Package | Description |
---|---|
org.apache.lucene.codecs |
Codecs API: API for customization of the encoding and structure of the index.
|
org.apache.lucene.codecs.blocktree |
BlockTree terms dictionary.
|
org.apache.lucene.codecs.compressing |
StoredFieldsFormat that allows cross-document and cross-field compression of stored fields.
|
org.apache.lucene.codecs.lucene50 |
Components from the Lucene 5.0 index format
See
org.apache.lucene.codecs.lucene80 for an overview
of the index format. |
org.apache.lucene.codecs.lucene60 |
Components from the Lucene 6.0 index format.
|
org.apache.lucene.index |
Code to maintain and access indices.
|
org.apache.lucene.search |
Code to search indices.
|
org.apache.lucene.store |
Binary i/o API, used for all index data.
|
org.apache.lucene.util |
Some utility classes.
|
org.apache.lucene.util.automaton |
Finite-state automaton for regular expressions.
|
org.apache.lucene.util.bkd |
Block KD-tree, implementing the generic spatial data structure described in
this paper.
|
org.apache.lucene.util.fst |
Finite state transducers
|
org.apache.lucene.util.packed |
Packed integer arrays and streams.
|
Modifier and Type | Class and Description |
---|---|
class |
DocValuesProducer
Abstract API that produces numeric, binary, sorted, sortedset,
and sortednumeric docvalues.
|
class |
FieldsProducer
Abstract API that produces terms, doc, freq, prox, offset and
payloads postings.
|
class |
NormsProducer
Abstract API that produces field normalization values
|
class |
PointsReader
Abstract API to visit point values.
|
class |
PostingsReaderBase
The core terms dictionaries (BlockTermsReader,
BlockTreeTermsReader) interact with a single instance
of this class to manage creation of
PostingsEnum and
PostingsEnum instances. |
class |
StoredFieldsReader
Codec API for reading stored fields.
|
class |
TermVectorsReader
Codec API for reading term vectors:
|
Modifier and Type | Class and Description |
---|---|
class |
BlockTreeTermsReader
A block-based terms index and dictionary that assigns
terms to variable length blocks according to how they
share prefixes.
|
class |
FieldReader
BlockTree's implementation of
Terms . |
Modifier and Type | Method and Description |
---|---|
Collection<Accountable> |
BlockTreeTermsReader.getChildResources() |
Collection<Accountable> |
FieldReader.getChildResources() |
Modifier and Type | Class and Description |
---|---|
class |
CompressingStoredFieldsIndexReader
Random-access reader for
CompressingStoredFieldsIndexWriter . |
class |
CompressingStoredFieldsReader
|
class |
CompressingTermVectorsReader
|
Modifier and Type | Method and Description |
---|---|
Collection<Accountable> |
CompressingStoredFieldsIndexReader.getChildResources() |
Collection<Accountable> |
CompressingStoredFieldsReader.getChildResources() |
Collection<Accountable> |
CompressingTermVectorsReader.getChildResources() |
Modifier and Type | Class and Description |
---|---|
class |
Lucene50PostingsReader
Concrete class that reads docId(maybe frq,pos,offset,payloads) list
with postings format.
|
Modifier and Type | Class and Description |
---|---|
class |
Lucene60PointsReader
Reads point values previously written with
Lucene60PointsWriter |
Modifier and Type | Method and Description |
---|---|
Collection<Accountable> |
Lucene60PointsReader.getChildResources() |
Modifier and Type | Class and Description |
---|---|
class |
CodecReader
LeafReader implemented by codec APIs.
|
class |
EmptyDocValuesProducer
Abstract base class implementing a
DocValuesProducer that has no doc values. |
class |
FilterCodecReader
A
FilterCodecReader contains another CodecReader, which it
uses as its basic source of data, possibly transforming the data along the
way or providing additional functionality. |
class |
IndexWriter
An
IndexWriter creates and maintains an index. |
class |
OrdinalMap
Maps per-segment ordinals to/from global ordinal space, using a compact packed-ints representation.
|
class |
PrefixCodedTerms
Prefix codes term instances (prefixes are shared).
