io.daobab.result.index

Class BitBufferIndex<E,F>

java.lang.Object

io.daobab.result.index.BitBufferIndex<E,F>

All Implemented Interfaces:

BitBufferIndexBase<F>

Direct Known Subclasses:

BitBufferIndexBoolean, BitBufferIndexComparable, BitBufferIndexInteger, BitBufferIndexNumber, BitBufferIndexString

public abstract class BitBufferIndex<E,F>
extends Object
implements BitBufferIndexBase<F>

Author:

Klaudiusz Wojtkowiak, (C) Elephant Software 2018-2021

Field Summary

Fields

Modifier and Type	Field and Description
protected List<Integer>	nullValues
protected TreeMap<F,Collection<Integer>>	valueIndex

Constructor Summary

Constructors

Constructor and Description
BitBufferIndex(Column<?,?,EntityRelation> indexedColumn, BaseByteBuffer<E> buffer)

Method Summary

Modifier and Type	Method and Description
void	addValue(F value, int pointer)
long	count()
Collection<Integer>	filter(Operator operator, F... keys)
abstract Collection<Integer>	filter(Operator operator, Object key)
Collection<Integer>	filterNegative(Operator operator, Object key1)
Column<?,?,EntityRelation>	getIndexedColumn()
boolean	isWorthless()
boolean	removeValue(F value, int pointer)
protected Collection<Integer>	toOneList(Map<F,Collection<Integer>> subManyMap)
protected Collection<Integer>	toOneList(Map<F,Collection<Integer>> subManyMap, List<Integer> nullValuesAsPK)

Methods inherited from class java.lang.Object

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

Field Detail

valueIndex

protected TreeMap<F,Collection<Integer>> valueIndex

nullValues

protected List<Integer> nullValues

Constructor Detail

BitBufferIndex

public BitBufferIndex(Column<?,?,EntityRelation> indexedColumn,
                      BaseByteBuffer<E> buffer)

Method Detail

filter

public Collection<Integer> filter(Operator operator,
                                  F... keys)

Specified by:

filter in interface BitBufferIndexBase<F>

filter

public abstract Collection<Integer> filter(Operator operator,
                                           Object key)

Specified by:

filter in interface BitBufferIndexBase<F>

filterNegative

public Collection<Integer> filterNegative(Operator operator,
                                          Object key1)

Specified by:

filterNegative in interface BitBufferIndexBase<F>

toOneList

protected Collection<Integer> toOneList(Map<F,Collection<Integer>> subManyMap)

toOneList

protected Collection<Integer> toOneList(Map<F,Collection<Integer>> subManyMap,
                                        List<Integer> nullValuesAsPK)

count

public long count()

getIndexedColumn

public Column<?,?,EntityRelation> getIndexedColumn()

isWorthless

public boolean isWorthless()

addValue

public void addValue(F value,
                     int pointer)

Specified by:

addValue in interface BitBufferIndexBase<F>

removeValue

public boolean removeValue(F value,
                           int pointer)

Specified by:

removeValue in interface BitBufferIndexBase<F>