org.apache.lucene.util

Interface Bits

All Known Implementing Classes:

Bits.MatchAllBits, Bits.MatchNoBits, BitSet, FixedBitSet, MultiBits, SparseFixedBitSet

public interface Bits

Interface for Bitset-like structures.

WARNING: This API is experimental and might change in incompatible ways in the next release.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	Bits.MatchAllBits Bits impl of the specified length with all bits set.
static class	Bits.MatchNoBits Bits impl of the specified length with no bits set.

Field Summary

Fields

Modifier and Type	Field and Description
static Bits[]	EMPTY_ARRAY

Method Summary

Modifier and Type	Method and Description
boolean	get(int index) Returns the value of the bit with the specified index.
int	length() Returns the number of bits in this set

Field Detail

EMPTY_ARRAY

static final Bits[] EMPTY_ARRAY

Method Detail

get

boolean get(int index)

Returns the value of the bit with the specified index.

Parameters:

index - index, should be non-negative and < length(). The result of passing negative or out of bounds values is undefined by this interface, just don't do it!

Returns:

true if the bit is set, false otherwise.

length

int length()

Returns the number of bits in this set