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A B C D F G H I L M N O P R S T W

## A

accept(IndexReader, int, String, TermVectorMapper) - Method in class org.apache.lucene.index.TermVectorAccessor
  Visits the TermVectorMapper and populates it with terms available for a given document, either via a vector created at index time or by resolving them from the inverted index.
advise(FileDescriptor, long, long, int) - Static method in class org.apache.lucene.store.NativePosixUtil

## B

BalancedSegmentMergePolicy - Class in org.apache.lucene.index
  Merge policy that tries to balance not doing large segment merges with not accumulating too many segments in the index, to provide for better performance in near real-time setting.
BalancedSegmentMergePolicy() - Constructor for class org.apache.lucene.index.BalancedSegmentMergePolicy
BalancedSegmentMergePolicy.MergePolicyParams - Class in org.apache.lucene.index
  Specifies configuration parameters for BalancedSegmentMergePolicy.
BalancedSegmentMergePolicy.MergePolicyParams() - Constructor for class org.apache.lucene.index.BalancedSegmentMergePolicy.MergePolicyParams
baselineTf(float) - Method in class org.apache.lucene.misc.SweetSpotSimilarity
  Implemented as: `(x <= min) ? base : sqrt(x+(base**2)-min)` ...but with a special case check for 0.

## C

clone() - Method in class org.apache.lucene.store.WindowsDirectory.WindowsIndexInput
close() - Method in class org.apache.lucene.store.WindowsDirectory.WindowsIndexInput
CompoundFileExtractor - Class in org.apache.lucene.index
  Command-line tool for extracting sub-files out of a compound file.
CompoundFileExtractor() - Constructor for class org.apache.lucene.index.CompoundFileExtractor
computeLengthNorm(String, int) - Method in class org.apache.lucene.misc.SweetSpotSimilarity
  Implemented as: `1/sqrt( steepness * (abs(x-min) + abs(x-max) - (max-min)) + 1 )` .
computeNorm(String, FieldInvertState) - Method in class org.apache.lucene.misc.SweetSpotSimilarity
  Implemented as `state.getBoost() * lengthNorm(fieldName, numTokens)` where numTokens does not count overlap tokens if discountOverlaps is true by default or true for this specific field.
createOutput(String) - Method in class org.apache.lucene.store.DirectIOLinuxDirectory

## D

DEFAULT_NUM_LARGE_SEGMENTS - Static variable in class org.apache.lucene.index.BalancedSegmentMergePolicy
DEFAULTnumTerms - Static variable in class org.apache.lucene.misc.HighFreqTerms
DirectIOLinuxDirectory - Class in org.apache.lucene.store
  An `Directory` implementation that uses the Linux-specific O_DIRECT flag to bypass all OS level caching.
DirectIOLinuxDirectory(File, LockFactory, int) - Constructor for class org.apache.lucene.store.DirectIOLinuxDirectory
  Create a new NIOFSDirectory for the named location.
DONTNEED - Static variable in class org.apache.lucene.store.NativePosixUtil

## F

FieldNormModifier - Class in org.apache.lucene.index
  Deprecated. This class is broken, as it does not correctly take position overlaps into account.
FieldNormModifier(Directory, Similarity) - Constructor for class org.apache.lucene.index.FieldNormModifier
  Deprecated. Constructor for code that wishes to use this class programmatically If Similarity is null, kill the field norms.
findForcedDeletesMerges(SegmentInfos) - Method in class org.apache.lucene.index.BalancedSegmentMergePolicy
findForcedMerges(SegmentInfos, int, Map<SegmentInfo, Boolean>) - Method in class org.apache.lucene.index.BalancedSegmentMergePolicy
findMerges(SegmentInfos) - Method in class org.apache.lucene.index.BalancedSegmentMergePolicy

