Uses of Package
io.druid.segment

Packages that use io.druid.segment

Package	Description
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.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.search.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.filter
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

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
IndexMergerV9
IndexSpec IndexSpec defines segment storage format options to be used at indexing time, such as bitmap type, and column compression formats.
ProgressIndicator
QueryableIndex

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
IndexMerger
IndexMergerV9

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

Class and Description
IndexIO
IndexMerger
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
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
ColumnSelectorFactory Factory class for MetricSelectors
FloatColumnSelector An object that gets a metric value.
LongColumnSelector
ObjectColumnSelector

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

Class and Description
ColumnSelectorFactory Factory class for MetricSelectors

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

Class and Description
ColumnValueSelector Base type for interfaces that manage column value selection, e.g.
DimensionSelector
FloatColumnSelector An object that gets a metric value.
LongColumnSelector

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

Class and Description
ColumnSelectorFactory Factory class for MetricSelectors
GenericColumnSerializer
ObjectColumnSelector

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
ColumnSelectorFactory Factory class for MetricSelectors
FloatColumnSelector An object that gets a metric value.
LongColumnSelector

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

Class and Description
ColumnSelectorFactory Factory class for MetricSelectors
FloatColumnSelector An object that gets a metric value.
GenericColumnSerializer
ObjectColumnSelector

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

Class and Description
ColumnSelectorFactory Factory class for MetricSelectors
GenericColumnSerializer
ObjectColumnSelector

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

Class and Description
ColumnSelectorFactory Factory class for MetricSelectors
FloatColumnSelector An object that gets a metric value.
LongColumnSelector

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

Class and Description
ColumnSelectorFactory Factory class for MetricSelectors
FloatColumnSelector An object that gets a metric value.
GenericColumnSerializer
LongColumnSelector
ObjectColumnSelector

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
ColumnSelector
ColumnSelectorFactory Factory class for MetricSelectors
ColumnValueSelector Base type for interfaces that manage column value selection, e.g.
DimensionSelector
FloatColumnSelector An object that gets a metric value.
LongColumnSelector

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

Class and Description
ColumnSelectorFactory Factory class for MetricSelectors
DimensionSelector
FloatColumnSelector An object that gets a metric value.
LongColumnSelector
ObjectColumnSelector
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

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

Class and Description
ColumnValueSelector Base type for interfaces that manage column value selection, e.g.
DimensionSelector
FloatColumnSelector An object that gets a metric value.
LongColumnSelector
Segment

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

Class and Description
QueryableIndex
Segment

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

Class and Description
ColumnValueSelector Base type for interfaces that manage column value selection, e.g.
DimensionSelector
FloatColumnSelector An object that gets a metric value.
LongColumnSelector
ObjectColumnSelector
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
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
FloatColumnSelector An object that gets a metric value.
LongColumnSelector

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

Class and Description
AbstractSegment
BaseProgressIndicator
Capabilities
Capabilities.CapabilitiesBuilder
ColumnSelector
ColumnSelectorFactory Factory class for MetricSelectors
ColumnValueSelector Base type for interfaces that manage column value selection, e.g.
CompressedVSizeIndexedSupplier Format - byte 1 - version offsets - indexed integers of length num of rows + 1 representing offsets of starting index of first element of each row in values index and last element equal to length of values column, the last element in the offsets represents the total length of values column.
CompressedVSizeIndexedV3Supplier The format is mostly the same with CompressedVSizeIndexedSupplier(which has version 0x2, so we call it V2), the only difference is V3's offsets is not VSize encoded, it's just compressed.
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).
DimensionMergerLegacy Processing related interface DimensionMerger subclass to be used with the legacy IndexMerger.
DimensionMergerV9 Processing related interface DimensionMerger subclass to be used with IndexMergerV9.
DimensionSelector
FloatColumnSelector An object that gets a metric value.
FloatColumnSerializer
FloatDimensionMergerV9
GenericColumnSerializer
IdLookup "Mixin" for DimensionSelector.
IndexableAdapter An adapter to an index
IndexIO
IndexIO.DefaultIndexIOHandler
IndexMerger
IndexSpec IndexSpec defines segment storage format options to be used at indexing time, such as bitmap type, and column compression formats.
LongColumnSelector
LongColumnSerializer
LongDimensionMergerV9
Metadata
MetricColumnSerializer
MetricHolder
MetricHolder.MetricType
MMappedIndex
NullDimensionSelector
NullStringObjectColumnSelector
ObjectColumnSelector
ProgressIndicator
QueryableIndex
Rowboat
Segment
SegmentValidationException
StorageAdapter
StringDimensionMergerV9
StringDimensionMergerV9.IndexSeeker
VirtualColumn Virtual columns are "views" created over a ColumnSelectorFactory.
VirtualColumns Class allowing lookup and usage of virtual columns.
ZeroFloatColumnSelector
ZeroLongColumnSelector

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

Class and Description
ColumnSelector
ColumnSelectorFactory Factory class for MetricSelectors
LongColumnSelector

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

Class and Description
Capabilities
ColumnSelectorFactory Factory class for MetricSelectors
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
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
CompressedVSizeIndexedSupplier Format - byte 1 - version offsets - indexed integers of length num of rows + 1 representing offsets of starting index of first element of each row in values index and last element equal to length of values column, the last element in the offsets represents the total length of values column.
FloatColumnSerializer
GenericColumnSerializer
LongColumnSerializer
MetricColumnSerializer

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

Class and Description
ColumnSelectorFactory Factory class for MetricSelectors
ColumnValueSelector Base type for interfaces that manage column value selection, e.g.
DimensionSelector
FloatColumnSelector An object that gets a metric value.
IdLookup "Mixin" for DimensionSelector.
LongColumnSelector
ObjectColumnSelector
VirtualColumn Virtual columns are "views" created over a ColumnSelectorFactory.
VirtualColumns Class allowing lookup and usage of virtual columns.