Package com.inductiveautomation.ignition.common.tags.model.event

Interface TagChangeListener

All Superinterfaces:

EventListener

All Known Implementing Classes:

DataTypeFilteredProviderNode, DataTypesOnlyProviderNode, EditableProviderNode, ExpressionBindingTagListener, FilteredTagChangeListener, FolderNode, IndirectTagBindingAdapter, ProjectTagSubscriptionManager, PropertyNode, SimpleBoundTagAdapter, TagBrowseFolderNode, TagBrowseProviderNode, TagBrowserPanel.CachedInstanceMenu, TagFunction, TagListener, TagProviderNode, TagProviderNode.EmptyRootNode, TagReferenceBinder.SubscribedTagExpression, TagTreeNode, TypesFolderNode, VisionProjectTagProviderNode

public interface TagChangeListener
extends EventListener

An event listener that is notified when a tag changes

Method Summary

Modifier and Type	Method	Description
default SecurityContext	getSecurityContext()
default boolean	isLightweight()	If this function returns TRUE, it will not cause a tag to become leased when subscribed.
void	tagChanged(TagChangeEvent e)	Invoked when the tag has changed

Method Details

tagChanged

void tagChanged(TagChangeEvent e)
         throws InvalidListenerException

Invoked when the tag has changed

Parameters:

e - a ChangeEvent object

Throws:

InvalidListenerException

isLightweight

default boolean isLightweight()

If this function returns TRUE, it will not cause a tag to become leased when subscribed.

getSecurityContext

default SecurityContext getSecurityContext()

Returns:

the SecurityContext associated with this TagChangeListener