Package gov.aps.jca.cas

Class ProcessVariableExistanceCompletion

java.lang.Object

gov.aps.jca.cas.ProcessVariableExistanceCompletion

public final class ProcessVariableExistanceCompletion
extends Object

Process variable existance completion class.

Author:

Matej Sekoranja (matej.sekoranja@cosylab.com)

Field Summary

Fields

Modifier and Type	Field	Description
static ProcessVariableExistanceCompletion	ASYNC_COMPLETION	Deffered result (asynchronous operation), ProcessVariableExistanceCompletionCallback.processVariableExistanceTestCompleted() callback method method should be called to return completion.
static ProcessVariableExistanceCompletion	DOES_NOT_EXIST_HERE	Process variable does not exist.
static ProcessVariableExistanceCompletion	EXISTS_HERE	Process variable exists.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ProcessVariableExistanceCompletion(String name, InetSocketAddress addr)	Creates a new PV existance completion.

Method Summary

Modifier and Type	Method	Description
boolean	doesExistElsewhere()
static ProcessVariableExistanceCompletion	EXISTS_ELSEWHERE(InetSocketAddress addr)	Process variable exists at a different address, not this CA server.
InetSocketAddress	getOtherAddress()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

EXISTS_HERE

public static final ProcessVariableExistanceCompletion EXISTS_HERE

Process variable exists.

DOES_NOT_EXIST_HERE

public static final ProcessVariableExistanceCompletion DOES_NOT_EXIST_HERE

Process variable does not exist.

ASYNC_COMPLETION

public static final ProcessVariableExistanceCompletion ASYNC_COMPLETION

Deffered result (asynchronous operation), ProcessVariableExistanceCompletionCallback.processVariableExistanceTestCompleted() callback method method should be called to return completion.

Constructor Detail

ProcessVariableExistanceCompletion

protected ProcessVariableExistanceCompletion(String name,
                                             InetSocketAddress addr)

Creates a new PV existance completion. Contructor is protected to deny creation of unsupported types.

Parameters:

name - name of the completion.

addr - Address if exists elsewhere, otherwise null

Method Detail

EXISTS_ELSEWHERE

public static ProcessVariableExistanceCompletion EXISTS_ELSEWHERE(InetSocketAddress addr)

Process variable exists at a different address, not this CA server.

doesExistElsewhere

public boolean doesExistElsewhere()

Returns:

Does the PV exist elsewhere?

getOtherAddress

public InetSocketAddress getOtherAddress()

Returns:

Other address where PV does exist or null

toString

public String toString()

Overrides:

toString in class Object