Package com.yahoo.bard.webservice.metadata

Interface Summary

Interface	Description
QuerySigningService<T>	Defines the interface of a service that can hold the segment metadata of physical tables.
RequestedIntervalsFunction	RequestedIntervalsFunction is an implementation of Function that takes a DruidAggregationQuery and returns a SimplifiedIntervalList.

Class Summary

Class	Description
DataSourceMetadata	The segment metadata from a particular physical table/druid data source.
DataSourceMetadataLoadTask	Datasource metadata loader sends requests to the druid datasource metadata endpoint ('datasources') and returns the lists of available data segments for each datasource.
DataSourceMetadataService	Defines a wrapper class around the container that holds the segment metadata of all the physical tables.
RegisteredLookupMetadataLoadTask	Lookup Load task sends requests to Druid coordinator and returns load statuses of lookup metadata in Druid.
SegmentInfo	A class that holds the useful information of a partition of a druid segment in bard.
SegmentIntervalsHashIdGenerator	An implementation of the QuerySigningService that generates segment id for requested interval.
SegmentMetadata	The segment metadata from a particular physical table/druid data source.
TimeBoundaryResponse	Represents a druid timeBoundary response.