Package org.epics.gpclient.datasource.ca

Class CAChannelHandler

java.lang.Object

org.epics.gpclient.datasource.ChannelHandler

org.epics.gpclient.datasource.MultiplexedChannelHandler<CAConnectionPayload,CAMessagePayload>

org.epics.gpclient.datasource.ca.CAChannelHandler

public class CAChannelHandler
extends org.epics.gpclient.datasource.MultiplexedChannelHandler<CAConnectionPayload,CAMessagePayload>

Constructor Summary

Constructors

Constructor	Description
CAChannelHandler(String channelName, CADataSource caDataSource)

Method Summary

Modifier and Type	Method	Description
protected void	connect()
protected int	countFor(gov.aps.jca.Channel channel)
protected void	disconnect()
protected CATypeAdapter	findTypeAdapter(org.epics.gpclient.ReadCollector<?,?> cache, CAConnectionPayload connection)
CADataSource	getCADataSource()	The datasource this channel refers to.
protected boolean	isConnected(CAConnectionPayload connPayload)
boolean	isLongString()
protected boolean	isWriteConnected(CAConnectionPayload connPayload)
protected gov.aps.jca.dbr.DBRType	metadataFor(gov.aps.jca.Channel channel)
protected void	processWriteRequest(org.epics.gpclient.WriteCollector.WriteRequest<?> request)
protected gov.aps.jca.dbr.DBRType	valueTypeFor(gov.aps.jca.Channel channel)
protected void	write(Object newValue)

Methods inherited from class org.epics.gpclient.datasource.MultiplexedChannelHandler

addReader, addWriter, getConnectionPayload, getLastMessagePayload, getReadUsageCounter, getUsageCounter, getWriteUsageCounter, isConnected, isWriteConnected, processConnection, processMessage, removeReader, removeWriter, reportExceptionToAllReadersAndWriters, reportExceptionToAllWriters, resetMessage, saveMessageAfterDisconnect, setProcessMessageOnDisconnect, setProcessMessageOnReconnect

Methods inherited from class org.epics.gpclient.datasource.ChannelHandler

getChannelName, getProperties

Methods inherited from class java.lang.Object

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

Constructor Detail

CAChannelHandler

public CAChannelHandler(String channelName,
                        CADataSource caDataSource)

Method Detail

getCADataSource

public CADataSource getCADataSource()

The datasource this channel refers to.

Returns:

a ca data source

connect

protected void connect()

Specified by:

connect in class org.epics.gpclient.datasource.MultiplexedChannelHandler<CAConnectionPayload,CAMessagePayload>

disconnect

protected void disconnect()

Specified by:

disconnect in class org.epics.gpclient.datasource.MultiplexedChannelHandler<CAConnectionPayload,CAMessagePayload>

isConnected

protected boolean isConnected(CAConnectionPayload connPayload)

Overrides:

isConnected in class org.epics.gpclient.datasource.MultiplexedChannelHandler<CAConnectionPayload,CAMessagePayload>

isWriteConnected

protected boolean isWriteConnected(CAConnectionPayload connPayload)

Overrides:

isWriteConnected in class org.epics.gpclient.datasource.MultiplexedChannelHandler<CAConnectionPayload,CAMessagePayload>

findTypeAdapter

protected CATypeAdapter findTypeAdapter(org.epics.gpclient.ReadCollector<?,?> cache,
                                        CAConnectionPayload connection)

Overrides:

findTypeAdapter in class org.epics.gpclient.datasource.MultiplexedChannelHandler<CAConnectionPayload,CAMessagePayload>

write

protected void write(Object newValue)

Overrides:

write in class org.epics.gpclient.datasource.MultiplexedChannelHandler<CAConnectionPayload,CAMessagePayload>

processWriteRequest

protected void processWriteRequest(org.epics.gpclient.WriteCollector.WriteRequest<?> request)

Overrides:

processWriteRequest in class org.epics.gpclient.datasource.MultiplexedChannelHandler<CAConnectionPayload,CAMessagePayload>

countFor

protected int countFor(gov.aps.jca.Channel channel)

metadataFor

protected gov.aps.jca.dbr.DBRType metadataFor(gov.aps.jca.Channel channel)

valueTypeFor

protected gov.aps.jca.dbr.DBRType valueTypeFor(gov.aps.jca.Channel channel)

isLongString

public boolean isLongString()