Class RemoteService.context.ClientContext

All Packages  Class Hierarchy  This Package  Previous  Next  Index

Class RemoteService.context.ClientContext

java.lang.Object
   |
   +----JavaAgent.context.AgentContext
           |
           +----JavaAgent.context.SocketContext
                   |
                   +----RemoteService.context.ClientContext

public class ClientContext
extends SocketContext

Subclass of SocketContext which provides a context for a ClientAgent. The main function of the ClientAgent is to load and execute interfaces to multiple remote services. Each remote service interface can communicate with a local process via the stdin and stdout of the context (PipeCommunicator).

RESTRICTED RIGHTS LEGEND: Use, duplication or disclosure by the Government is subject to restrictions as set forth in subparagraph(c)(1)(ii) of the Rights in Technical Data and Computer Software clause at DFARS 252.227-7013 and in similar clauses in the FAR and NASA FAR supplement.

This software is bound by the terms and conditions listed in the attached LICENSE file.

pipecomm: Thread which handles communications through the stdin and stdout.

ClientContext(ClientParams): ClientContext constructor.

addAgent(): Creates the ClientAgent object.
createGUI(): If the gui flag is set, creates an RSFrame object.
main(String[]): Called if the ClientContext is started as an application from the command line.
NonAgentMsg(Object): Sends a String message through the stdout w/ optional interrupt.
PipeMsgReceived(String): Called when a message is received through the PipeCommunicator.
resourceChanged(String): Called when some Agent resource has changed.
startPipeCommunicator(): Starts the PipeCommunicator thread.

pipecomm

  protected PipeCommunicator pipecomm

Thread which handles communications through the stdin and stdout.

ClientContext

  public ClientContext(ClientParams params)

ClientContext constructor.

startPipeCommunicator

  protected void startPipeCommunicator()

Starts the PipeCommunicator thread.

createGUI

  protected void createGUI()

If the gui flag is set, creates an RSFrame object.

Overrides:: createGUI in class AgentContext

addAgent

  protected boolean addAgent()

Creates the ClientAgent object.

Overrides:: addAgent in class SocketContext

NonAgentMsg

  public void NonAgentMsg(Object message) throws NonAgentMsgException

Sends a String message through the stdout w/ optional interrupt.

Overrides:: NonAgentMsg in class AgentContext

PipeMsgReceived

  protected void PipeMsgReceived(String message)

Called when a message is received through the PipeCommunicator.

Parameters:: message - String received.

resourceChanged

  public void resourceChanged(String type)

Called when some Agent resource has changed. If it is available_service could be a registration or an unregistration.

Parameters:: type - String identifying the type of the resource.
Overrides:: resourceChanged in class AgentContext

main

  public static void main(String arg[])

Called if the ClientContext is started as an application from the command line. Command line args:

-i init_file URL
[-s] shared classes URL, for classes and other files which will be shared with other agents.
[-l] local directory for writing to the shared classes URL.
[-w] working directory for saving local files, this should not be included if the agent cannot access the local disk
[-n] name, only included if the Agent should automatically connect to the network.
[-gui] create a GUI if this flag is included
[-p] Port for ServerSocket
[-comm] local communication is supported, must have a dummy arg.
[-pid] pid of local process
[-sig] signal number for interrupting local process

Parameters:: arg - Array of command line arguments.

All Packages  Class Hierarchy  This Package  Previous  Next  Index