Package org.apache.lucene.util.packed

Class MonotonicBlockPackedReader

java.lang.Object

org.apache.lucene.util.LongValues

org.apache.lucene.util.packed.MonotonicBlockPackedReader

All Implemented Interfaces:

Accountable

public class MonotonicBlockPackedReader
extends LongValues
implements Accountable

Provides random access to a stream written with MonotonicBlockPackedWriter.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) final float[]	averages
(package private) final int	blockMask
(package private) final int	blockShift
(package private) final long[]	minValues
(package private) final PackedInts.Reader[]	subReaders
(package private) final long	sumBPV
(package private) final long	valueCount

Fields inherited from class org.apache.lucene.util.LongValues

IDENTITY, ZEROES

Fields inherited from interface org.apache.lucene.util.Accountable

NULL_ACCOUNTABLE

Constructor Summary

Constructors

Modifier	Constructor	Description
private	MonotonicBlockPackedReader(IndexInput in, int packedIntsVersion, int blockSize, long valueCount, boolean direct)

Method Summary

Modifier and Type	Method	Description
(package private) static long	expected(long origin, float average, int index)
long	get(long index)	Get value at index.
static MonotonicBlockPackedReader	of(IndexInput in, int packedIntsVersion, int blockSize, long valueCount, boolean direct)	Sole constructor.
long	ramBytesUsed()	Return the memory usage of this object in bytes.
long	size()	Returns the number of values
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.lucene.util.Accountable

getChildResources

Field Details

blockShift

final int blockShift

blockMask

final int blockMask

valueCount

final long valueCount

minValues

final long[] minValues

averages

final float[] averages

subReaders

final PackedInts.Reader[] subReaders

sumBPV

final long sumBPV

Constructor Details

MonotonicBlockPackedReader

private MonotonicBlockPackedReader(IndexInput in,
 int packedIntsVersion,
 int blockSize,
 long valueCount,
 boolean direct)
                            throws IOException

Throws:

IOException

Method Details

expected

static long expected(long origin,
 float average,
 int index)

of

public static MonotonicBlockPackedReader of(IndexInput in,
 int packedIntsVersion,
 int blockSize,
 long valueCount,
 boolean direct)
                                     throws IOException

Sole constructor.

Throws:

IOException

get

public long get(long index)

Description copied from class: LongValues

Get value at index.

Specified by:

get in class LongValues

size

public long size()

Returns the number of values

ramBytesUsed

public long ramBytesUsed()

Description copied from interface: Accountable

Return the memory usage of this object in bytes. Negative values are illegal.

Specified by:

ramBytesUsed in interface Accountable

toString

public String toString()

Overrides:

toString in class Object