Package it.unimi.di.big.mg4j.index

Class QuasiSuccinctIndexReader.PointerReader

java.lang.Object

it.unimi.di.big.mg4j.index.QuasiSuccinctIndexReader.PointerReader

Direct Known Subclasses:

QuasiSuccinctIndexReader.EliasFanoPointerReader, QuasiSuccinctIndexReader.RankedPointerReader

Enclosing class:

QuasiSuccinctIndexReader

protected static class QuasiSuccinctIndexReader.PointerReader
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
protected long	curr	The current word position in the list of upper bits.
long	currentIndex	The index of the current prefix sum.
protected long	frequency	The frequency of the term (i.e., the number of elements of the current list).
protected LongBigList	list	The underlying list.
protected int	log2Quantum	The logarithm of the quantum, cached from the index.
protected long	numberOfPointers	The number of pointers.
protected int	pointerSize	The size of a pointer.
protected int	quantum	The quantum, cached from the index.
protected QuasiSuccinctIndexReader.LongWordBitReader	skipPointers	The longword bit reader for pointers.
protected long	skipPointersStart	The starting position of the pointers.
protected long	upperBitsStart	The starting position of the upper bits.
protected long	window	The 64-bit window.

Constructor Summary

Constructors

Constructor	Description
PointerReader(LongBigList list, long upperBitsStart, QuasiSuccinctIndexReader.LongWordBitReader skipPointers, long skipPointersStart, long numberOfPointers, int pointerSize, long frequency, int log2Quantum)

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

list

protected final LongBigList list

The underlying list.

skipPointers

protected final QuasiSuccinctIndexReader.LongWordBitReader skipPointers

The longword bit reader for pointers.

skipPointersStart

protected final long skipPointersStart

The starting position of the pointers.

upperBitsStart

protected final long upperBitsStart

The starting position of the upper bits.

log2Quantum

protected final int log2Quantum

The logarithm of the quantum, cached from the index.

quantum

protected final int quantum

The quantum, cached from the index.

pointerSize

protected final int pointerSize

The size of a pointer.

numberOfPointers

protected final long numberOfPointers

The number of pointers.

frequency

protected final long frequency

The frequency of the term (i.e., the number of elements of the current list).

window

protected long window

The 64-bit window.

curr

protected long curr

The current word position in the list of upper bits.

currentIndex

public long currentIndex

The index of the current prefix sum.

Constructor Detail

PointerReader

public PointerReader(LongBigList list,
                     long upperBitsStart,
                     QuasiSuccinctIndexReader.LongWordBitReader skipPointers,
                     long skipPointersStart,
                     long numberOfPointers,
                     int pointerSize,
                     long frequency,
                     int log2Quantum)