Class semper.comm.ComPointTCP 
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Class semper.comm.ComPointTCP 

java.lang.Object
   |
   +----semper.comm.ComPointTCP
public class ComPointTCP
extends Object
implements ComPoint
This class implements the ComPoint class based on tcp.
Version:
beta-4, 12.8.96
Author:
Mehdi Nassehi

Constructor Index

o ComPointTCP()
Creats a ComPointTCP.
o ComPointTCP(int, ComPointAddress)
Creats an initiator or server ComPointTCP.

Method Index

o accept()
Waits for and returns a Responder ComPoint when a message arrives.
o close()
Closes the ComPointTCP.
o comPoint(int, ComPointAddress)
Creats an Initiator or Server ComPointTCP cast into ComPoint.
o finalize()
Finalizer.
o getAddress()
Returns the address.
o getComSocket()
Returns the comSocket.
o getProtocol()
Returns the protocol.
o getType()
Returns the type.
o init()
Initializes the module.
o isInitialized()
Check whether the module is initialized.
o read()
Waits for and returns a message received on the ComPoint, which must be either an Initiator or a Responder.
o write(Object)
Sends the message through the ComPoint, which must be either an Initiator or a Responder.

Constructors

o ComPointTCP 
  public ComPointTCP()
Creats a ComPointTCP.
o ComPointTCP 
  public ComPointTCP(int type,
                     ComPointAddress address) throws ComPointException
Creats an initiator or server ComPointTCP.
Parameters:
type - type of ComPointTCP to be created
address - if the type is server, the local address; otherwise, the remote address.
Throws: ComPointException
if type is invalid or the socket cannot be opened.

Methods

o init 
  public static void init()
Initializes the module.
o isInitialized 
  public static boolean isInitialized()
Check whether the module is initialized.
Returns:
true if and only if fully initialized;
o comPoint 
  public ComPoint comPoint(int type,
                           ComPointAddress address) throws ComPointException
Creats an Initiator or Server ComPointTCP cast into ComPoint.
Parameters:
type - type of ComPointTCP to be created
address - if the type is server, the local address; otherwise, the remote address.
Throws: ComPointException
if type is invalid or the socket cannot be opened.
o close 
  public void close() throws ComPointException
Closes the ComPointTCP.
Throws: ComPointException
if type is invalid or encountered an error while error while closing the socket.
o finalize 
  protected void finalize()
Finalizer.
Overrides:
finalize in class Object
o getProtocol 
  public String getProtocol()
Returns the protocol.
o getType 
  public int getType()
Returns the type.
o getAddress 
  public ComPointAddress getAddress()
Returns the address.
o getComSocket 
  public Object getComSocket()
Returns the comSocket.
o write 
  public synchronized void write(Object message) throws ComPointException
Sends the message through the ComPoint, which must be either an Initiator or a Responder.
Parameters:
message - message to be sent.
Throws: ComPointException
if the type is invalid or encountered an error while externalizing the message.
o read 
  public synchronized Object read() throws ComPointException
Waits for and returns a message received on the ComPoint, which must be either an Initiator or a Responder.
Throws: ComPointException
if the type is invalid or encountered an error while internalizing the message.
o accept 
  public synchronized ComPoint accept() throws ComPointException
Waits for and returns a Responder ComPoint when a message arrives. Must be invoked on a ComPoint of type Server.
Throws: ComPointException
if the type is invalid or encountered an error while accepting a new socket. 
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