com.inductiveautomation.ignition.gateway.sqltags.history

Interface GatewayTagHistoryManager

All Superinterfaces:

ExtensionPointManager, TagHistoryManager

public interface GatewayTagHistoryManager
extends ExtensionPointManager, TagHistoryManager

Method Summary

Modifier and Type	Method and Description
void	addTagHistoryProviderType(TagHistoryProviderType type) Adds a new kind of SQLTag history provider to the system.
TagHistoryProvider	getTagHistoryProvider(java.lang.String name) Returns the tag history provider specified, or null if the provider doesn't exist.
TimelineSet	queryDensity(java.util.List<QualifiedPath> paths, java.util.Date start, java.util.Date end)
void	registerTagHistoryProvider(TagHistoryProvider provider) Allows modules to register new tag history providers.
void	removeTagHistoryProviderType(TagHistoryProviderType type) Removes a type of SQLTag history provider from the system
void	unregisterTagHistoryProvider(java.lang.String name) Stops and unregisters the specified tag history manager.

Methods inherited from interface com.inductiveautomation.ignition.gateway.model.ExtensionPointManager

getExtensionPoint, getExtensionPoints

Methods inherited from interface com.inductiveautomation.ignition.gateway.sqltags.history.TagHistoryManager

browseHistoricalTags, getTagHistoryProviders, queryHistory, queryHistoryDensity

Method Detail

addTagHistoryProviderType

void addTagHistoryProviderType(TagHistoryProviderType type)
                        throws java.lang.Exception

Adds a new kind of SQLTag history provider to the system.

Throws:

java.lang.Exception

removeTagHistoryProviderType

void removeTagHistoryProviderType(TagHistoryProviderType type)
                           throws java.lang.Exception

Removes a type of SQLTag history provider from the system

Throws:

java.lang.Exception

registerTagHistoryProvider

void registerTagHistoryProvider(TagHistoryProvider provider)

Allows modules to register new tag history providers. Generally tag history managers should be managed through the Extension Point system, but occasionally a module may want to manage how tag history providers are instantiated.

unregisterTagHistoryProvider

void unregisterTagHistoryProvider(java.lang.String name)

Stops and unregisters the specified tag history manager. Should only be used by modules who are manually controller provider registration using the corresponding registerTagHistoryProvider function. In other words, do not use if using the Extension Point system.

getTagHistoryProvider

TagHistoryProvider getTagHistoryProvider(java.lang.String name)

Returns the tag history provider specified, or null if the provider doesn't exist.

queryDensity

TimelineSet queryDensity(java.util.List<QualifiedPath> paths,
                         java.util.Date start,
                         java.util.Date end)
                  throws java.lang.Exception

Throws:

java.lang.Exception