Uses of Class
org.apache.lucene.index.SegmentInfos

Packages that use SegmentInfos

Package	Description
org.apache.lucene.index	Code to maintain and access indices.
org.apache.lucene.misc.index	Misc index tools and index support.
org.apache.lucene.sandbox.index	Experimental index-related classes

Uses of SegmentInfos in org.apache.lucene.index

Fields in org.apache.lucene.index declared as SegmentInfos

Modifier and Type	Field	Description
private SegmentInfos	IndexFileDeleter.lastSegmentInfos
(package private) SegmentInfos	CheckIndex.Status.newSegments	SegmentInfos instance containing only segments that had no problems (this is used with the CheckIndex.exorciseIndex(org.apache.lucene.index.CheckIndex.Status) method to repair the index.
private SegmentInfos	IndexWriter.pendingCommit
private final SegmentInfos	IndexWriter.segmentInfos
private final SegmentInfos	ReaderPool.segmentInfos
(package private) final SegmentInfos	StandardDirectoryReader.segmentInfos

Methods in org.apache.lucene.index that return SegmentInfos

Modifier and Type	Method	Description
SegmentInfos	SegmentInfos.clone()	Returns a copy of this instance, also copying each SegmentInfo.
(package private) final SegmentInfos	IndexWriter.cloneSegmentInfos()	Tests should use this method to snapshot the current segmentInfos to have a consistent view
SegmentInfos	StandardDirectoryReader.getSegmentInfos()	Return the SegmentInfos for this reader.
static final SegmentInfos	SegmentInfos.readCommit(Directory directory, String segmentFileName)	Read a particular segmentFileName.
(package private) static final SegmentInfos	SegmentInfos.readCommit(Directory directory, String segmentFileName, int minSupportedMajorVersion)
static final SegmentInfos	SegmentInfos.readCommit(Directory directory, ChecksumIndexInput input, long generation)	Read the commit from the provided ChecksumIndexInput.
(package private) static final SegmentInfos	SegmentInfos.readCommit(Directory directory, ChecksumIndexInput input, long generation, int minSupportedMajorVersion)	Read the commit from the provided ChecksumIndexInput.
static final SegmentInfos	SegmentInfos.readLatestCommit(Directory directory)	Find the latest commit (segments_N file) and load all SegmentCommitInfos.
static final SegmentInfos	SegmentInfos.readLatestCommit(Directory directory, int minSupportedMajorVersion)	Find the latest commit (segments_N file) and load all SegmentCommitInfos, as long as the commit's getIndexCreatedVersionMajor() is strictly greater than the provided minimum supported major version.
(package private) SegmentInfos	IndexWriter.toLiveInfos(SegmentInfos sis)

