Uses of Package
io.druid.segment

Packages that use io.druid.segment

Package	Description
io.druid.benchmark.datagen
io.druid.benchmark.query
io.druid.indexer
io.druid.indexer.updater
io.druid.indexing.common
io.druid.indexing.common.index
io.druid.indexing.common.task
io.druid.indexing.firehose
io.druid.indexing.kafka
io.druid.indexing.kafka.supervisor
io.druid.query
io.druid.query.aggregation
io.druid.query.aggregation.cardinality
io.druid.query.aggregation.cardinality.types
io.druid.query.aggregation.datasketches.quantiles
io.druid.query.aggregation.datasketches.theta
io.druid.query.aggregation.distinctcount
io.druid.query.aggregation.first
io.druid.query.aggregation.histogram
io.druid.query.aggregation.hyperloglog
io.druid.query.aggregation.last
io.druid.query.aggregation.variance
io.druid.query.datasourcemetadata
io.druid.query.dimension
io.druid.query.filter
io.druid.query.groupby
io.druid.query.groupby.epinephelinae
io.druid.query.groupby.epinephelinae.column
io.druid.query.groupby.strategy
io.druid.query.metadata
io.druid.query.scan
io.druid.query.search
io.druid.query.select
io.druid.query.timeboundary
io.druid.query.timeseries
io.druid.query.topn
io.druid.query.topn.types
io.druid.segment
io.druid.segment.column
io.druid.segment.data
io.druid.segment.filter
io.druid.segment.historical
io.druid.segment.incremental
io.druid.segment.indexing
io.druid.segment.loading
io.druid.segment.realtime
io.druid.segment.realtime.appenderator
io.druid.segment.realtime.firehose
io.druid.segment.realtime.plumber
io.druid.segment.serde
io.druid.segment.virtual
io.druid.server
io.druid.sql.calcite.aggregation
io.druid.sql.calcite.rel

Classes in io.druid.segment used by io.druid.benchmark.datagen

Class and Description
QueryableIndex Direct interface to memory mapped segments.

Classes in io.druid.segment used by io.druid.benchmark.query

Class and Description
Segment

Classes in io.druid.segment used by io.druid.indexer

Class and Description
IndexIO
IndexMerger
IndexSpec IndexSpec defines segment storage format options to be used at indexing time, such as bitmap type, and column compression formats.
ProgressIndicator
QueryableIndex Direct interface to memory mapped segments.

Classes in io.druid.segment used by io.druid.indexer.updater

Class and Description
IndexIO
IndexMerger
IndexSpec IndexSpec defines segment storage format options to be used at indexing time, such as bitmap type, and column compression formats.

Classes in io.druid.segment used by io.druid.indexing.common

Class and Description
IndexIO
IndexMergerV9

Classes in io.druid.segment used by io.druid.indexing.common.index

Class and Description
IndexIO
IndexMergerV9

Classes in io.druid.segment used by io.druid.indexing.common.task

Class and Description
IndexSpec IndexSpec defines segment storage format options to be used at indexing time, such as bitmap type, and column compression formats.

Classes in io.druid.segment used by io.druid.indexing.firehose

Class and Description
IndexIO

Classes in io.druid.segment used by io.druid.indexing.kafka

Class and Description
IndexSpec IndexSpec defines segment storage format options to be used at indexing time, such as bitmap type, and column compression formats.

Classes in io.druid.segment used by io.druid.indexing.kafka.supervisor

Class and Description
IndexSpec IndexSpec defines segment storage format options to be used at indexing time, such as bitmap type, and column compression formats.

Classes in io.druid.segment used by io.druid.query

Class and Description
ColumnValueSelector Base type for interfaces that manage column value selection, e.g.
Cursor
ReferenceCountingSegment ReferenceCountingSegment allows to call ReferenceCountingSegment.close() before some other "users", which called ReferenceCountingSegment.increment(), has not called ReferenceCountingSegment.decrement() yet, and the wrapped Segment won't be actually closed until that.
Segment
StorageAdapter
VirtualColumn Virtual columns are "views" created over a ColumnSelectorFactory.
VirtualColumns Class allowing lookup and usage of virtual columns.

Classes in io.druid.segment used by io.druid.query.aggregation

Class and Description
BaseDoubleColumnValueSelector Double value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseFloatColumnValueSelector Float value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseLongColumnValueSelector Long value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseObjectColumnValueSelector Object value selecting polymorphic "part" of the ColumnValueSelector interface.
ColumnSelectorFactory Factory class for MetricSelectors
ColumnValueSelector Base type for interfaces that manage column value selection, e.g.
DoubleColumnSelector This interface is convenient for implementation of "double-sourcing" ColumnValueSelectors, it provides default implementations for all ColumnValueSelector's methods except BaseDoubleColumnValueSelector.getDouble().
LongColumnSelector This interface is convenient for implementation of "long-sourcing" ColumnValueSelectors, it provides default implementations for all ColumnValueSelector's methods except BaseLongColumnValueSelector.getLong().
ObjectColumnSelector This interface is convenient for implementation of "object-sourcing" ColumnValueSelectors, it provides default implementations for all ColumnValueSelector's methods except BaseObjectColumnValueSelector.getObject() and BaseObjectColumnValueSelector.classOfObject().

