Uses of Class
org.apache.lucene.store.IndexInput
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Packages that use IndexInput Package Description org.apache.lucene.codecs Codecs API: API for customization of the encoding and structure of the index.org.apache.lucene.codecs.lucene90 Lucene 9.0 file format.org.apache.lucene.codecs.lucene95 Lucene 9.5 file format.org.apache.lucene.codecs.lucene99 Lucene 9.9 file format.org.apache.lucene.store Binary i/o API, used for all index data.org.apache.lucene.util Some utility classes.org.apache.lucene.util.bkd Block KD-tree, implementing the generic spatial data structure described in this paper.org.apache.lucene.util.packed Packed integer arrays and streams. -
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Uses of IndexInput in org.apache.lucene.codecs
Methods in org.apache.lucene.codecs with parameters of type IndexInput Modifier and Type Method Description static long
CodecUtil. checksumEntireFile(IndexInput input)
Clones the provided input, reads all bytes from the file, and callsCodecUtil.checkFooter(org.apache.lucene.store.ChecksumIndexInput)
abstract void
PostingsReaderBase. init(IndexInput termsIn, SegmentReadState state)
Performs any initialization, such as reading and verifying the header from the provided terms dictionaryIndexInput
.protected long
MultiLevelSkipListReader. readChildPointer(IndexInput skipStream)
read the child pointer written viaMultiLevelSkipListWriter.writeChildPointer(long, DataOutput)
.static byte[]
CodecUtil. readFooter(IndexInput in)
Retrieves the full footer from the providedIndexInput
.static byte[]
CodecUtil. readIndexHeader(IndexInput in)
Retrieves the full index header from the providedIndexInput
.protected long
MultiLevelSkipListReader. readLevelLength(IndexInput skipStream)
read the length of the current level written viaMultiLevelSkipListWriter.writeLevelLength(long, IndexOutput)
.protected abstract int
MultiLevelSkipListReader. readSkipData(int level, IndexInput skipStream)
Subclasses must implement the actual skip data encoding in this method.static long
CodecUtil. retrieveChecksum(IndexInput in)
Returns (but does not validate) the checksum previously written byCodecUtil.checkFooter(org.apache.lucene.store.ChecksumIndexInput)
.static long
CodecUtil. retrieveChecksum(IndexInput in, long expectedLength)
Returns (but does not validate) the checksum previously written byCodecUtil.checkFooter(org.apache.lucene.store.ChecksumIndexInput)
.static void
CodecUtil. verifyAndCopyIndexHeader(IndexInput in, DataOutput out, byte[] expectedID)
Expert: verifies the incomingIndexInput
has an index header and that its segment ID matches the expected one, and then copies that index header into the providedDataOutput
.Constructors in org.apache.lucene.codecs with parameters of type IndexInput Constructor Description MultiLevelSkipListReader(IndexInput skipStream, int maxSkipLevels, int skipInterval)
Creates aMultiLevelSkipListReader
, whereskipInterval
andskipMultiplier
are the same.MultiLevelSkipListReader(IndexInput skipStream, int maxSkipLevels, int skipInterval, int skipMultiplier)
Creates aMultiLevelSkipListReader
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Uses of IndexInput in org.apache.lucene.codecs.lucene90
Methods in org.apache.lucene.codecs.lucene90 that return IndexInput Modifier and Type Method Description static IndexInput
IndexedDISI. createBlockSlice(IndexInput slice, String sliceDescription, long offset, long length, int jumpTableEntryCount)
Helper method for usingIndexedDISI(IndexInput, RandomAccessInput, int, byte, long)
.Methods in org.apache.lucene.codecs.lucene90 with parameters of type IndexInput Modifier and Type Method Description static IndexInput
IndexedDISI. createBlockSlice(IndexInput slice, String sliceDescription, long offset, long length, int jumpTableEntryCount)
Helper method for usingIndexedDISI(IndexInput, RandomAccessInput, int, byte, long)
.static RandomAccessInput
IndexedDISI. createJumpTable(IndexInput slice, long offset, long length, int jumpTableEntryCount)
Helper method for usingIndexedDISI(IndexInput, RandomAccessInput, int, byte, long)