Methods in org.apache.lucene.index with parameters of type SegmentInfos

Modifier and Type	Method	Description
void	IndexFileDeleter.checkpoint(SegmentInfos segmentInfos, boolean isCommit)	For definition of "check point" see IndexWriter comments: "Clarification: Check Points (and commits)".
(package private) boolean	ReaderPool.commit(SegmentInfos infos)	Commit live docs changes for the segment readers for the provided infos.
(package private) void	IndexFileDeleter.decRef(SegmentInfos segmentInfos)
void	IndexWriter.decRefDeleter(SegmentInfos segmentInfos)	Record that the files referenced by this SegmentInfos are no longer in use.
(package private) DirectoryReader	StandardDirectoryReader.doOpenIfChanged(SegmentInfos infos)
private boolean	IndexWriter.filesExist(SegmentInfos toSync)
MergePolicy.MergeSpecification	FilterMergePolicy.findForcedDeletesMerges(SegmentInfos segmentInfos, MergePolicy.MergeContext mergeContext)
MergePolicy.MergeSpecification	LogMergePolicy.findForcedDeletesMerges(SegmentInfos segmentInfos, MergePolicy.MergeContext mergeContext)	Finds merges necessary to force-merge all deletes from the index.
abstract MergePolicy.MergeSpecification	MergePolicy.findForcedDeletesMerges(SegmentInfos segmentInfos, MergePolicy.MergeContext mergeContext)	Determine what set of merge operations is necessary in order to expunge all deletes from the index.
MergePolicy.MergeSpecification	NoMergePolicy.findForcedDeletesMerges(SegmentInfos segmentInfos, MergePolicy.MergeContext mergeContext)
MergePolicy.MergeSpecification	OneMergeWrappingMergePolicy.findForcedDeletesMerges(SegmentInfos segmentInfos, MergePolicy.MergeContext mergeContext)
MergePolicy.MergeSpecification	TieredMergePolicy.findForcedDeletesMerges(SegmentInfos infos, MergePolicy.MergeContext mergeContext)
MergePolicy.MergeSpecification	FilterMergePolicy.findForcedMerges(SegmentInfos segmentInfos, int maxSegmentCount, Map<SegmentCommitInfo,Boolean> segmentsToMerge, MergePolicy.MergeContext mergeContext)
MergePolicy.MergeSpecification	LogMergePolicy.findForcedMerges(SegmentInfos infos, int maxNumSegments, Map<SegmentCommitInfo,Boolean> segmentsToMerge, MergePolicy.MergeContext mergeContext)	Returns the merges necessary to merge the index down to a specified number of segments.
abstract MergePolicy.MergeSpecification	MergePolicy.findForcedMerges(SegmentInfos segmentInfos, int maxSegmentCount, Map<SegmentCommitInfo,Boolean> segmentsToMerge, MergePolicy.MergeContext mergeContext)	Determine what set of merge operations is necessary in order to merge to <= the specified segment count.
MergePolicy.MergeSpecification	NoMergePolicy.findForcedMerges(SegmentInfos segmentInfos, int maxSegmentCount, Map<SegmentCommitInfo,Boolean> segmentsToMerge, MergePolicy.MergeContext mergeContext)
MergePolicy.MergeSpecification	OneMergeWrappingMergePolicy.findForcedMerges(SegmentInfos segmentInfos, int maxSegmentCount, Map<SegmentCommitInfo,Boolean> segmentsToMerge, MergePolicy.MergeContext mergeContext)
MergePolicy.MergeSpecification	TieredMergePolicy.findForcedMerges(SegmentInfos infos, int maxSegmentCount, Map<SegmentCommitInfo,Boolean> segmentsToMerge, MergePolicy.MergeContext mergeContext)
MergePolicy.MergeSpecification	UpgradeIndexMergePolicy.findForcedMerges(SegmentInfos segmentInfos, int maxSegmentCount, Map<SegmentCommitInfo,Boolean> segmentsToMerge, MergePolicy.MergeContext mergeContext)
private MergePolicy.MergeSpecification	LogMergePolicy.findForcedMergesMaxNumSegments(SegmentInfos infos, int maxNumSegments, int last, MergePolicy.MergeContext mergeContext)	Returns the merges necessary to forceMerge the index.
private MergePolicy.MergeSpecification	LogMergePolicy.findForcedMergesSizeLimit(SegmentInfos infos, int last, MergePolicy.MergeContext mergeContext)	Returns the merges necessary to merge the index, taking the max merge size or max merge docs into consideration.
MergePolicy.MergeSpecification	FilterMergePolicy.findFullFlushMerges(MergeTrigger mergeTrigger, SegmentInfos segmentInfos, MergePolicy.MergeContext mergeContext)
MergePolicy.MergeSpecification	MergePolicy.findFullFlushMerges(MergeTrigger mergeTrigger, SegmentInfos segmentInfos, MergePolicy.MergeContext mergeContext)	Identifies merges that we want to execute (synchronously) on commit.
MergePolicy.MergeSpecification	NoMergePolicy.findFullFlushMerges(MergeTrigger mergeTrigger, SegmentInfos segmentInfos, MergePolicy.MergeContext mergeContext)
MergePolicy.MergeSpecification	OneMergeWrappingMergePolicy.findFullFlushMerges(MergeTrigger mergeTrigger, SegmentInfos segmentInfos, MergePolicy.MergeContext mergeContext)
MergePolicy.MergeSpecification	FilterMergePolicy.findMerges(MergeTrigger mergeTrigger, SegmentInfos segmentInfos, MergePolicy.MergeContext mergeContext)
MergePolicy.MergeSpecification	LogMergePolicy.findMerges(MergeTrigger mergeTrigger, SegmentInfos infos, MergePolicy.MergeContext mergeContext)	Checks if any merges are now necessary and returns a MergePolicy.MergeSpecification if so.
