Package org.apache.lucene.util.packed

Class PackedInts.NullReader

java.lang.Object

org.apache.lucene.util.packed.PackedInts.Reader

org.apache.lucene.util.packed.PackedInts.NullReader

All Implemented Interfaces:

Accountable

Enclosing class:

PackedInts

public static final class PackedInts.NullReader
extends PackedInts.Reader

A PackedInts.Reader which has all its values equal to 0 (bitsPerValue = 0).

Field Summary

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

NULL_ACCOUNTABLE

Method Summary

Modifier and Type	Method	Description
static PackedInts.NullReader	forCount(int valueCount)
long	get(int index)	Get the long at the given index.
int	get(int index, long[] arr, int off, int len)	Bulk get: read at least one and at most len longs starting from index into arr[off:off+len] and return the actual number of values that have been read.
long	ramBytesUsed()	Returns an estimate of the JVM heap memory used by this object in bytes.
int	size()

Methods inherited from class java.lang.Object

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

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

getChildResources

Method Details

forCount

public static PackedInts.NullReader forCount(int valueCount)

get

public long get(int index)

Description copied from class: PackedInts.Reader

Get the long at the given index. Behavior is undefined for out-of-range indices.

Specified by:

get in class PackedInts.Reader

get

public int get(int index,
 long[] arr,
 int off,
 int len)

Description copied from class: PackedInts.Reader

Bulk get: read at least one and at most len longs starting from index into arr[off:off+len] and return the actual number of values that have been read.

Overrides:

get in class PackedInts.Reader

size

public int size()

Specified by:

size in class PackedInts.Reader

Returns:

the number of values.

ramBytesUsed

public long ramBytesUsed()

Description copied from interface: Accountable

Returns an estimate of the JVM heap memory used by this object in bytes. The method name uses "ram" for historical reasons; only JVM heap memory should be reported. Off-heap resources such as memory-mapped files or native direct buffers should not be included. Negative values are illegal.