
   * with this distribution in the LICENSE.txt file.
   */
  package org.realityforge.sca.selector;
  
  import java.nio.channels.SelectionKey;
  
  /**
   * Interface implemente to receive events from
   * a Selector.
   */
  public interface SelectorEventHandler
  {
      /**
       * Method that receives events from selector.
       * The user MUST NOT modify or access the
       * keys attachment.
       *
       * @param key the SelectionKey
       * @param userData the data user specified when registering listener
       */
      void handleSelectorEvent( SelectionKey key, Object userData );
  }
  
  
  
  1.1                  spice/sandbox/sca/src/java/org/realityforge/sca/selector/SelectorManager.java
  
  Index: SelectorManager.java
  ===================================================================
  /*
   * Copyright (C) The Spice Group. All rights reserved.
   *
   * This software is published under the terms of the Spice
   * Software License version 1.1, a copy of which has been included
   * with this distribution in the LICENSE.txt file.
   */
  package org.realityforge.sca.selector;
  
  import java.io.IOException;
  import java.nio.channels.SelectableChannel;
  import java.nio.channels.SelectionKey;
  
  /**
   * Service enabling management of Non-blocking IO Channels.
   * The service will call back the specified handler
   * when one of the specified operations occurs on the
   * channel.
   */
  public interface SelectorManager
  {
      /**
       * Register a channel with selector.
       * Note the user MUST NOT modify the returned
       * SelectionKeys attachment.
       *
       * @param channel the channel
       * @param ops the operations to register
       * @param handler the handler that will be notified on event
       * @param userData the data passed back into the handler
       * @return the SelectionKey
       * @throws java.io.IOException if channel can not be registered
       */
      SelectionKey registerChannel( SelectableChannel channel,
                                    int ops,
                                    SelectorEventHandler handler,
                                    Object userData )
          throws IOException;
  }
  
  
  


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