org.apache.druid.query.lookup

Interface LookupExtractorFactoryContainerProvider

public interface LookupExtractorFactoryContainerProvider

Provides LookupExtractorFactoryContainer to query and indexing time dimension transformations. The most important production implementation is LookupReferencesManager.

Method Summary

Modifier and Type	Method and Description
Optional<LookupExtractorFactoryContainer>	get(String lookupName) Returns a lookup container for the provided lookupName, if it exists.
Set<String>	getAllLookupNames() Returns the set of all lookup names that get(java.lang.String) can return containers for.

Method Detail

getAllLookupNames

Set<String> getAllLookupNames()

Returns the set of all lookup names that get(java.lang.String) can return containers for. Note that because the underlying set of valid lookups might change over time, it is not guaranteed that calling get(java.lang.String) on the results will actually yield a container (it might have been removed).

get

Optional<LookupExtractorFactoryContainer> get(String lookupName)

Returns a lookup container for the provided lookupName, if it exists.