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java.lang.Object
   |
   +----edu.utah.janos.nodeos.CommSpace

Summary

class  CommSpace
     extends java.lang.Object
{
          // Fields 2
     private int currentSize;
     private final CommSpaceElement[] table;

          // Constructors 1
     CommSpace(int);

          // Methods 7
     private final void checkIndex(int);
     CommSpaceElement read(int) throws ArrayIndexOutOfBoundsException;
     final int size();
     CommSpaceElement swap(int, CommSpaceElement);
     CommSpaceElement take(int) throws ArrayIndexOutOfBoundsException;
     CommSpaceElement waitToTake(int) throws ArrayIndexOutOfBoundsException, InterruptedException;
     void write(int, CommSpaceElement) throws ArrayIndexOutOfBoundsException;
}

Variation on an array, with some tuple-space like properties. Objects are not shared between flows, they are copied on read.

Author:

Janos Ministry of Development

Fields

· table

Summary  |  Top

   private final CommSpaceElement[] table

   private int currentSize

Constructors

· CommSpace

Summary  |  Top

   CommSpace(int size) 

   final int size() 

   private final void checkIndex(int index) 

   void write(int index, 
              CommSpaceElement elem)  throws ArrayIndexOutOfBoundsException

Write the given element at the given index. Note that this creates cross-process pointers..

   CommSpaceElement take(int index)  throws ArrayIndexOutOfBoundsException

   CommSpaceElement waitToTake(int index)  throws ArrayIndexOutOfBoundsException, InterruptedException

   CommSpaceElement read(int index)  throws ArrayIndexOutOfBoundsException

   CommSpaceElement swap(int index, 
                         CommSpaceElement elem) 

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