Package org.apache.lucene.util
Interface Bits
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- All Known Subinterfaces:
MutableBits
- All Known Implementing Classes:
Bits.MatchAllBits
,Bits.MatchNoBits
,DocIdBitSet
,DocValuesProducer.SortedDocsWithField
,DocValuesProducer.SortedSetDocsWithField
,FixedBitSet
,OpenBitSet
,OpenBitSetDISI
public interface Bits
Interface for Bitset-like structures.
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Nested Class Summary
Nested Classes Modifier and Type Interface 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.
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Field Summary
Fields Modifier and Type Field Description static Bits[]
EMPTY_ARRAY
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description boolean
get(int index)
Returns the value of the bit with the specifiedindex
.int
length()
Returns the number of bits in this set
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Field Detail
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EMPTY_ARRAY
static final Bits[] EMPTY_ARRAY
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Method Detail
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get
boolean get(int index)
Returns the value of the bit with the specifiedindex
.- 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.
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length
int length()
Returns the number of bits in this set
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