|
class |
SegmentReader
IndexReader implementation over a single segment.
|
class |
Term
A Term represents a word from text.
|
Modifier and Type | Method and Description |
---|---|
Collection<Accountable> |
OrdinalMap.getChildResources() |
Collection<Accountable> |
FilterCodecReader.getChildResources() |
Collection<Accountable> |
CodecReader.getChildResources() |
Modifier and Type | Class and Description |
---|---|
class |
AutomatonQuery
A
Query that will match terms against a finite-state machine. |
class |
DocIdSet
A DocIdSet contains a set of doc ids.
|
class |
LRUQueryCache
A
QueryCache that evicts queries using a LRU (least-recently-used)
eviction policy in order to remain under a given maximum size and number of
bytes used. |
class |
PointInSetQuery
Abstract query class to find all documents whose single or multi-dimensional point values, previously indexed with e.g.
|
class |
PrefixQuery
A Query that matches documents containing terms with a specified prefix.
|
class |
RegexpQuery
A fast regular expression query based on the
org.apache.lucene.util.automaton package. |
class |
TermInSetQuery
Specialization for a disjunction over many terms that behaves like a
ConstantScoreQuery over a BooleanQuery containing only
BooleanClause.Occur.SHOULD clauses. |
class |
TermRangeQuery
A Query that matches documents within an range of terms.
|
class |
WildcardQuery
Implements the wildcard search query.
|
Modifier and Type | Method and Description |
---|---|
Collection<Accountable> |
TermInSetQuery.getChildResources() |
Collection<Accountable> |
LRUQueryCache.getChildResources() |
Modifier and Type | Class and Description |
---|---|
class |
ByteBuffersDataInput
|
class |
ByteBuffersDataOutput
A
DataOutput storing data in a list of ByteBuffer s. |
class |
NRTCachingDirectory
Wraps a
RAMDirectory
around any provided delegate directory, to
be used during NRT search. |
class |
RAMDirectory
Deprecated.
This class uses inefficient synchronization and is discouraged
in favor of
MMapDirectory . It will be removed in future versions
of Lucene. |
class |
RAMFile
Deprecated.
This class uses inefficient synchronization and is discouraged
in favor of
MMapDirectory . It will be removed in future versions
of Lucene. |
class |
RAMOutputStream
Deprecated.
This class uses inefficient synchronization and is discouraged
in favor of
MMapDirectory . It will be removed in future versions
of Lucene. |
Modifier and Type | Method and Description |
---|---|
Collection<Accountable> |
RAMDirectory.getChildResources()
Deprecated.
|
Collection<Accountable> |
RAMOutputStream.getChildResources()
Deprecated.
|
Collection<Accountable> |
NRTCachingDirectory.getChildResources() |
Modifier and Type | Class and Description |
---|---|
class |
BitDocIdSet
|
class |
BitSet
Base implementation for a bit set.
|
class |
ByteBlockPool
Class that Posting and PostingVector use to write byte
streams into shared fixed-size byte[] arrays.
|
class |
BytesRefHash
BytesRefHash is a special purpose hash-map like data-structure
optimized for BytesRef instances. |
class |
FixedBitSet
BitSet of fixed length (numBits), backed by accessible (
FixedBitSet.getBits() )
long[], accessed with an int index, implementing Bits and
DocIdSet . |
class |
FrequencyTrackingRingBuffer
A ring buffer that tracks the frequency of the integers that it contains.
|
class |
LongBitSet
BitSet of fixed length (numBits), backed by accessible (
LongBitSet.getBits() )
long[], accessed with a long index. |
class |
NotDocIdSet
|
class |
PagedBytes
Represents a logical byte[] as a series of pages.
|
static class |
PagedBytes.Reader
Provides methods to read BytesRefs from a frozen
PagedBytes.
|
class |
RoaringDocIdSet
DocIdSet implementation inspired from http://roaringbitmap.org/
The space is divided into blocks of 2^16 bits and each block is encoded
independently. |
class |
SparseFixedBitSet
A bit set that only stores longs that have at least one bit which is set.