Classes in io.druid.segment used by io.druid.query.aggregation.cardinality

Class and Description
BaseDoubleColumnValueSelector Double value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseFloatColumnValueSelector Float value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseLongColumnValueSelector Long value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseObjectColumnValueSelector Object value selecting polymorphic "part" of the ColumnValueSelector interface.
ColumnSelectorFactory Factory class for MetricSelectors
ColumnValueSelector Base type for interfaces that manage column value selection, e.g.
ObjectColumnSelector This interface is convenient for implementation of "object-sourcing" ColumnValueSelectors, it provides default implementations for all ColumnValueSelector's methods except BaseObjectColumnValueSelector.getObject() and BaseObjectColumnValueSelector.classOfObject().

Classes in io.druid.segment used by io.druid.query.aggregation.cardinality.types

Class and Description
BaseDoubleColumnValueSelector Double value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseFloatColumnValueSelector Float value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseLongColumnValueSelector Long value selecting polymorphic "part" of the ColumnValueSelector interface.
ColumnValueSelector Base type for interfaces that manage column value selection, e.g.
DimensionSelector

Classes in io.druid.segment used by io.druid.query.aggregation.datasketches.quantiles

Class and Description
ColumnSelectorFactory Factory class for MetricSelectors
ColumnValueSelector Base type for interfaces that manage column value selection, e.g.
GenericColumnSerializer

Classes in io.druid.segment used by io.druid.query.aggregation.datasketches.theta

Class and Description
BaseObjectColumnValueSelector Object value selecting polymorphic "part" of the ColumnValueSelector interface.
ColumnSelectorFactory Factory class for MetricSelectors
GenericColumnSerializer

Classes in io.druid.segment used by io.druid.query.aggregation.distinctcount

Class and Description
ColumnSelectorFactory Factory class for MetricSelectors
DimensionSelector

Classes in io.druid.segment used by io.druid.query.aggregation.first

Class and Description
BaseDoubleColumnValueSelector Double value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseFloatColumnValueSelector Float value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseLongColumnValueSelector Long value selecting polymorphic "part" of the ColumnValueSelector interface.
ColumnSelectorFactory Factory class for MetricSelectors

Classes in io.druid.segment used by io.druid.query.aggregation.histogram

Class and Description
BaseFloatColumnValueSelector Float value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseObjectColumnValueSelector Object value selecting polymorphic "part" of the ColumnValueSelector interface.
ColumnSelectorFactory Factory class for MetricSelectors
GenericColumnSerializer

Classes in io.druid.segment used by io.druid.query.aggregation.hyperloglog

Class and Description
BaseObjectColumnValueSelector Object value selecting polymorphic "part" of the ColumnValueSelector interface.
ColumnSelectorFactory Factory class for MetricSelectors
GenericColumnSerializer

Classes in io.druid.segment used by io.druid.query.aggregation.last

Class and Description
BaseDoubleColumnValueSelector Double value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseFloatColumnValueSelector Float value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseLongColumnValueSelector Long value selecting polymorphic "part" of the ColumnValueSelector interface.
ColumnSelectorFactory Factory class for MetricSelectors

Classes in io.druid.segment used by io.druid.query.aggregation.variance

Class and Description
BaseFloatColumnValueSelector Float value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseLongColumnValueSelector Long value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseObjectColumnValueSelector Object value selecting polymorphic "part" of the ColumnValueSelector interface.
ColumnSelectorFactory Factory class for MetricSelectors
GenericColumnSerializer

Classes in io.druid.segment used by io.druid.query.datasourcemetadata

Class and Description
Segment

Classes in io.druid.segment used by io.druid.query.dimension

Class and Description
ColumnValueSelector Base type for interfaces that manage column value selection, e.g.
DimensionSelector

Classes in io.druid.segment used by io.druid.query.filter

Class and Description
BaseDoubleColumnValueSelector Double value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseFloatColumnValueSelector Float value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseLongColumnValueSelector Long value selecting polymorphic "part" of the ColumnValueSelector interface.
ColumnSelector
ColumnSelectorFactory Factory class for MetricSelectors
ColumnValueSelector Base type for interfaces that manage column value selection, e.g.
DimensionSelector

Classes in io.druid.segment used by io.druid.query.groupby

Class and Description
ColumnSelectorFactory Factory class for MetricSelectors
ColumnValueSelector Base type for interfaces that manage column value selection, e.g.
DimensionSelector
Segment
StorageAdapter
VirtualColumn Virtual columns are "views" created over a ColumnSelectorFactory.
VirtualColumns Class allowing lookup and usage of virtual columns.

