Package xal.plugin.epics7

Class Epics7ChannelSystem

java.lang.Object

xal.plugin.epics7.Epics7ChannelSystem

All Implemented Interfaces:

ChannelSystem

Direct Known Subclasses:

Epics7ServerChannelSystem

public class Epics7ChannelSystem
extends Object
implements ChannelSystem

Author:

Juan F. Esteban Müller <JuanF.EstebanMuller@ess.eu>

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean	initialized

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Epics7ChannelSystem()

Method Summary

Modifier and Type	Method	Description
void	dispose()
void	flushIO()	flush requests to the server
protected org.epics.pvaccess.client.ChannelProvider	getCaChannelProvider()
protected org.epics.pvaccess.client.ChannelProvider	getPvaChannelProvider()
protected void	initialize()
boolean	isInitialized()
static final void	loadConfig(boolean isServer)	This method preloads the JCA and PVA configuration.
protected static Epics7ChannelSystem	newEpics7ChannelSystem()
void	pendEvent(double timeout)	Schedule the queued requests with the specified timeout
boolean	pendIO(double timeout)	Schedule an IO request with the specified timeout
void	printInfo()	Print information about this system
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

Field Details

initialized

protected volatile boolean initialized

Constructor Details

Epics7ChannelSystem

protected Epics7ChannelSystem()

Method Details

getCaChannelProvider

protected org.epics.pvaccess.client.ChannelProvider getCaChannelProvider()

getPvaChannelProvider

protected org.epics.pvaccess.client.ChannelProvider getPvaChannelProvider()

newEpics7ChannelSystem

protected static Epics7ChannelSystem newEpics7ChannelSystem()

initialize

protected void initialize()

loadConfig

public static final void loadConfig(boolean isServer)

This method preloads the JCA and PVA configuration. It takes the configuration from Preferences or from environment variables, in that precedence order. It ignores the jca.use_env property and the JCALibrary file.

Parameters:

isServer - if server configuration has to be loaded.

setDebugMode

public void setDebugMode(boolean debugFlag)

Description copied from interface: ChannelSystem

Set the debug mode of the channel system.

Specified by:

setDebugMode in interface ChannelSystem

Parameters:

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

flushIO

public void flushIO()

Description copied from interface: ChannelSystem

flush requests to the server

Specified by:

flushIO in interface ChannelSystem

pendIO

public boolean pendIO(double timeout)

Description copied from interface: ChannelSystem

Schedule an IO request with the specified timeout

Specified by:

pendIO in interface ChannelSystem

Parameters:

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

Returns:

true upon success and false upon failure

pendEvent

public void pendEvent(double timeout)

Description copied from interface: ChannelSystem

Schedule the queued requests with the specified timeout

Specified by:

pendEvent in interface ChannelSystem

Parameters:

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

printInfo

public void printInfo()

Description copied from interface: ChannelSystem

Print information about this system

Specified by:

printInfo in interface ChannelSystem

isInitialized

public boolean isInitialized()

dispose

public void dispose()