| Package | Description |
|---|---|
| org.apache.lucene.analysis |
Text analysis.
|
| org.apache.lucene.analysis.standard |
Fast, general-purpose grammar-based tokenizer
StandardTokenizer
implements the Word Break rules from the Unicode Text Segmentation algorithm, as specified in
Unicode Standard Annex #29. |
| org.apache.lucene.analysis.tokenattributes |
General-purpose attributes for text analysis.
|
| 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.lucene80 |
Components from the Lucene 8.0 index format
See
org.apache.lucene.codecs.lucene84 for an overview
of the index format. |
| org.apache.lucene.codecs.lucene84 |
Components from the Lucene 8.4 index format.
|
| org.apache.lucene.codecs.lucene86 |
Lucene 8.6 file format.
|
| org.apache.lucene.codecs.lucene87 |
Lucene 8.7 file format.
|
| org.apache.lucene.codecs.perfield |
Postings format that can delegate to different formats per-field.
|
| org.apache.lucene.document |
The logical representation of a
Document for indexing and searching. |
| org.apache.lucene.index |
Code to maintain and access indices.
|
| org.apache.lucene.search |
Code to search indices.
|
| org.apache.lucene.search.similarities |
This package contains the various ranking models that can be used in Lucene.
|
| 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.graph |
Utility classes for working with token streams as graphs.
|
| org.apache.lucene.util.mutable |
Comparable object wrappers
|
| org.apache.lucene.util.packed |
Packed integer arrays and streams.
|
| Class and Description |
|---|
| AttributeFactory
An AttributeFactory creates instances of
AttributeImpls. |
| AttributeSource
An AttributeSource contains a list of different
AttributeImpls,
and methods to add and get them. |
| BytesRef
Represents byte[], as a slice (offset + length) into an
existing byte[].
|
| Version
Use by certain classes to match version compatibility
across releases of Lucene.
|
| Class and Description |
|---|
| AttributeFactory
An AttributeFactory creates instances of
AttributeImpls. |
| AttributeSource
An AttributeSource contains a list of different
AttributeImpls,
and methods to add and get them. |
| Class and Description |
|---|
| Attribute
Base interface for attributes.
|
| AttributeImpl
Base class for Attributes that can be added to a
AttributeSource. |
| AttributeReflector
This interface is used to reflect contents of
AttributeSource or AttributeImpl. |
| BytesRef
Represents byte[], as a slice (offset + length) into an
existing byte[].
|
| BytesRefBuilder
A builder for
BytesRef instances. |
| Class and Description |
|---|
| Accountable
An object whose RAM usage can be computed.
|
| Bits
Interface for Bitset-like structures.
|
| BytesRef
Represents byte[], as a slice (offset + length) into an
existing byte[].
|
| FixedBitSet
BitSet of fixed length (numBits), backed by accessible (
FixedBitSet.getBits())
long[], accessed with an int index, implementing Bits and
DocIdSet. |
| NamedSPILoader.NamedSPI
Interface to support
NamedSPILoader.lookup(String) by name. |
| Class and Description |
|---|
| Accountable
An object whose RAM usage can be computed.
|
| BytesRef
Represents byte[], as a slice (offset + length) into an
existing byte[].
|
| Class and Description |
|---|
| Accountable
An object whose RAM usage can be computed.
|
| BytesRef
Represents byte[], as a slice (offset + length) into an
existing byte[].
|
| Class and Description |
|---|
| Bits
Interface for Bitset-like structures.
|
| Class and Description |
|---|
| NamedSPILoader.NamedSPI
Interface to support
NamedSPILoader.lookup(String) by name. |
| Class and Description |
|---|
| Accountable
An object whose RAM usage can be computed.
|
| BytesRef
Represents byte[], as a slice (offset + length) into an
existing byte[].
|
| NamedSPILoader.NamedSPI
Interface to support
NamedSPILoader.lookup(String) by name. |
| Class and Description |
|---|
| Accountable
An object whose RAM usage can be computed.
|
| Class and Description |
|---|
| NamedSPILoader.NamedSPI
Interface to support
NamedSPILoader.lookup(String) by name. |
| Class and Description |
|---|
| NamedSPILoader.NamedSPI
Interface to support
NamedSPILoader.lookup(String) by name. |
| Class and Description |
|---|
| BytesRef
Represents byte[], as a slice (offset + length) into an
existing byte[].