## G

getHighFreqTerms(IndexReader, int, String) - Static method in class org.apache.lucene.misc.HighFreqTerms
getMaxMergeDocs() - Method in class org.apache.lucene.index.BalancedSegmentMergePolicy.MergePolicyParams
getMaxSmallSegments() - Method in class org.apache.lucene.index.BalancedSegmentMergePolicy
getMaxSmallSegments() - Method in class org.apache.lucene.index.BalancedSegmentMergePolicy.MergePolicyParams
getMergeFactor() - Method in class org.apache.lucene.index.BalancedSegmentMergePolicy.MergePolicyParams
getNumLargeSegments() - Method in class org.apache.lucene.index.BalancedSegmentMergePolicy
getNumLargeSegments() - Method in class org.apache.lucene.index.BalancedSegmentMergePolicy.MergePolicyParams
getPartialExpunge() - Method in class org.apache.lucene.index.BalancedSegmentMergePolicy
getPartialExpunge() - Method in class org.apache.lucene.index.BalancedSegmentMergePolicy.MergePolicyParams
GetTermInfo - Class in org.apache.lucene.misc
  Utility to get document frequency and total number of occurrences (sum of the tf for each doc) of a term.
GetTermInfo() - Constructor for class org.apache.lucene.misc.GetTermInfo
getTermInfo(Directory, Term) - Static method in class org.apache.lucene.misc.GetTermInfo
getTotalTermFreq(IndexReader, Term) - Static method in class org.apache.lucene.misc.HighFreqTerms

## H

HighFreqTerms - Class in org.apache.lucene.misc
  `HighFreqTerms` class extracts the top n most frequent terms (by document frequency ) from an existing Lucene index and reports their document frequency.
HighFreqTerms() - Constructor for class org.apache.lucene.misc.HighFreqTerms
hyperbolicTf(float) - Method in class org.apache.lucene.misc.SweetSpotSimilarity
  Uses a hyperbolic tangent function that allows for a hard max...

## I

IndexMergeTool - Class in org.apache.lucene.misc
  Merges indices specified on the command line into the index specified as the first command line argument.
IndexMergeTool() - Constructor for class org.apache.lucene.misc.IndexMergeTool
IndexSorter - Class in org.apache.lucene.index
  Sort an index by document importance factor.
IndexSorter() - Constructor for class org.apache.lucene.index.IndexSorter
IndexSplitter - Class in org.apache.lucene.index
  Command-line tool that enables listing segments in an index, copying specific segments to another index, and deleting segments from an index.
IndexSplitter(File) - Constructor for class org.apache.lucene.index.IndexSplitter
infos - Variable in class org.apache.lucene.index.IndexSplitter
isUseCompoundFile() - Method in class org.apache.lucene.index.BalancedSegmentMergePolicy.MergePolicyParams

## L

length() - Method in class org.apache.lucene.store.WindowsDirectory.WindowsIndexInput
listSegments() - Method in class org.apache.lucene.index.IndexSplitter

## M

madvise(ByteBuffer, int) - Static method in class org.apache.lucene.store.NativePosixUtil
main(String[]) - Static method in class org.apache.lucene.index.CompoundFileExtractor
main(String[]) - Static method in class org.apache.lucene.index.FieldNormModifier
  Deprecated. Command Line Execution method.
main(String[]) - Static method in class org.apache.lucene.index.IndexSorter
main(String[]) - Static method in class org.apache.lucene.index.IndexSplitter
main(String[]) - Static method in class org.apache.lucene.index.MultiPassIndexSplitter
main(String[]) - Static method in class org.apache.lucene.misc.GetTermInfo
main(String[]) - Static method in class org.apache.lucene.misc.HighFreqTerms
main(String[]) - Static method in class org.apache.lucene.misc.IndexMergeTool
MultiPassIndexSplitter - Class in org.apache.lucene.index
  This tool splits input index into multiple equal parts.
MultiPassIndexSplitter() - Constructor for class org.apache.lucene.index.MultiPassIndexSplitter