|
Modifier and Type | Method and Description |
---|---|
static Accountable |
Accountables.namedAccountable(String description,
Accountable in)
Augments an existing accountable with the provided description.
|
static Accountable |
Accountables.namedAccountable(String description,
Collection<Accountable> children,
long bytes)
Returns an accountable with the provided description, children and bytes.
|
static Accountable |
Accountables.namedAccountable(String description,
long bytes)
Returns an accountable with the provided description and bytes.
|
Modifier and Type | Method and Description |
---|---|
default Collection<Accountable> |
Accountable.getChildResources()
Returns nested resources of this class.
|
static Collection<Accountable> |
Accountables.namedAccountables(String prefix,
Map<?,? extends Accountable> in)
Converts a map of resources to a collection.
|
Modifier and Type | Method and Description |
---|---|
static Accountable |
Accountables.namedAccountable(String description,
Accountable in)
Augments an existing accountable with the provided description.
|
static long |
RamUsageEstimator.sizeOf(Accountable accountable)
Returns the size in bytes of the
Accountable object, using its
ramBytesUsed() method. |
static long |
RamUsageEstimator.sizeOf(Accountable[] accountables)
Return the size of the provided array of
Accountable s by summing
up the shallow size of the array and the
memory usage reported by each
Accountable . |
static String |
Accountables.toString(Accountable a)
Returns a String description of an Accountable and any nested resources.
|
Modifier and Type | Method and Description |
---|---|
static Accountable |
Accountables.namedAccountable(String description,
Collection<Accountable> children,
long bytes)
Returns an accountable with the provided description, children and bytes.
|
static Collection<Accountable> |
Accountables.namedAccountables(String prefix,
Map<?,? extends Accountable> in)
Converts a map of resources to a collection.
|
Modifier and Type | Class and Description |
---|---|
class |
Automaton
Represents an automaton and all its states and transitions.
|
class |
ByteRunAutomaton
Automaton representation for matching UTF-8 byte[].
|
class |
CharacterRunAutomaton
Automaton representation for matching char[].
|
class |
CompiledAutomaton
Immutable class holding compiled details for a given
Automaton.
|
class |
RunAutomaton
Finite-state automaton with fast run operation.
|
Modifier and Type | Class and Description |
---|---|
class |
BKDReader
Handles intersection of an multi-dimensional shape in byte[] space with a block KD-tree previously written with
BKDWriter . |
Modifier and Type | Interface and Description |
---|---|
interface |
FSTStore
Abstraction for reading/writing bytes necessary for FST.
|
Modifier and Type | Class and Description |
---|---|
class |
FST<T>
Represents an finite state machine (FST), using a
compact byte[] format.
|
class |
OffHeapFSTStore
Provides off heap storage of finite state machine (FST),
using underlying index input instead of byte store on heap
|
class |
OnHeapFSTStore
Provides storage of finite state machine (FST),
using byte array or byte store allocated on heap.
|
Modifier and Type | Class and Description |
---|---|
class |
AbstractPagedMutable<T extends AbstractPagedMutable<T>>
Base implementation for
PagedMutable and PagedGrowableWriter . |
class |
BlockPackedReader
Provides random access to a stream written with
BlockPackedWriter . |
static class |
DirectMonotonicReader.Meta
In-memory metadata that needs to be kept around for
DirectMonotonicReader to read data from disk. |
class |
GrowableWriter
Implements
PackedInts.Mutable , but grows the
bit count of the underlying packed ints on-demand. |
class |
MonotonicBlockPackedReader
Provides random access to a stream written with
MonotonicBlockPackedWriter . |
static class |
PackedInts.Mutable
A packed integer array that can be modified.
|
static class |
PackedInts.NullReader
A
PackedInts.Reader which has all its values equal to 0 (bitsPerValue = 0). |
static class |
PackedInts.Reader
A read-only random access array of positive integers.
|
class |
PackedLongValues
Utility class to compress integers into a
LongValues instance. |
static class |
PackedLongValues.Builder
A Builder for a
PackedLongValues instance. |
class |
PagedGrowableWriter
|
class |
PagedMutable
A
PagedMutable . |
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