org.epics.pvaClient

Class PvaClientGet

java.lang.Object

org.epics.pvaClient.PvaClientGet

All Implemented Interfaces:

ChannelGetRequester, Requester

public class PvaClientGet
extends Object
implements ChannelGetRequester

This is a synchronous alternative to ChannelGet

Since:

2015.06

Author:

mrk

Method Summary

Modifier and Type	Method and Description
void	channelGetConnect(Status status, ChannelGet channelGet, Structure structure)
void	connect() call issueConnect and then waitConnect.
void	destroy() clean up resources used.
void	get() Call issueGet and then waitGet.
PvaClientGetData	getData() Get the data for the channelGet.
void	getDone(Status status, ChannelGet channelGet, PVStructure pvStructure, BitSet bitSet)
String	getRequesterName()
void	issueConnect() create the channelGet connection to the channel.
void	issueGet() Issue a get and return immediately.
void	message(String message, MessageType messageType)
Status	waitConnect() wait until the channelGet connection to the channel is complete.
Status	waitGet() Wait until get completes.

Methods inherited from class java.lang.Object

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

Method Detail

getRequesterName

public String getRequesterName()

Specified by:

getRequesterName in interface Requester

message

public void message(String message,
                    MessageType messageType)

Specified by:

message in interface Requester

channelGetConnect

public void channelGetConnect(Status status,
                              ChannelGet channelGet,
                              Structure structure)

Specified by:

channelGetConnect in interface ChannelGetRequester

getDone

public void getDone(Status status,
                    ChannelGet channelGet,
                    PVStructure pvStructure,
                    BitSet bitSet)

Specified by:

getDone in interface ChannelGetRequester

destroy

public void destroy()

clean up resources used.

connect

public void connect()

call issueConnect and then waitConnect.

Throws:

RuntimeException - if create fails.

issueConnect

public void issueConnect()

create the channelGet connection to the channel. This can only be called once.

waitConnect

public Status waitConnect()

wait until the channelGet connection to the channel is complete.

Returns:

status of connection request.

get

public void get()

Call issueGet and then waitGet.

Throws:

RuntimeException - if create fails.

issueGet

public void issueGet()

Issue a get and return immediately.

waitGet

public Status waitGet()

Wait until get completes.

Returns:

status of get request.

getData

public PvaClientGetData getData()

Get the data for the channelGet.

Returns:

The interface.