Package com.inductiveautomation.perspective.gateway.binding.expression

Class ExpressionBindingTagListener

java.lang.Object

com.inductiveautomation.ignition.common.expressions.TagListener

com.inductiveautomation.perspective.gateway.binding.expression.ExpressionBindingTagListener

All Implemented Interfaces:

TagChangeListener, EventListener

public class ExpressionBindingTagListener
extends TagListener

TagListener for Perspective ExpressionBindings.

Constructor Summary

Constructors

Constructor	Description
ExpressionBindingTagListener(BindingContext bindingContext, TagPath tagPath, QualifiedValue qv)	Primary constructor for creating new ExpressionBindingTagListener instances.

Method Summary

Modifier and Type	Method	Description
SecurityContext	getSecurityContext()
protected TagManager	getTagManager()
void	shutdown()
void	startup(CommonContext context, InteractionListener listener)

Methods inherited from class com.inductiveautomation.ignition.common.expressions.TagListener

_getTagPath, _setTagPath, getTagPath, getTagQualifiedValue, reSubscribe, setQValue, setQValue, setQValue, setTagPath, setTagQualifiedValue, setTagValue, tagChanged

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.inductiveautomation.ignition.common.tags.model.event.TagChangeListener

isLightweight

Constructor Details

ExpressionBindingTagListener

public ExpressionBindingTagListener(@Nonnull
 BindingContext bindingContext,
 @Nonnull
 TagPath tagPath,
 @Nonnull
 QualifiedValue qv)

Primary constructor for creating new ExpressionBindingTagListener instances. All arguments must be non-null.

Parameters:

bindingContext - The BindingContext in which the expression binding is running

tagPath - The TagPath of the tag we wish to listen to

qv - Initial tag value

See Also:

• TagListener(TagPath, QualifiedValue)

Method Details

getTagManager

protected TagManager getTagManager()

Overrides:

getTagManager in class TagListener

getSecurityContext

public SecurityContext getSecurityContext()

Returns:

the SecurityContext associated with this TagChangeListener

startup

public void startup(CommonContext context,
 InteractionListener listener)

Overrides:

startup in class TagListener

shutdown

public void shutdown()

Overrides:

shutdown in class TagListener