abstract MergePolicy.MergeSpecification	MergePolicy.findMerges(MergeTrigger mergeTrigger, SegmentInfos segmentInfos, MergePolicy.MergeContext mergeContext)	Determine what set of merge operations are now necessary on the index.
MergePolicy.MergeSpecification	NoMergePolicy.findMerges(MergeTrigger mergeTrigger, SegmentInfos segmentInfos, MergePolicy.MergeContext mergeContext)
MergePolicy.MergeSpecification	OneMergeWrappingMergePolicy.findMerges(MergeTrigger mergeTrigger, SegmentInfos segmentInfos, MergePolicy.MergeContext mergeContext)
MergePolicy.MergeSpecification	TieredMergePolicy.findMerges(MergeTrigger mergeTrigger, SegmentInfos infos, MergePolicy.MergeContext mergeContext)
MergePolicy.MergeSpecification	UpgradeIndexMergePolicy.findMerges(MergeTrigger mergeTrigger, SegmentInfos segmentInfos, MergePolicy.MergeContext mergeContext)
private StandardDirectoryReader	IndexWriter.finishGetReaderMerge(AtomicBoolean stopCollectingMergedReaders, Map<String,SegmentReader> mergedReaders, Map<String,SegmentReader> openedReadOnlyClones, SegmentInfos openingSegmentInfos, boolean applyAllDeletes, boolean writeAllDeletes, MergePolicy.MergeSpecification pointInTimeMerges, long maxCommitMergeWaitMillis)
private List<TieredMergePolicy.SegmentSizeAndDocs>	TieredMergePolicy.getSortedBySegmentSize(SegmentInfos infos, MergePolicy.MergeContext mergeContext)
(package private) void	IndexFileDeleter.incRef(SegmentInfos segmentInfos, boolean isCommit)
void	IndexWriter.incRefDeleter(SegmentInfos segmentInfos)	Record that the files referenced by this SegmentInfos are still in use.
(package private) static void	IndexFileDeleter.inflateGens(SegmentInfos infos, Collection<String> files, InfoStream infoStream)	Set all gens beyond what we currently see in the directory, to avoid double-write in cases where the previous IndexWriter did not gracefully close/rollback (e.g.
protected boolean	LogMergePolicy.isMerged(SegmentInfos infos, int maxNumSegments, Map<SegmentCommitInfo,Boolean> segmentsToMerge, MergePolicy.MergeContext mergeContext)	Returns true if the number of segments eligible for merging is less than or equal to the specified maxNumSegments.
protected final boolean	MergePolicy.isMerged(SegmentInfos infos, SegmentCommitInfo info, MergePolicy.MergeContext mergeContext)	Returns true if this single info is already fully merged (has no pending deletes, is in the same dir as the writer, and matches the current compound file setting
private StandardDirectoryReader	IndexWriter.maybeReopenMergedNRTReader(Map<String,SegmentReader> mergedReaders, Map<String,SegmentReader> openedReadOnlyClones, SegmentInfos openingSegmentInfos, boolean applyAllDeletes, boolean writeAllDeletes)
(package private) boolean	IndexWriter.nrtIsCurrent(SegmentInfos infos)
(package private) static StandardDirectoryReader	StandardDirectoryReader.open(IndexWriter writer, IOFunction<SegmentCommitInfo,SegmentReader> readerFunction, SegmentInfos infos, boolean applyAllDeletes, boolean writeAllDeletes)	Used by near real-time search
static DirectoryReader	StandardDirectoryReader.open(Directory directory, SegmentInfos infos, List<? extends LeafReader> oldReaders, Comparator<LeafReader> leafSorter)	This constructor is only used for StandardDirectoryReader.doOpenIfChanged(SegmentInfos), as well as NRT replication.
private static void	SegmentInfos.parseSegmentInfos(Directory directory, DataInput input, SegmentInfos infos, int format)
private MergePolicy.MergeSpecification	IndexWriter.preparePointInTimeMerge(SegmentInfos mergingSegmentInfos, BooleanSupplier stopCollectingMergeResults, MergeTrigger trigger, IOConsumer<SegmentCommitInfo> mergeFinished)	This optimization allows a commit/getReader to wait for merges on smallish segments to reduce the eventual number of tiny segments in the commit point / NRT Reader.
(package private) void	SegmentInfos.replace(SegmentInfos other)	Replaces all segments in this instance, but keeps generation, version, counter so that future commits remain write once.
private void	IndexWriter.startCommit(SegmentInfos toSync)	Walk through all files referenced by the current segmentInfos and ask the Directory to sync each file, if it wasn't already.
private CheckIndex.Status.SegmentInfoStatus	CheckIndex.testSegment(SegmentInfos sis, SegmentCommitInfo info, PrintStream infoStream)
(package private) SegmentInfos	IndexWriter.toLiveInfos(SegmentInfos sis)
void	SegmentInfos.updateGeneration(SegmentInfos other)	Carry over generation numbers from another SegmentInfos
(package private) void	SegmentInfos.updateGenerationVersionAndCounter(SegmentInfos other)
boolean	FilterMergePolicy.useCompoundFile(SegmentInfos infos, SegmentCommitInfo mergedInfo, MergePolicy.MergeContext mergeContext)
boolean	MergePolicy.useCompoundFile(SegmentInfos infos, SegmentCommitInfo mergedInfo, MergePolicy.MergeContext mergeContext)	Returns true if a new segment (regardless of its origin) should use the compound file format.
boolean	NoMergePolicy.useCompoundFile(SegmentInfos segments, SegmentCommitInfo newSegment, MergePolicy.MergeContext mergeContext)