.Constructors in org.apache.lucene.codecs.lucene90 with parameters of type IndexInput Constructor Description IndexedDISI(IndexInput in, long offset, long length, int jumpTableEntryCount, byte denseRankPower, long cost)
This constructor always creates a new blockSlice and a new jumpTable from in, to ensure that operations are independent from the caller. -
Uses of IndexInput in org.apache.lucene.codecs.lucene95
Fields in org.apache.lucene.codecs.lucene95 declared as IndexInput Modifier and Type Field Description protected IndexInput
OffHeapByteVectorValues. slice
protected IndexInput
OffHeapFloatVectorValues. slice
Methods in org.apache.lucene.codecs.lucene95 with parameters of type IndexInput Modifier and Type Method Description static OrdToDocDISIReaderConfiguration
OrdToDocDISIReaderConfiguration. fromStoredMeta(IndexInput inputMeta, int size)
Reads in the necessary fields stored in the outputMeta to configureDirectMonotonicReader
andIndexedDISI
.DirectMonotonicReader
OrdToDocDISIReaderConfiguration. getDirectMonotonicReader(IndexInput dataIn)
IndexedDISI
OrdToDocDISIReaderConfiguration. getIndexedDISI(IndexInput dataIn)
static OffHeapByteVectorValues
OffHeapByteVectorValues. load(OrdToDocDISIReaderConfiguration configuration, VectorEncoding vectorEncoding, int dimension, long vectorDataOffset, long vectorDataLength, IndexInput vectorData)
static OffHeapFloatVectorValues
OffHeapFloatVectorValues. load(OrdToDocDISIReaderConfiguration configuration, VectorEncoding vectorEncoding, int dimension, long vectorDataOffset, long vectorDataLength, IndexInput vectorData)
Constructors in org.apache.lucene.codecs.lucene95 with parameters of type IndexInput Constructor Description DenseOffHeapVectorValues(int dimension, int size, IndexInput slice, int byteSize)
DenseOffHeapVectorValues(int dimension, int size, IndexInput slice, int byteSize)
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Uses of IndexInput in org.apache.lucene.codecs.lucene99
Fields in org.apache.lucene.codecs.lucene99 declared as IndexInput Modifier and Type Field Description protected IndexInput
OffHeapQuantizedByteVectorValues. slice
Methods in org.apache.lucene.codecs.lucene99 with parameters of type IndexInput Modifier and Type Method Description void
Lucene99PostingsReader. init(IndexInput termsIn, SegmentReadState state)
static OffHeapQuantizedByteVectorValues
OffHeapQuantizedByteVectorValues. load(OrdToDocDISIReaderConfiguration configuration, int dimension, int size, long quantizedVectorDataOffset, long quantizedVectorDataLength, IndexInput vectorData)
protected void
Lucene99SkipReader. readImpacts(int level, IndexInput skipStream)
protected int
Lucene99SkipReader. readSkipData(int level, IndexInput skipStream)
Constructors in org.apache.lucene.codecs.lucene99 with parameters of type IndexInput Constructor Description DenseOffHeapVectorValues(int dimension, int size, IndexInput slice)
Lucene99SkipReader(IndexInput skipStream, int maxSkipLevels, boolean hasPos, boolean hasOffsets, boolean hasPayloads)
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Uses of IndexInput in org.apache.lucene.store
Subclasses of IndexInput in org.apache.lucene.store Modifier and Type Class Description class
BufferedChecksumIndexInput
Simple implementation ofChecksumIndexInput
that wraps another input and delegates calls.class
BufferedIndexInput
Base implementation class for bufferedIndexInput
.class
ByteBufferIndexInput
Base IndexInput implementation that uses an array of ByteBuffers to represent a file.class
ByteBuffersIndexInput
class
ChecksumIndexInput
Extension of IndexInput, computing checksum as it goes.class
FilterIndexInput
IndexInput implementation that delegates calls to another directory.Fields in org.apache.lucene.store declared as IndexInput Modifier and Type Field Description protected IndexInput
FilterIndexInput. in
Fields in org.apache.lucene.store with type parameters of type IndexInput Modifier and Type Field Description static BiFunction<String,ByteBuffersDataOutput,IndexInput>
ByteBuffersDirectory. OUTPUT_AS_BYTE_ARRAY
