it.unimi.di.mg4j.index

Class QuasiSuccinctIndexReader.PointerReader

java.lang.Object

it.unimi.di.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 and Description
protected long	curr The current word position in the list of upper bits.
long	currentIndex The index of the current prefix sum.
protected int	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 and Description
QuasiSuccinctIndexReader.PointerReader(LongBigList list, long upperBitsStart, QuasiSuccinctIndexReader.LongWordBitReader skipPointers, long skipPointersStart, long numberOfPointers, int pointerSize, int 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 int 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

QuasiSuccinctIndexReader.PointerReader

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