Classes in io.druid.segment used by io.druid.query.groupby.epinephelinae

Class and Description
ColumnSelectorFactory Factory class for MetricSelectors
StorageAdapter

Classes in io.druid.segment used by io.druid.query.groupby.epinephelinae.column

Class and Description
ColumnValueSelector Base type for interfaces that manage column value selection, e.g.

Classes in io.druid.segment used by io.druid.query.groupby.strategy

Class and Description
StorageAdapter

Classes in io.druid.segment used by io.druid.query.metadata

Class and Description
Segment

Classes in io.druid.segment used by io.druid.query.scan

Class and Description
Segment
VirtualColumn Virtual columns are "views" created over a ColumnSelectorFactory.
VirtualColumns Class allowing lookup and usage of virtual columns.

Classes in io.druid.segment used by io.druid.query.search

Class and Description
BaseDoubleColumnValueSelector Double value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseFloatColumnValueSelector Float value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseLongColumnValueSelector Long value selecting polymorphic "part" of the ColumnValueSelector interface.
DimensionSelector
QueryableIndex Direct interface to memory mapped segments.
Segment

Classes in io.druid.segment used by io.druid.query.select

Class and Description
BaseDoubleColumnValueSelector Double value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseFloatColumnValueSelector Float value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseLongColumnValueSelector Long value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseObjectColumnValueSelector Object value selecting polymorphic "part" of the ColumnValueSelector interface.
ColumnValueSelector Base type for interfaces that manage column value selection, e.g.
DimensionSelector
Segment
VirtualColumns Class allowing lookup and usage of virtual columns.

Classes in io.druid.segment used by io.druid.query.timeboundary

Class and Description
Segment

Classes in io.druid.segment used by io.druid.query.timeseries

Class and Description
Segment
StorageAdapter
VirtualColumns Class allowing lookup and usage of virtual columns.

Classes in io.druid.segment used by io.druid.query.topn

Class and Description
Capabilities
ColumnValueSelector Base type for interfaces that manage column value selection, e.g.
Cursor
DimensionSelector
Segment
StorageAdapter
VirtualColumn Virtual columns are "views" created over a ColumnSelectorFactory.
VirtualColumns Class allowing lookup and usage of virtual columns.

Classes in io.druid.segment used by io.druid.query.topn.types

Class and Description
Capabilities
ColumnValueSelector Base type for interfaces that manage column value selection, e.g.
Cursor
DimensionSelector

Classes in io.druid.segment used by io.druid.segment

Class and Description
AbstractSegment
BaseDoubleColumnValueSelector Double value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseFloatColumnValueSelector Float value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseLongColumnValueSelector Long value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseObjectColumnValueSelector Object value selecting polymorphic "part" of the ColumnValueSelector interface.
BitmapOffset
Capabilities
Capabilities.CapabilitiesBuilder
ColumnSelector
ColumnSelectorFactory Factory class for MetricSelectors
ColumnValueSelector Base type for interfaces that manage column value selection, e.g.
Cursor
CursorFactory
DimensionHandler Processing related interface A DimensionHandler is an object that encapsulates indexing, column merging/building, and querying operations for a given dimension type (e.g., dict-encoded String, Long).
DimensionIndexer Processing related interface A DimensionIndexer is a per-dimension stateful object that encapsulates type-specific operations and data structures used during the in-memory ingestion process (i.e., work done by IncrementalIndex).
DimensionMerger Processing related interface A DimensionMerger is a per-dimension stateful object that encapsulates type-specific operations and data structures used during the segment merging process (i.e., work done by IndexMerger/IndexMergerV9).
DimensionMergerV9 Processing related interface DimensionMerger subclass to be used with IndexMergerV9.
DimensionSelector
DoubleColumnSerializer
FloatColumnSerializer
GenericColumnSerializer
IdLookup "Mixin" for DimensionSelector.
IndexableAdapter An adapter to an index
IndexIO
IndexMerger
IndexMerger.IndexSeeker
IndexSpec IndexSpec defines segment storage format options to be used at indexing time, such as bitmap type, and column compression formats.
LongColumnSerializer Unsafe for concurrent use from multiple threads.
Metadata
MetricHolder
MetricHolder.MetricType
MMappedIndex
NilColumnValueSelector Represents "absent" column.
NullDimensionSelector
ProgressIndicator
QueryableIndex Direct interface to memory mapped segments.
QueryableIndexStorageAdapter.TimestampCheckingOffset
Rowboat
Segment
SegmentValidationException
StorageAdapter
StringDimensionMergerV9.IndexSeeker
VirtualColumn Virtual columns are "views" created over a ColumnSelectorFactory.
VirtualColumns Class allowing lookup and usage of virtual columns.

