xal.ca

Class ChannelSystem

java.lang.Object

xal.ca.ChannelSystem

public abstract class ChannelSystem
extends java.lang.Object

ChannelSystem is a wrapper for static methods of Channel subclasses that are public and should be generally visible. This is necessary since there is no abstract static method construct in Java. A subclass of ChannelSystem will handle the request as appropriate by calling static methods of the target Channel subclass.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ChannelSystem() Creates a new instance of ChannelSystem

Method Summary

Modifier and Type	Method and Description
abstract void	flushIO() flush requests to the server
abstract ChannelServer	newChannelServer() Create a new channel server
abstract void	pendEvent(double timeout) Schedule the queued requests with the specified timeout
abstract boolean	pendIO(double timeout) Schedule an IO request with the specified timeout
abstract void	printInfo() Print information about this system
abstract void	setDebugMode(boolean debugFlag) Set the debug mode of the channel system.

Methods inherited from class java.lang.Object

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

Constructor Detail

ChannelSystem

protected ChannelSystem()

Creates a new instance of ChannelSystem

Method Detail

setDebugMode

public abstract void setDebugMode(boolean debugFlag)

Set the debug mode of the channel system.

Parameters:

debugFlag - True to enable debug mode and false to disable debug mode.

newChannelServer

public abstract ChannelServer newChannelServer()
                                        throws java.lang.Exception

Create a new channel server

Returns:

new channel server

Throws:

java.lang.Exception - as appropriate

flushIO

public abstract void flushIO()

flush requests to the server

pendIO

public abstract boolean pendIO(double timeout)

Schedule an IO request with the specified timeout

Parameters:

timeout - the maximum time to wait for a successful pend IO

Returns:

true upon success and false upon failure

pendEvent

public abstract void pendEvent(double timeout)

Schedule the queued requests with the specified timeout

Parameters:

timeout - the maximum time to wait for successful handling of the request

printInfo

public abstract void printInfo()

Print information about this system