|
| Class and Description |
|---|
| Accountable
An object whose RAM usage can be computed.
|
| AttributeSource
An AttributeSource contains a list of different
AttributeImpls,
and methods to add and get them. |
| Bits
Interface for Bitset-like structures.
|
| BytesRef
Represents byte[], as a slice (offset + length) into an
existing byte[].
|
| BytesRefBuilder
A builder for
BytesRef instances. |
| BytesRefIterator
A simple iterator interface for
BytesRef iteration. |
| FixedBitSet
BitSet of fixed length (numBits), backed by accessible (
FixedBitSet.getBits())
long[], accessed with an int index, implementing Bits and
DocIdSet. |
| InfoStream
Debugging API for Lucene classes such as
IndexWriter
and SegmentInfos. |
| IOSupplier
This is a result supplier that is allowed to throw an IOException.
|
| LongValues
Abstraction over an array of longs.
|
| NamedSPILoader.NamedSPI
Interface to support
NamedSPILoader.lookup(String) by name. |
| SuppressForbidden
Annotation to suppress forbidden-apis errors inside a whole class, a method, or a field.
|
| Version
Use by certain classes to match version compatibility
across releases of Lucene.
|
| Class and Description |
|---|
| Accountable
An object whose RAM usage can be computed.
|
| Attribute
Base interface for attributes.
|
| AttributeImpl
Base class for Attributes that can be added to a
AttributeSource. |
| AttributeReflector
This interface is used to reflect contents of
AttributeSource or AttributeImpl. |
| AttributeSource
An AttributeSource contains a list of different
AttributeImpls,
and methods to add and get them. |
| Bits
Interface for Bitset-like structures.
|
| BytesRef
Represents byte[], as a slice (offset + length) into an
existing byte[].
|
| BytesRefIterator
A simple iterator interface for
BytesRef iteration. |
| Counter
Simple counter class
|
| IOSupplier
This is a result supplier that is allowed to throw an IOException.
|
| NamedSPILoader.NamedSPI
Interface to support
NamedSPILoader.lookup(String) by name. |
| PriorityQueue
A PriorityQueue maintains a partial ordering of its elements such that the
least element can always be found in constant time.
|
| Class and Description |
|---|
| BytesRef
Represents byte[], as a slice (offset + length) into an
existing byte[].
|
| Class and Description |
|---|
| Accountable
An object whose RAM usage can be computed.
|
| SuppressForbidden
Annotation to suppress forbidden-apis errors inside a whole class, a method, or a field.
|
| Class and Description |
|---|
| Accountable
An object whose RAM usage can be computed.
|
| Attribute
Base interface for attributes.
|
| AttributeFactory
An AttributeFactory creates instances of
AttributeImpls. |
| AttributeImpl
Base class for Attributes that can be added to a
AttributeSource. |
| AttributeReflector
This interface is used to reflect contents of
AttributeSource or AttributeImpl. |
| AttributeSource
An AttributeSource contains a list of different
AttributeImpls,
and methods to add and get them. |
| AttributeSource.State
This class holds the state of an AttributeSource.
|
| Bits
Interface for Bitset-like structures.
|
| BitSet
Base implementation for a bit set.
|
| ByteBlockPool
Class that Posting and PostingVector use to write byte
streams into shared fixed-size byte[] arrays.
|
| ByteBlockPool.Allocator
Abstract class for allocating and freeing byte
blocks.
|
| BytesRef
Represents byte[], as a slice (offset + length) into an
existing byte[].
|
| BytesRefArray.IndexedBytesRefIterator
An extension of
BytesRefIterator that allows retrieving the index of the current element |
| BytesRefArray.SortState
Used to iterate the elements of an array in a given order.
|
| BytesRefBuilder
A builder for
BytesRef instances. |
| BytesRefHash.BytesStartArray
Manages allocation of the per-term addresses.
|
| BytesRefIterator
A simple iterator interface for
BytesRef iteration. |
| CharsRef
Represents char[], as a slice (offset + length) into an existing char[].
|
| CharsRefBuilder
A builder for
CharsRef instances. |
| Counter
Simple counter class
|
| DocIdSetBuilder.BulkAdder
Utility class to efficiently add many docs in one go.