Classes in io.druid.segment used by io.druid.segment.column

Class and Description
ColumnValueSelector Base type for interfaces that manage column value selection, e.g.
DimensionSelector

Classes in io.druid.segment used by io.druid.segment.data

Class and Description
ColumnValueSelector Base type for interfaces that manage column value selection, e.g.

Classes in io.druid.segment used by io.druid.segment.filter

Class and Description
BaseLongColumnValueSelector Long value selecting polymorphic "part" of the ColumnValueSelector interface.
ColumnSelector
ColumnSelectorFactory Factory class for MetricSelectors

Classes in io.druid.segment used by io.druid.segment.historical

Class and Description
BaseDoubleColumnValueSelector Double value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseFloatColumnValueSelector Float value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseLongColumnValueSelector Long value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseObjectColumnValueSelector Object value selecting polymorphic "part" of the ColumnValueSelector interface.
ColumnValueSelector Base type for interfaces that manage column value selection, e.g.
Cursor
DimensionSelector

Classes in io.druid.segment used by io.druid.segment.incremental

Class and Description
Capabilities
ColumnSelectorFactory Factory class for MetricSelectors
ColumnValueSelector Base type for interfaces that manage column value selection, e.g.
Cursor
CursorFactory
DimensionHandler Processing related interface A DimensionHandler is an object that encapsulates indexing, column merging/building, and querying operations for a given dimension type (e.g., dict-encoded String, Long).
DimensionIndexer Processing related interface A DimensionIndexer is a per-dimension stateful object that encapsulates type-specific operations and data structures used during the in-memory ingestion process (i.e., work done by IncrementalIndex).
IndexableAdapter An adapter to an index
Metadata
Rowboat
StorageAdapter
VirtualColumns Class allowing lookup and usage of virtual columns.

Classes in io.druid.segment used by io.druid.segment.indexing

Class and Description
IndexSpec IndexSpec defines segment storage format options to be used at indexing time, such as bitmap type, and column compression formats.

Classes in io.druid.segment used by io.druid.segment.loading

Class and Description
IndexIO
Segment

Classes in io.druid.segment used by io.druid.segment.realtime

Class and Description
ReferenceCountingSegment ReferenceCountingSegment allows to call ReferenceCountingSegment.close() before some other "users", which called ReferenceCountingSegment.increment(), has not called ReferenceCountingSegment.decrement() yet, and the wrapped Segment won't be actually closed until that.
Segment

Classes in io.druid.segment used by io.druid.segment.realtime.appenderator

Class and Description
IndexIO
IndexMerger
IndexSpec IndexSpec defines segment storage format options to be used at indexing time, such as bitmap type, and column compression formats.

Classes in io.druid.segment used by io.druid.segment.realtime.firehose

Class and Description
StorageAdapter

Classes in io.druid.segment used by io.druid.segment.realtime.plumber

Class and Description
IndexIO
IndexMerger
IndexMergerV9

Classes in io.druid.segment used by io.druid.segment.serde

Class and Description
DoubleColumnSerializer
FloatColumnSerializer
GenericColumnSerializer
LongColumnSerializer Unsafe for concurrent use from multiple threads.

Classes in io.druid.segment used by io.druid.segment.virtual

Class and Description
BaseDoubleColumnValueSelector Double value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseFloatColumnValueSelector Float value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseLongColumnValueSelector Long value selecting polymorphic "part" of the ColumnValueSelector interface.
BaseObjectColumnValueSelector Object value selecting polymorphic "part" of the ColumnValueSelector interface.
ColumnSelectorFactory Factory class for MetricSelectors
ColumnValueSelector Base type for interfaces that manage column value selection, e.g.
DimensionSelector
IdLookup "Mixin" for DimensionSelector.
VirtualColumn Virtual columns are "views" created over a ColumnSelectorFactory.
VirtualColumns Class allowing lookup and usage of virtual columns.

Classes in io.druid.segment used by io.druid.server

Class and Description
ReferenceCountingSegment ReferenceCountingSegment allows to call ReferenceCountingSegment.close() before some other "users", which called ReferenceCountingSegment.increment(), has not called ReferenceCountingSegment.decrement() yet, and the wrapped Segment won't be actually closed until that.

Classes in io.druid.segment used by io.druid.sql.calcite.aggregation

Class and Description
VirtualColumn Virtual columns are "views" created over a ColumnSelectorFactory.

Classes in io.druid.segment used by io.druid.sql.calcite.rel

Class and Description
VirtualColumn Virtual columns are "views" created over a ColumnSelectorFactory.
VirtualColumns Class allowing lookup and usage of virtual columns.