## N

NativePosixUtil - Class in org.apache.lucene.store
NativePosixUtil() - Constructor for class org.apache.lucene.store.NativePosixUtil
NOREUSE - Static variable in class org.apache.lucene.store.NativePosixUtil
NORMAL - Static variable in class org.apache.lucene.store.NativePosixUtil
numTerms - Static variable in class org.apache.lucene.misc.HighFreqTerms

## O

open_direct(String, boolean) - Static method in class org.apache.lucene.store.NativePosixUtil
openInput(String, int) - Method in class org.apache.lucene.store.DirectIOLinuxDirectory
openInput(String, int) - Method in class org.apache.lucene.store.WindowsDirectory
org.apache.lucene.index - package org.apache.lucene.index
org.apache.lucene.misc - package org.apache.lucene.misc
  Miscellaneous index tools.
org.apache.lucene.store - package org.apache.lucene.store

## P

PKIndexSplitter - Class in org.apache.lucene.index
  Split an index based on a `Filter`.
PKIndexSplitter(Directory, Directory, Directory, Filter) - Constructor for class org.apache.lucene.index.PKIndexSplitter
  Deprecated. use `PKIndexSplitter.PKIndexSplitter(Version, Directory, Directory, Directory, Filter)` instead. This constructor will be removed in Lucene 4.0.
PKIndexSplitter(Directory, Directory, Directory, Term) - Constructor for class org.apache.lucene.index.PKIndexSplitter
  Deprecated. use `PKIndexSplitter.PKIndexSplitter(Version, Directory, Directory, Directory, Term)` instead. This constructor will be removed in Lucene 4.0.
PKIndexSplitter(Version, Directory, Directory, Directory, Filter) - Constructor for class org.apache.lucene.index.PKIndexSplitter
  Split an index based on a `Filter`.
PKIndexSplitter(Directory, Directory, Directory, Filter, IndexWriterConfig, IndexWriterConfig) - Constructor for class org.apache.lucene.index.PKIndexSplitter
PKIndexSplitter(Version, Directory, Directory, Directory, Term) - Constructor for class org.apache.lucene.index.PKIndexSplitter
  Split an index based on a given primary key term and a 'middle' term.
PKIndexSplitter(Directory, Directory, Directory, Term, IndexWriterConfig, IndexWriterConfig) - Constructor for class org.apache.lucene.index.PKIndexSplitter
posix_madvise(ByteBuffer, int) - Static method in class org.apache.lucene.store.NativePosixUtil
pread(FileDescriptor, long, ByteBuffer) - Static method in class org.apache.lucene.store.NativePosixUtil

## R

RANDOM - Static variable in class org.apache.lucene.store.NativePosixUtil
readInternal(byte[], int, int) - Method in class org.apache.lucene.store.WindowsDirectory.WindowsIndexInput
remove(String[]) - Method in class org.apache.lucene.index.IndexSplitter
reSetNorms(String) - Method in class org.apache.lucene.index.FieldNormModifier
  Deprecated. Resets the norms for the specified field.

## S

seekInternal(long) - Method in class org.apache.lucene.store.WindowsDirectory.WindowsIndexInput
SEQUENTIAL - Static variable in class org.apache.lucene.store.NativePosixUtil
setBaselineTfFactors(float, float) - Method in class org.apache.lucene.misc.SweetSpotSimilarity
  Sets the baseline and minimum function variables for baselineTf
setHyperbolicTfFactors(float, float, double, float) - Method in class org.apache.lucene.misc.SweetSpotSimilarity
  Sets the function variables for the hyperbolicTf functions
setLengthNormFactors(int, int, float) - Method in class org.apache.lucene.misc.SweetSpotSimilarity
  Sets the default function variables used by lengthNorm when no field specific variables have been set.
setLengthNormFactors(String, int, int, float, boolean) - Method in class org.apache.lucene.misc.SweetSpotSimilarity
  Sets the function variables used by lengthNorm for a specific named field.
setMaxMergeDocs(int) - Method in class org.apache.lucene.index.BalancedSegmentMergePolicy.MergePolicyParams
setMaxSmallSegments(int) - Method in class org.apache.lucene.index.BalancedSegmentMergePolicy.MergePolicyParams
setMaxSmallSegments(int) - Method in class org.apache.lucene.index.BalancedSegmentMergePolicy
setMergeFactor(int) - Method in class org.apache.lucene.index.BalancedSegmentMergePolicy.MergePolicyParams
setMergeFactor(int) - Method in class org.apache.lucene.index.BalancedSegmentMergePolicy
setMergePolicyParams(BalancedSegmentMergePolicy.MergePolicyParams) - Method in class org.apache.lucene.index.BalancedSegmentMergePolicy
setNumLargeSegments(int) - Method in class org.apache.lucene.index.BalancedSegmentMergePolicy.MergePolicyParams
setNumLargeSegments(int) - Method in class org.apache.lucene.index.BalancedSegmentMergePolicy
setPartialExpunge(boolean) - Method in class org.apache.lucene.index.BalancedSegmentMergePolicy.MergePolicyParams
setPartialExpunge(boolean) - Method in class org.apache.lucene.index.BalancedSegmentMergePolicy
setUseCompoundFile(boolean) - Method in class org.apache.lucene.index.BalancedSegmentMergePolicy.MergePolicyParams
size(SegmentInfo) - Method in class org.apache.lucene.index.BalancedSegmentMergePolicy
sort(Directory, Directory, String) - Method in class org.apache.lucene.index.IndexSorter
sortByTotalTermFreq(IndexReader, TermStats[]) - Static method in class org.apache.lucene.misc.HighFreqTerms
  Takes array of TermStats.
split(File, String[]) - Method in class org.apache.lucene.index.IndexSplitter
split(IndexReader, Directory[], boolean) - Method in class org.apache.lucene.index.MultiPassIndexSplitter
  Deprecated. use `MultiPassIndexSplitter.split(Version, IndexReader, Directory[], boolean)` instead. This method will be removed in Lucene 4.0.
split(Version, IndexReader, Directory[], boolean) - Method in class org.apache.lucene.index.MultiPassIndexSplitter
  Split source index into multiple parts.
split() - Method in class org.apache.lucene.index.PKIndexSplitter
SweetSpotSimilarity - Class in org.apache.lucene.misc
  A similarity with a lengthNorm that provides for a "plateau" of equally good lengths, and tf helper functions.
SweetSpotSimilarity() - Constructor for class org.apache.lucene.misc.SweetSpotSimilarity

## T

TermVectorAccessor - Class in org.apache.lucene.index
  Transparent access to the vector space model, either via TermFreqVector or by resolving it from the inverted index.
TermVectorAccessor() - Constructor for class org.apache.lucene.index.TermVectorAccessor
tf(int) - Method in class org.apache.lucene.misc.SweetSpotSimilarity
  Delegates to baselineTf

## W

WILLNEED - Static variable in class org.apache.lucene.store.NativePosixUtil
WindowsDirectory - Class in org.apache.lucene.store
  Native `Directory` implementation for Microsoft Windows.
WindowsDirectory(File, LockFactory) - Constructor for class org.apache.lucene.store.WindowsDirectory
  Create a new WindowsDirectory for the named location.
WindowsDirectory(File) - Constructor for class org.apache.lucene.store.WindowsDirectory
  Create a new WindowsDirectory for the named location and `NativeFSLockFactory`.
WindowsDirectory.WindowsIndexInput - Class in org.apache.lucene.store
WindowsDirectory.WindowsIndexInput(File, int) - Constructor for class org.apache.lucene.store.WindowsDirectory.WindowsIndexInput

A B C D F G H I L M N O P R S T W

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