Package org.apache.druid.segment.nested

Class NestedFieldDictionaryEncodedColumn<TStringDictionary extends Indexed<ByteBuffer>>

java.lang.Object

org.apache.druid.segment.nested.NestedFieldDictionaryEncodedColumn<TStringDictionary>

All Implemented Interfaces:

Closeable, AutoCloseable, BaseColumn, DictionaryEncodedColumn<String>

public class NestedFieldDictionaryEncodedColumn<TStringDictionary extends Indexed<ByteBuffer>>
extends Object
implements DictionaryEncodedColumn<String>

Constructor Summary

Constructors

Constructor	Description
NestedFieldDictionaryEncodedColumn(FieldTypeInfo.TypeSet types, ColumnarLongs longsColumn, ColumnarDoubles doublesColumn, ColumnarInts column, TStringDictionary globalDictionary, FixedIndexed<Long> globalLongDictionary, FixedIndexed<Double> globalDoubleDictionary, FrontCodedIntArrayIndexed globalArrayDictionary, FixedIndexed<Integer> dictionary, ImmutableBitmap nullBitmap)

Method Summary

Modifier and Type	Method	Description
void	close()
int	getCardinality()
FixedIndexed<Integer>	getDictionary()
IndexedInts	getMultiValueRow(int rowNum)
int	getSingleValueRow(int rowNum)
boolean	hasMultipleValues()
int	length()
int	lookupId(String name)
String	lookupName(int id)
ColumnValueSelector<?>	makeColumnValueSelector(ReadableOffset offset)
DimensionSelector	makeDimensionSelector(ReadableOffset offset, ExtractionFn extractionFn)
MultiValueDimensionVectorSelector	makeMultiValueDimensionVectorSelector(ReadableVectorOffset vectorOffset)
SingleValueDimensionVectorSelector	makeSingleValueDimensionVectorSelector(ReadableVectorOffset offset)
VectorObjectSelector	makeVectorObjectSelector(ReadableVectorOffset offset)
VectorValueSelector	makeVectorValueSelector(ReadableVectorOffset offset)

Methods inherited from class java.lang.Object

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

Constructor Detail

NestedFieldDictionaryEncodedColumn

public NestedFieldDictionaryEncodedColumn(FieldTypeInfo.TypeSet types,
                                          ColumnarLongs longsColumn,
                                          ColumnarDoubles doublesColumn,
                                          ColumnarInts column,
                                          TStringDictionary globalDictionary,
                                          FixedIndexed<Long> globalLongDictionary,
                                          FixedIndexed<Double> globalDoubleDictionary,
                                          @Nullable
                                          FrontCodedIntArrayIndexed globalArrayDictionary,
                                          FixedIndexed<Integer> dictionary,
                                          ImmutableBitmap nullBitmap)

Method Detail

length

public int length()

Specified by:

length in interface DictionaryEncodedColumn<TStringDictionary extends Indexed<ByteBuffer>>

hasMultipleValues

public boolean hasMultipleValues()

Specified by:

hasMultipleValues in interface DictionaryEncodedColumn<TStringDictionary extends Indexed<ByteBuffer>>

getSingleValueRow

public int getSingleValueRow(int rowNum)

Specified by:

getSingleValueRow in interface DictionaryEncodedColumn<TStringDictionary extends Indexed<ByteBuffer>>

getMultiValueRow

public IndexedInts getMultiValueRow(int rowNum)

Specified by:

getMultiValueRow in interface DictionaryEncodedColumn<TStringDictionary extends Indexed<ByteBuffer>>

lookupName

@Nullable
public String lookupName(int id)

Specified by:

lookupName in interface DictionaryEncodedColumn<TStringDictionary extends Indexed<ByteBuffer>>

lookupId

public int lookupId(String name)

Specified by:

lookupId in interface DictionaryEncodedColumn<TStringDictionary extends Indexed<ByteBuffer>>

getCardinality

public int getCardinality()

Specified by:

getCardinality in interface DictionaryEncodedColumn<TStringDictionary extends Indexed<ByteBuffer>>

getDictionary

public FixedIndexed<Integer> getDictionary()

makeDimensionSelector

public DimensionSelector makeDimensionSelector(ReadableOffset offset,
                                               @Nullable
                                               ExtractionFn extractionFn)

Specified by:

makeDimensionSelector in interface DictionaryEncodedColumn<TStringDictionary extends Indexed<ByteBuffer>>

makeColumnValueSelector

public ColumnValueSelector<?> makeColumnValueSelector(ReadableOffset offset)

Specified by:

makeColumnValueSelector in interface BaseColumn

Specified by:

makeColumnValueSelector in interface DictionaryEncodedColumn<TStringDictionary extends Indexed<ByteBuffer>>

makeSingleValueDimensionVectorSelector

public SingleValueDimensionVectorSelector makeSingleValueDimensionVectorSelector(ReadableVectorOffset offset)

Specified by:

makeSingleValueDimensionVectorSelector in interface DictionaryEncodedColumn<TStringDictionary extends Indexed<ByteBuffer>>

makeMultiValueDimensionVectorSelector

public MultiValueDimensionVectorSelector makeMultiValueDimensionVectorSelector(ReadableVectorOffset vectorOffset)

Specified by:

makeMultiValueDimensionVectorSelector in interface DictionaryEncodedColumn<TStringDictionary extends Indexed<ByteBuffer>>

makeVectorObjectSelector

public VectorObjectSelector makeVectorObjectSelector(ReadableVectorOffset offset)

Specified by:

makeVectorObjectSelector in interface BaseColumn

makeVectorValueSelector

public VectorValueSelector makeVectorValueSelector(ReadableVectorOffset offset)

Specified by:

makeVectorValueSelector in interface BaseColumn

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException