Uses of Interface
org.apache.druid.segment.ReferenceCountedObject

Packages that use ReferenceCountedObject

Package	Description
org.apache.druid.segment
org.apache.druid.segment.join
org.apache.druid.segment.join.lookup
org.apache.druid.segment.join.table

Uses of ReferenceCountedObject in org.apache.druid.segment

Subinterfaces of ReferenceCountedObject in org.apache.druid.segment

Modifier and Type	Interface	Description
interface	SegmentReference	A Segment with a associated references, such as ReferenceCountingSegment where the reference is the segment itself, and HashJoinSegment which wraps a ReferenceCountingSegment and also includes the associated list of JoinableClause

Classes in org.apache.druid.segment that implement ReferenceCountedObject

Modifier and Type	Class	Description
class	FilteredSegment
class	ReferenceCountingSegment	Segment that is also a ReferenceCountingSegment, allowing query engines that operate directly on segments to track references so that dropping a Segment can be done safely to ensure there are no in-flight queries.
class	RestrictedSegment	A SegmentReference wrapper with a Policy restriction that is automatically enforced.
class	UnnestSegment
class	WrappedSegmentReference	Simple SegmentReference implementation for a segment that wraps a base segment such as UnnestSegment or FilteredSegment

Uses of ReferenceCountedObject in org.apache.druid.segment.join

Subinterfaces of ReferenceCountedObject in org.apache.druid.segment.join

Modifier and Type	Interface	Description
interface	Joinable	Represents something that can be the right-hand side of a join.

Classes in org.apache.druid.segment.join that implement ReferenceCountedObject

Modifier and Type	Class	Description
class	HashJoinSegment	Represents a deep, left-heavy join of a left-hand side baseSegment onto a series of right-hand side clauses.
class	JoinableClause	Represents everything about a join clause except for the left-hand datasource.

Uses of ReferenceCountedObject in org.apache.druid.segment.join.lookup

Classes in org.apache.druid.segment.join.lookup that implement ReferenceCountedObject

Modifier and Type	Class	Description
class	LookupJoinable

Uses of ReferenceCountedObject in org.apache.druid.segment.join.table

Subinterfaces of ReferenceCountedObject in org.apache.druid.segment.join.table

Modifier and Type	Interface	Description
interface	IndexedTable	An interface to a table where some columns (the 'key columns') have indexes that enable fast lookups.

Classes in org.apache.druid.segment.join.table that implement ReferenceCountedObject

Modifier and Type	Class	Description
class	BroadcastSegmentIndexedTable
class	FrameBasedIndexedTable
class	IndexedTableJoinable
class	ReferenceCountingIndexedTable
class	RowBasedIndexedTable<RowType>	An IndexedTable composed of a List-based table and Map-based indexes.