edu.utah.janos.nodeos
Class CommHashtableHandle

java.lang.Object
  |
  +--edu.utah.janosvm.sys.ListNode
        |
        +--edu.utah.janosvm.sys.Importable
              |
              +--edu.utah.janos.nodeos.CommHashtableHandle

public class CommHashtableHandle

extends edu.utah.janosvm.sys.Importable

A handle for a CommHashtable that may be in another Flow.

Fields inherited from class edu.utah.janosvm.sys.ListNode

pred, succ

Constructor Summary

CommHashtableHandle()
Construct a new CommHashtable and attach this handle to it.

CommHashtableHandle(CommHashtableHandle chh)
Copy constructor.

Method Summary

boolean	containsKey(CommSpaceElement id)
CommSpaceElement	lookup(CommSpaceElement id)
CommSpaceElement	put(CommSpaceElement id, CommSpaceElement val)
void	remove(CommSpaceElement id)

Methods inherited from class edu.utah.janosvm.sys.Importable

clone, equals, pointsTo

Methods inherited from class edu.utah.janosvm.sys.ListNode

append, prepend, remove

Methods inherited from class java.lang.Object

getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CommHashtableHandle

public CommHashtableHandle()

Construct a new CommHashtable and attach this handle to it.

CommHashtableHandle

public CommHashtableHandle(CommHashtableHandle chh)

Copy constructor.

Parameters:

chh - The handle to copy.

Method Detail

put

public CommSpaceElement put(CommSpaceElement id,
                            CommSpaceElement val)

Parameters:

id - Identifier to be paired with a value

val - Value to pair with an identifier

Returns:

The element that was previously paired with the identifier.

lookup

public CommSpaceElement lookup(CommSpaceElement id)

Parameters:

id - The identifier to lookup in the hash table.

Returns:

Null or the element that is paired with the given identifier

remove

public void remove(CommSpaceElement id)

Parameters:

id - The identifier to remove from the hash table.

containsKey

public boolean containsKey(CommSpaceElement id)

Parameters:

id - The identifier to check for in the hash table.

Returns:

True if the identifier was found in the table, false otherwise.