Package org.apache.druid.segment

Class SimpleQueryableIndex

java.lang.Object

org.apache.druid.segment.SimpleQueryableIndex

All Implemented Interfaces:

Closeable, AutoCloseable, Expr.InputBindingInspector, ColumnInspector, QueryableIndex

public abstract class SimpleQueryableIndex
extends Object
implements QueryableIndex

Field Summary

Fields

Modifier and Type	Field	Description
static final com.google.common.collect.Interner<List<OrderBy>>	ORDERING_INTERNER

Constructor Summary

Constructors

Constructor	Description
SimpleQueryableIndex(org.joda.time.Interval dataInterval, Indexed<String> dimNames, BitmapFactory bitmapFactory, Map<String,com.google.common.base.Supplier<BaseColumnHolder>> columns, SegmentFileMapper fileMapper)
SimpleQueryableIndex(org.joda.time.Interval dataInterval, Indexed<String> dimNames, BitmapFactory bitmapFactory, Map<String,com.google.common.base.Supplier<BaseColumnHolder>> columns, SegmentFileMapper fileMapper, Metadata metadata, Map<String,Map<String,com.google.common.base.Supplier<BaseColumnHolder>>> projectionColumns)

Method Summary

Modifier and Type	Method	Description
void	close()	The close method shouldn't actually be here as this is nasty.
Indexed<String>	getAvailableDimensions()	List of dimensions, not including ColumnHolder.TIME_COLUMN_NAME.
BitmapFactory	getBitmapFactoryForDimensions()
BaseColumnHolder	getColumnHolder(String columnName)
List<String>	getColumnNames()
Map<String,com.google.common.base.Supplier<BaseColumnHolder>>	getColumns()
org.joda.time.Interval	getDataInterval()
Map<String,DimensionHandler>	getDimensionHandlers()	Map of column name to DimensionHandler, whose contents and iteration order matches QueryableIndex.getAvailableDimensions().
SegmentFileMapper	getFileMapper()
abstract Metadata	getMetadata()
int	getNumRows()
List<OrderBy>	getOrdering()	Returns the ordering of rows in this index.
QueryableProjection<QueryableIndex>	getProjection(CursorBuildSpec cursorBuildSpec)
QueryableIndex	getProjectionQueryableIndex(String name)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.druid.segment.ColumnInspector

getType

Methods inherited from interface org.apache.druid.math.expr.Expr.InputBindingInspector

areNumeric, areNumeric, areSameTypes, areSameTypes, areScalar, areScalar, canVectorize, canVectorize

Methods inherited from interface org.apache.druid.segment.QueryableIndex

getColumnCapabilities

Field Details

ORDERING_INTERNER

public static final com.google.common.collect.Interner<List<OrderBy>> ORDERING_INTERNER

Constructor Details

SimpleQueryableIndex

public SimpleQueryableIndex(org.joda.time.Interval dataInterval,
 Indexed<String> dimNames,
 BitmapFactory bitmapFactory,
 Map<String,com.google.common.base.Supplier<BaseColumnHolder>> columns,
 SegmentFileMapper fileMapper)

SimpleQueryableIndex

public SimpleQueryableIndex(org.joda.time.Interval dataInterval,
 Indexed<String> dimNames,
 BitmapFactory bitmapFactory,
 Map<String,com.google.common.base.Supplier<BaseColumnHolder>> columns,
 SegmentFileMapper fileMapper,
 @Nullable
 Metadata metadata,
 @Nullable
 Map<String,Map<String,com.google.common.base.Supplier<BaseColumnHolder>>> projectionColumns)

Method Details

getDataInterval

public org.joda.time.Interval getDataInterval()

Specified by:

getDataInterval in interface QueryableIndex

getNumRows

public int getNumRows()

Specified by:

getNumRows in interface QueryableIndex

getColumnNames

public List<String> getColumnNames()

Specified by:

getColumnNames in interface QueryableIndex

getAvailableDimensions

public Indexed<String> getAvailableDimensions()

Description copied from interface: QueryableIndex

List of dimensions, not including ColumnHolder.TIME_COLUMN_NAME.

Specified by:

getAvailableDimensions in interface QueryableIndex

getOrdering

public List<OrderBy> getOrdering()

Description copied from interface: QueryableIndex

Returns the ordering of rows in this index.

Specified by:

getOrdering in interface QueryableIndex

getBitmapFactoryForDimensions

public BitmapFactory getBitmapFactoryForDimensions()

Specified by:

getBitmapFactoryForDimensions in interface QueryableIndex

getColumnHolder

@Nullable
public BaseColumnHolder getColumnHolder(String columnName)

Specified by:

getColumnHolder in interface QueryableIndex

getColumns

public Map<String,com.google.common.base.Supplier<BaseColumnHolder>> getColumns()

getFileMapper

public SegmentFileMapper getFileMapper()

close

public void close()

Description copied from interface: QueryableIndex

The close method shouldn't actually be here as this is nasty. We will adjust it in the future.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface QueryableIndex

getMetadata

public abstract Metadata getMetadata()

Specified by:

getMetadata in interface QueryableIndex

getDimensionHandlers

public Map<String,DimensionHandler> getDimensionHandlers()

Description copied from interface: QueryableIndex

Map of column name to DimensionHandler, whose contents and iteration order matches QueryableIndex.getAvailableDimensions().

Specified by:

getDimensionHandlers in interface QueryableIndex

getProjection

@Nullable
public QueryableProjection<QueryableIndex> getProjection(CursorBuildSpec cursorBuildSpec)

Specified by:

getProjection in interface QueryableIndex

getProjectionQueryableIndex

public QueryableIndex getProjectionQueryableIndex(String name)

Specified by:

getProjectionQueryableIndex in interface QueryableIndex