visad.data
Class SocketDataSource

java.lang.Object
  visad.data.LinkedDataSource
      visad.data.SocketDataSource

public class SocketDataSource
extends LinkedDataSource

A class for linking a socket stream to a DataReference. Whenever the source data changes, the source presumably sends the change through the linked socket, and the DataReference is set to point at the new data.

Field Summary

protected java.lang.Runnable	comm Code for monitoring socket for incoming source data changes.
protected java.io.ObjectInputStream	in The input stream for the socket connection.
protected java.io.ObjectOutputStream	out The output stream for the socket connection.
protected java.net.Socket	socket The socket connection for this SocketDataSource.

Fields inherited from class visad.data.LinkedDataSource

DEBUG, name

Constructor Summary

SocketDataSource(java.lang.String name)
Construct a SocketDataSource with the given name.

Method Summary

java.net.Socket	getSocket() Return the socket connection for this SocketDataSource.
void	open(java.lang.String id) Link to the given socket, updating the local data whenever an update event is sent through that socket.
void	writeObject(java.lang.Object o) Writes the specified object out to the socket.

Methods inherited from class visad.data.LinkedDataSource

dataChanged, getName, getReference, isAlive

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

socket

protected java.net.Socket socket

The socket connection for this SocketDataSource.

out

protected java.io.ObjectOutputStream out

The output stream for the socket connection.

in

protected java.io.ObjectInputStream in

The input stream for the socket connection.

comm

protected java.lang.Runnable comm

Code for monitoring socket for incoming source data changes.

Constructor Detail

SocketDataSource

public SocketDataSource(java.lang.String name)

Construct a SocketDataSource with the given name.

Method Detail

open

public void open(java.lang.String id)
          throws java.io.IOException,
                 VisADException,
                 java.rmi.RemoteException

Link to the given socket, updating the local data whenever an update event is sent through that socket.

Specified by:

open in class LinkedDataSource

Throws:

java.io.IOException

VisADException

java.rmi.RemoteException

getSocket

public java.net.Socket getSocket()

Return the socket connection for this SocketDataSource.

writeObject

public void writeObject(java.lang.Object o)

Writes the specified object out to the socket.