static BiFunction<String,ByteBuffersDataOutput,IndexInput>
ByteBuffersDirectory. OUTPUT_AS_MANY_BUFFERS
static BiFunction<String,ByteBuffersDataOutput,IndexInput>
ByteBuffersDirectory. OUTPUT_AS_MANY_BUFFERS_LUCENE
static BiFunction<String,ByteBuffersDataOutput,IndexInput>
ByteBuffersDirectory. OUTPUT_AS_ONE_BUFFER
Methods in org.apache.lucene.store that return IndexInput Modifier and Type Method Description IndexInput
BufferedChecksumIndexInput. clone()
IndexInput
ByteBuffersIndexInput. clone()
IndexInput
IndexInput. clone()
Returns a clone of this stream.IndexInput
FilterIndexInput. getDelegate()
Gets the delegate that was passed in on creationIndexInput
ByteBuffersDirectory. openInput(String name, IOContext context)
abstract IndexInput
Directory. openInput(String name, IOContext context)
Opens a stream for reading an existing file.IndexInput
FileSwitchDirectory. openInput(String name, IOContext context)
IndexInput
FilterDirectory. openInput(String name, IOContext context)
IndexInput
MMapDirectory. openInput(String name, IOContext context)
Creates an IndexInput for the file with the given name.IndexInput
NIOFSDirectory. openInput(String name, IOContext context)
IndexInput
NRTCachingDirectory. openInput(String name, IOContext context)
IndexInput
BufferedChecksumIndexInput. slice(String sliceDescription, long offset, long length)
IndexInput
BufferedIndexInput. slice(String sliceDescription, long offset, long length)
IndexInput
FilterIndexInput. slice(String sliceDescription, long offset, long length)
abstract IndexInput
IndexInput. slice(String sliceDescription, long offset, long length)
Creates a slice of this index input, with the given description, offset, and length.static IndexInput
FilterIndexInput. unwrap(IndexInput in)
Unwraps all FilterIndexInputs until the first non-FilterIndexInput IndexInput instance and returns itMethods in org.apache.lucene.store with parameters of type IndexInput Modifier and Type Method Description static IndexInput
FilterIndexInput. unwrap(IndexInput in)
Unwraps all FilterIndexInputs until the first non-FilterIndexInput IndexInput instance and returns itstatic BufferedIndexInput
BufferedIndexInput. wrap(String sliceDescription, IndexInput other, long offset, long length)
Wraps a portion of another IndexInput with buffering.Constructors in org.apache.lucene.store with parameters of type IndexInput Constructor Description BufferedChecksumIndexInput(IndexInput main)
Creates a new BufferedChecksumIndexInputFilterIndexInput(String resourceDescription, IndexInput in)
Creates a FilterIndexInput with a resource description and wrapped delegate IndexInputConstructor parameters in org.apache.lucene.store with type arguments of type IndexInput Constructor Description ByteBuffersDirectory(LockFactory factory, Supplier<ByteBuffersDataOutput> bbOutputSupplier, BiFunction<String,ByteBuffersDataOutput,IndexInput> outputToInput)
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Uses of IndexInput in org.apache.lucene.util
Methods in org.apache.lucene.util with parameters of type IndexInput Modifier and Type Method Description void
PagedBytes. copy(IndexInput in, long byteCount)
Read this many bytes from in -
Uses of IndexInput in org.apache.lucene.util.bkd
Constructors in org.apache.lucene.util.bkd with parameters of type IndexInput Constructor Description BKDReader(IndexInput metaIn, IndexInput indexIn, IndexInput dataIn)
Caller must pre-seek the providedIndexInput
to the index location thatBKDWriter.finish(org.apache.lucene.store.IndexOutput, org.apache.lucene.store.IndexOutput, org.apache.lucene.store.IndexOutput)
returned. -
Uses of IndexInput in org.apache.lucene.util.packed
Methods in org.apache.lucene.util.packed with parameters of type IndexInput Modifier and Type Method Description static DirectMonotonicReader.Meta
DirectMonotonicReader. loadMeta(IndexInput metaIn, long numValues, int blockShift)
Load metadata from the givenIndexInput
.static MonotonicBlockPackedReader
MonotonicBlockPackedReader. of(IndexInput in, int packedIntsVersion, int blockSize, long valueCount)
Sole constructor.
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