Constructors in org.apache.lucene.index with parameters of type SegmentInfos

Modifier	Constructor	Description
	CommitPoint(Collection<IndexFileDeleter.CommitPoint> commitsToDelete, Directory directoryOrig, SegmentInfos segmentInfos)
	IndexFileDeleter(String[] files, Directory directoryOrig, Directory directory, IndexDeletionPolicy policy, SegmentInfos segmentInfos, InfoStream infoStream, IndexWriter writer, boolean initialIndexExists, boolean isReaderInit)	Initialize the deleter: find all previous commits in the Directory, incref the files they reference, call the policy to let it delete commits.
(package private)	ReaderCommit(StandardDirectoryReader reader, SegmentInfos infos, Directory dir)
(package private)	ReaderPool(Directory directory, Directory originalDirectory, SegmentInfos segmentInfos, FieldInfos.FieldNumbers fieldNumbers, LongSupplier completedDelGenSupplier, InfoStream infoStream, String softDeletesField, StandardDirectoryReader reader)
(package private)	StandardDirectoryReader(Directory directory, LeafReader[] readers, IndexWriter writer, SegmentInfos sis, Comparator<LeafReader> leafSorter, boolean applyAllDeletes, boolean writeAllDeletes)	package private constructor, called only from static open() methods.

Uses of SegmentInfos in org.apache.lucene.misc.index

Fields in org.apache.lucene.misc.index declared as SegmentInfos

Modifier and Type	Field	Description
final SegmentInfos	IndexSplitter.infos

Methods in org.apache.lucene.misc.index with parameters of type SegmentInfos

Modifier and Type	Method	Description
MergePolicy.MergeSpecification	BPReorderingMergePolicy.findForcedDeletesMerges(SegmentInfos segmentInfos, MergePolicy.MergeContext mergeContext)
MergePolicy.MergeSpecification	BPReorderingMergePolicy.findForcedMerges(SegmentInfos segmentInfos, int maxSegmentCount, Map<SegmentCommitInfo,Boolean> segmentsToMerge, MergePolicy.MergeContext mergeContext)
MergePolicy.MergeSpecification	BPReorderingMergePolicy.findFullFlushMerges(MergeTrigger mergeTrigger, SegmentInfos segmentInfos, MergePolicy.MergeContext mergeContext)
MergePolicy.MergeSpecification	BPReorderingMergePolicy.findMerges(MergeTrigger mergeTrigger, SegmentInfos segmentInfos, MergePolicy.MergeContext mergeContext)
private MergePolicy.MergeSpecification	BPReorderingMergePolicy.maybeReorder(MergePolicy.MergeSpecification spec, boolean forced, SegmentInfos infos)

Uses of SegmentInfos in org.apache.lucene.sandbox.index

Methods in org.apache.lucene.sandbox.index with parameters of type SegmentInfos

Modifier and Type	Method	Description
MergePolicy.MergeSpecification	MergeOnFlushMergePolicy.findFullFlushMerges(MergeTrigger mergeTrigger, SegmentInfos segmentInfos, MergePolicy.MergeContext mergeContext)