Package com.inductiveautomation.gateway.tags.history.query

Class LegacyTagHistoryProvider

java.lang.Object

com.inductiveautomation.gateway.tags.history.query.LegacyTagHistoryProvider

All Implemented Interfaces:

TagHistoryProvider

public class LegacyTagHistoryProvider
extends java.lang.Object
implements TagHistoryProvider

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	LegacyTagHistoryProvider.ProviderId

Constructor Summary

Constructors

Constructor	Description
LegacyTagHistoryProvider(GatewayContext context, TagHistoryProviderRecord profile, LegacyTagHistorianSettingsRecord settings)

Method Summary

Modifier and Type	Method	Description
Results	browse(QualifiedPath root, BrowseFilter filter)
HistoryQueryExecutor	createQuery(java.util.List<ColumnQueryDefinition> cols, QueryController controller)
java.util.List<Aggregate>	getAvailableAggregates()	Returns a list of aggregate functions that can be used with the server.
java.lang.String	getName()
ProfileStatus	getStatus()
TagHistoryProviderInformation	getStatusInformation()
protected java.util.List<TagPath>	loadAllTags()
TimelineSet	queryDensity(java.util.List<QualifiedPath> paths, java.util.Date start, java.util.Date end, java.lang.String queryId)
void	shutdown()
void	startup()

Methods inherited from class java.lang.Object

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

Constructor Detail

LegacyTagHistoryProvider

public LegacyTagHistoryProvider(GatewayContext context,
                                TagHistoryProviderRecord profile,
                                LegacyTagHistorianSettingsRecord settings)

Method Detail

startup

public void startup()

Specified by:

startup in interface TagHistoryProvider

shutdown

public void shutdown()

Specified by:

shutdown in interface TagHistoryProvider

getName

public java.lang.String getName()

Specified by:

getName in interface TagHistoryProvider

getStatus

public ProfileStatus getStatus()

Specified by:

getStatus in interface TagHistoryProvider

getStatusInformation

public TagHistoryProviderInformation getStatusInformation()

Specified by:

getStatusInformation in interface TagHistoryProvider

getAvailableAggregates

public java.util.List<Aggregate> getAvailableAggregates()

Description copied from interface: TagHistoryProvider

Returns a list of aggregate functions that can be used with the server. Only expected to be valid if the server is enabled and available. Also, should only return null if the aggregates can not be retrieved for some reason. If the server simply does not support any aggregate functions, an empty list should be returned.

Specified by:

getAvailableAggregates in interface TagHistoryProvider

createQuery

public HistoryQueryExecutor createQuery(java.util.List<ColumnQueryDefinition> cols,
                                        QueryController controller)

Specified by:

createQuery in interface TagHistoryProvider

loadAllTags

protected java.util.List<TagPath> loadAllTags()

browse

public Results browse(QualifiedPath root,
                      BrowseFilter filter)

Specified by:

browse in interface TagHistoryProvider

queryDensity

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

Specified by:

queryDensity in interface TagHistoryProvider

Throws:

java.lang.Exception