// Fig. 15.14: ConsumeInteger.java
// Definition of threaded class ConsumeInteger

// Java extension packages
import javax.swing.*;

public class ConsumeInteger extends Thread {
   private HoldIntegerSynchronized sharedObject;
   private JTextArea outputArea;

   // initialize ConsumeInteger
   public ConsumeInteger( HoldIntegerSynchronized shared,
      JTextArea output )
   {
      super( "ConsumeInteger" );

      sharedObject = shared;
      outputArea = output;
   }

   // ConsumeInteger thread loops until it receives 10
   // from sharedObject's getSharedInt method
   public void run()
   {
      int value, sum = 0;

      do {

         // sleep for a random interval
         try {
            Thread.sleep( (int) ( Math.random() * 3000 ) );
         }

         // process InterruptedException during sleep
         catch( InterruptedException exception ) {
            System.err.println( exception.toString() );
         }

         value = sharedObject.getSharedInt();
         sum += value;

      } while ( value != 10 );

      // update Swing GUI component
      SwingUtilities.invokeLater( new UpdateThread( outputArea,
         "\n" + getName() + " retrieved values totaling: " + 
         sum + "\nTerminating " + getName() + "\n" ) );
   }

}  // end class ConsumeInteger



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 * (C) Copyright 2002 by Deitel & Associates, Inc. and Prentice Hall.     *
 * All Rights Reserved.                                                   *
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 * development, research, and testing of the theories and programs        *
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