|
| FixedBitSet
BitSet of fixed length (numBits), backed by accessible (
FixedBitSet.getBits())
long[], accessed with an int index, implementing Bits and
DocIdSet. |
| InfoStream
Debugging API for Lucene classes such as
IndexWriter
and SegmentInfos. |
| IntBlockPool
A pool for int blocks similar to
ByteBlockPool |
| IntBlockPool.Allocator
Abstract class for allocating and freeing int
blocks.
|
| IntsRef
Represents int[], as a slice (offset + length) into an
existing int[].
|
| IOUtils.IOConsumer
An IO operation with a single input.
|
| LongBitSet
BitSet of fixed length (numBits), backed by accessible (
LongBitSet.getBits())
long[], accessed with a long index. |
| LongsRef
Represents long[], as a slice (offset + length) into an
existing long[].
|
| LongValues
Abstraction over an array of longs.
|
| MSBRadixSorter
Radix sorter for variable-length strings.
|
| NamedSPILoader.NamedSPI
Interface to support
NamedSPILoader.lookup(String) by name. |
| OfflineSorter.BufferSize
A bit more descriptive unit for constructors.
|
| OfflineSorter.ByteSequencesReader
Utility class to read length-prefixed byte[] entries from an input.
|
| OfflineSorter.ByteSequencesWriter
Utility class to emit length-prefixed byte[] entries to an output stream for sorting.
|
| PagedBytes.PagedBytesDataInput |
| PagedBytes.PagedBytesDataOutput |
| PagedBytes.Reader
Provides methods to read BytesRefs from a frozen
PagedBytes.
|
| QueryBuilder.TermAndBoost
Wraps a term and boost
|
RoaringDocIdSet
DocIdSet implementation inspired from http://roaringbitmap.org/
The space is divided into blocks of 2^16 bits and each block is encoded
independently. |
| RoaringDocIdSet.Builder
A builder of
RoaringDocIdSets. |
| RollingBuffer.Resettable
Implement to reset an instance
|
| Selector
An implementation of a selection algorithm, ie.
|
| Sorter
Base class for sorting algorithms implementations.
|
| SparseFixedBitSet
A bit set that only stores longs that have at least one bit which is set.
|
| SPIClassIterator
Helper class for loading SPI classes from classpath (META-INF files).
|
| SuppressForbidden
Annotation to suppress forbidden-apis errors inside a whole class, a method, or a field.
|
| Version
Use by certain classes to match version compatibility
across releases of Lucene.
|
| VirtualMethod
A utility for keeping backwards compatibility on previously abstract methods
(or similar replacements).
|
| WeakIdentityMap
Implements a combination of
WeakHashMap and
IdentityHashMap. |
| Class and Description |
|---|
| Accountable
An object whose RAM usage can be computed.
|
| BytesRef
Represents byte[], as a slice (offset + length) into an
existing byte[].
|
| BytesRefBuilder
A builder for
BytesRef instances. |
| CharsRef
Represents char[], as a slice (offset + length) into an existing char[].
|
| IntsRef
Represents int[], as a slice (offset + length) into an
existing int[].
|
| Class and Description |
|---|
| BytesRef
Represents byte[], as a slice (offset + length) into an
existing byte[].
|
| FixedBitSet
BitSet of fixed length (numBits), backed by accessible (
FixedBitSet.getBits())
long[], accessed with an int index, implementing Bits and
DocIdSet. |
| Class and Description |
|---|
| Accountable
An object whose RAM usage can be computed.
|
| BytesRef
Represents byte[], as a slice (offset + length) into an
existing byte[].
|
| BytesRefBuilder
A builder for
BytesRef instances. |
| CharsRef
Represents char[], as a slice (offset + length) into an existing char[].
|
| IntsRef
Represents int[], as a slice (offset + length) into an
existing int[].
|
| IntsRefBuilder
A builder for
IntsRef instances. |
| SuppressForbidden
Annotation to suppress forbidden-apis errors inside a whole class, a method, or a field.
|
| Class and Description |
|---|
| AttributeSource
An AttributeSource contains a list of different
AttributeImpls,
and methods to add and get them. |
| Class and Description |
|---|
| BytesRefBuilder
A builder for
BytesRef instances. |
| Class and Description |
|---|
| Accountable
An object whose RAM usage can be computed.
|
| LongsRef
Represents long[], as a slice (offset + length) into an
existing long[].
|
| LongValues
Abstraction over an array of longs.
|
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