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

Packages that use IndexWriter

Package	Description
org.apache.lucene.index	Code to maintain and access indices.
org.apache.lucene.search	Code to search indices.

Uses of IndexWriter in org.apache.lucene.index

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

Modifier and Type	Method and Description
protected void	ConcurrentMergeScheduler.doMerge(IndexWriter writer, MergePolicy.OneMerge merge) Does the actual merge, by calling merge(org.apache.lucene.index.MergePolicy.OneMerge)
protected abstract DirectoryReader	DirectoryReader.doOpenIfChanged(IndexWriter writer, boolean applyAllDeletes) Implement this method to support DirectoryReader.openIfChanged(DirectoryReader,IndexWriter,boolean).
protected DirectoryReader	StandardDirectoryReader.doOpenIfChanged(IndexWriter writer, boolean applyAllDeletes)
protected DirectoryReader	FilterDirectoryReader.doOpenIfChanged(IndexWriter writer, boolean applyAllDeletes)
MergePolicy.MergeSpecification	MergePolicyWrapper.findForcedDeletesMerges(SegmentInfos segmentInfos, IndexWriter writer)
abstract MergePolicy.MergeSpecification	MergePolicy.findForcedDeletesMerges(SegmentInfos segmentInfos, IndexWriter writer) Determine what set of merge operations is necessary in order to expunge all deletes from the index.
MergePolicy.MergeSpecification	LogMergePolicy.findForcedDeletesMerges(SegmentInfos segmentInfos, IndexWriter writer) Finds merges necessary to force-merge all deletes from the index.
MergePolicy.MergeSpecification	TieredMergePolicy.findForcedDeletesMerges(SegmentInfos infos, IndexWriter writer)
MergePolicy.MergeSpecification	NoMergePolicy.findForcedDeletesMerges(SegmentInfos segmentInfos, IndexWriter writer)
MergePolicy.MergeSpecification	MergePolicyWrapper.findForcedMerges(SegmentInfos segmentInfos, int maxSegmentCount, Map<SegmentCommitInfo,Boolean> segmentsToMerge, IndexWriter writer)
abstract MergePolicy.MergeSpecification	MergePolicy.findForcedMerges(SegmentInfos segmentInfos, int maxSegmentCount, Map<SegmentCommitInfo,Boolean> segmentsToMerge, IndexWriter writer) Determine what set of merge operations is necessary in order to merge to <= the specified segment count.
MergePolicy.MergeSpecification	UpgradeIndexMergePolicy.findForcedMerges(SegmentInfos segmentInfos, int maxSegmentCount, Map<SegmentCommitInfo,Boolean> segmentsToMerge, IndexWriter writer)
MergePolicy.MergeSpecification	LogMergePolicy.findForcedMerges(SegmentInfos infos, int maxNumSegments, Map<SegmentCommitInfo,Boolean> segmentsToMerge, IndexWriter writer) Returns the merges necessary to merge the index down to a specified number of segments.
MergePolicy.MergeSpecification	TieredMergePolicy.findForcedMerges(SegmentInfos infos, int maxSegmentCount, Map<SegmentCommitInfo,Boolean> segmentsToMerge, IndexWriter writer)
MergePolicy.MergeSpecification	NoMergePolicy.findForcedMerges(SegmentInfos segmentInfos, int maxSegmentCount, Map<SegmentCommitInfo,Boolean> segmentsToMerge, IndexWriter writer)
MergePolicy.MergeSpecification	MergePolicyWrapper.findMerges(MergeTrigger mergeTrigger, SegmentInfos segmentInfos, IndexWriter writer)
abstract MergePolicy.MergeSpecification	MergePolicy.findMerges(MergeTrigger mergeTrigger, SegmentInfos segmentInfos, IndexWriter writer) Determine what set of merge operations are now necessary on the index.
MergePolicy.MergeSpecification	UpgradeIndexMergePolicy.findMerges(MergeTrigger mergeTrigger, SegmentInfos segmentInfos, IndexWriter writer)
MergePolicy.MergeSpecification	LogMergePolicy.findMerges(MergeTrigger mergeTrigger, SegmentInfos infos, IndexWriter writer) Checks if any merges are now necessary and returns a MergePolicy.MergeSpecification if so.
MergePolicy.MergeSpecification	TieredMergePolicy.findMerges(MergeTrigger mergeTrigger, SegmentInfos infos, IndexWriter writer)
MergePolicy.MergeSpecification	NoMergePolicy.findMerges(MergeTrigger mergeTrigger, SegmentInfos segmentInfos, IndexWriter writer)
protected ConcurrentMergeScheduler.MergeThread	ConcurrentMergeScheduler.getMergeThread(IndexWriter writer, MergePolicy.OneMerge merge) Create and return a new MergeThread
protected boolean	LogMergePolicy.isMerged(SegmentInfos infos, int maxNumSegments, Map<SegmentCommitInfo,Boolean> segmentsToMerge, IndexWriter writer) Returns true if the number of segments eligible for merging is less than or equal to the specified maxNumSegments.
protected boolean	MergePolicy.isMerged(SegmentInfos infos, SegmentCommitInfo info, IndexWriter writer) 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
protected boolean	ConcurrentMergeScheduler.maybeStall(IndexWriter writer) This is invoked by ConcurrentMergeScheduler.merge(org.apache.lucene.index.IndexWriter, org.apache.lucene.index.MergeTrigger, boolean) to possibly stall the incoming thread when there are too many merges running or pending.
