Package org.apache.plc4x.java.opcua.protocol

Class OpcuaSubscriptionHandle

java.lang.Object

org.apache.plc4x.java.spi.model.DefaultPlcSubscriptionHandle

org.apache.plc4x.java.opcua.protocol.OpcuaSubscriptionHandle

All Implemented Interfaces:

PlcSubscriptionHandle

public class OpcuaSubscriptionHandle
extends DefaultPlcSubscriptionHandle

Constructor Summary

Constructors

Constructor	Description
OpcuaSubscriptionHandle(ConversationContext<OpcuaAPU> context, OpcuaProtocolLogic plcSubscriber, SecureChannel channel, PlcSubscriptionRequest subscriptionRequest, Long subscriptionId, long cycleTime)

Method Summary

Modifier and Type	Method	Description
PlcConsumerRegistration	register(Consumer<PlcSubscriptionEvent> consumer)	Registers a new Consumer, this allows multiple PLC4X consumers to use the same subscription.
void	startSubscriber()	Main subscriber loop.
void	stopSubscriber()	Stop the subscriber either on disconnect or on error

Methods inherited from class org.apache.plc4x.java.spi.model.DefaultPlcSubscriptionHandle

equals, hashCode, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

OpcuaSubscriptionHandle

public OpcuaSubscriptionHandle(ConversationContext<OpcuaAPU> context,
 OpcuaProtocolLogic plcSubscriber,
 SecureChannel channel,
 PlcSubscriptionRequest subscriptionRequest,
 Long subscriptionId,
 long cycleTime)

Method Details

startSubscriber

public void startSubscriber()

Main subscriber loop. For subscription we still need to send a request the server on every cycle. Which includes a request for an update of the previsouly agreed upon list of tags. The server will respond at most once every cycle.

stopSubscriber

public void stopSubscriber()

Stop the subscriber either on disconnect or on error

register

public PlcConsumerRegistration register(Consumer<PlcSubscriptionEvent> consumer)

Registers a new Consumer, this allows multiple PLC4X consumers to use the same subscription.

Specified by:

register in interface PlcSubscriptionHandle

Overrides:

register in class DefaultPlcSubscriptionHandle

Parameters:

consumer - - Consumer to be used to send any returned values.

Returns:

PlcConsumerRegistration - return the important information back to the client.