void	ConcurrentMergeScheduler.merge(IndexWriter writer, MergeTrigger trigger, boolean newMergesFound)
void	NoMergeScheduler.merge(IndexWriter writer, MergeTrigger trigger, boolean newMergesFound)
abstract void	MergeScheduler.merge(IndexWriter writer, MergeTrigger trigger, boolean newMergesFound) Run the merges provided by getNextMerge().
void	SerialMergeScheduler.merge(IndexWriter writer, MergeTrigger trigger, boolean newMergesFound) Just do the merges in sequence.
protected void	LogMergePolicy.message(String message, IndexWriter writer) Print a debug message to IndexWriter's infoStream.
static DirectoryReader	DirectoryReader.open(IndexWriter writer) Open a near real time IndexReader from the IndexWriter.
static DirectoryReader	DirectoryReader.open(IndexWriter writer, boolean applyAllDeletes, boolean writeAllDeletes) Expert: open a near real time IndexReader from the IndexWriter, controlling whether past deletions should be applied.
static DirectoryReader	DirectoryReader.openIfChanged(DirectoryReader oldReader, IndexWriter writer) Expert: If there changes (committed or not) in the IndexWriter versus what the provided reader is searching, then open and return a new IndexReader searching both committed and uncommitted changes from the writer; else, return null (though, the current implementation never returns null).
static DirectoryReader	DirectoryReader.openIfChanged(DirectoryReader oldReader, IndexWriter writer, boolean applyAllDeletes) Expert: Opens a new reader, if there are any changes, controlling whether past deletions should be applied.
protected TieredMergePolicy.MergeScore	TieredMergePolicy.score(List<SegmentCommitInfo> candidate, boolean hitTooLarge, long mergingBytes, IndexWriter writer) Expert: scores one merge; subclasses can override.
protected long	LogDocMergePolicy.size(SegmentCommitInfo info, IndexWriter writer)
protected long	MergePolicyWrapper.size(SegmentCommitInfo info, IndexWriter writer)
protected long	MergePolicy.size(SegmentCommitInfo info, IndexWriter writer) Return the byte size of the provided SegmentCommitInfo, pro-rated by percentage of non-deleted documents is set.
protected long	LogByteSizeMergePolicy.size(SegmentCommitInfo info, IndexWriter writer)
protected long	NoMergePolicy.size(SegmentCommitInfo info, IndexWriter writer)
protected long	LogMergePolicy.sizeBytes(SegmentCommitInfo info, IndexWriter writer) Return the byte size of the provided SegmentCommitInfo, pro-rated by percentage of non-deleted documents if LogMergePolicy.setCalibrateSizeByDeletes(boolean) is set.
protected long	LogMergePolicy.sizeDocs(SegmentCommitInfo info, IndexWriter writer) Return the number of documents in the provided SegmentCommitInfo, pro-rated by percentage of non-deleted documents if LogMergePolicy.setCalibrateSizeByDeletes(boolean) is set.
boolean	MergePolicyWrapper.useCompoundFile(SegmentInfos infos, SegmentCommitInfo mergedInfo, IndexWriter writer)
boolean	MergePolicy.useCompoundFile(SegmentInfos infos, SegmentCommitInfo mergedInfo, IndexWriter writer) Returns true if a new segment (regardless of its origin) should use the compound file format.
boolean	NoMergePolicy.useCompoundFile(SegmentInfos segments, SegmentCommitInfo newSegment, IndexWriter writer)
protected boolean	LogMergePolicy.verbose(IndexWriter writer) Returns true if LMP is enabled in IndexWriter's infoStream.

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

Constructor and Description
MergeThread(IndexWriter writer, MergePolicy.OneMerge merge) Sole constructor.
ReaderManager(IndexWriter writer) Creates and returns a new ReaderManager from the given IndexWriter.
ReaderManager(IndexWriter writer, boolean applyAllDeletes, boolean writeAllDeletes) Expert: creates and returns a new ReaderManager from the given IndexWriter, controlling whether past deletions should be applied.

Uses of IndexWriter in org.apache.lucene.search

Constructors in org.apache.lucene.search with parameters of type IndexWriter

Constructor and Description
ControlledRealTimeReopenThread(IndexWriter writer, ReferenceManager<T> manager, double targetMaxStaleSec, double targetMinStaleSec) Create ControlledRealTimeReopenThread, to periodically reopen the a ReferenceManager.
SearcherManager(IndexWriter writer, boolean applyAllDeletes, boolean writeAllDeletes, SearcherFactory searcherFactory) Expert: creates and returns a new SearcherManager from the given IndexWriter, controlling whether past deletions should be applied.
SearcherManager(IndexWriter writer, SearcherFactory searcherFactory) Creates and returns a new SearcherManager from the given IndexWriter.