/** * Obtain a ReadersAndLiveDocs instance from the * readerPool. If create is true, you must later call * {@link #release(ReadersAndUpdates, boolean)}. */ synchronized ReadersAndUpdates get(SegmentCommitInfo info, boolean create) { assert info.info.dir == originalDirectory: "info.dir=" + info.info.dir + " vs " + originalDirectory; if (closed.get()) { assert readerMap.isEmpty() : "Reader map is not empty: " + readerMap; throw new AlreadyClosedException("ReaderPool is already closed"); } ReadersAndUpdates rld = readerMap.get(info); if (rld == null) { if (create == false) { return null; } rld = new ReadersAndUpdates(segmentInfos.getIndexCreatedVersionMajor(), info, newPendingDeletes(info)); // Steal initial reference: readerMap.put(info, rld); } else { assert rld.info == info: "rld.info=" + rld.info + " info=" + info + " isLive?=" + assertInfoIsLive(rld.info) + " vs " + assertInfoIsLive(info); } if (create) { // Return ref to caller: rld.incRef(); } assert noDups(); return rld; }
ReaderPool(Directory directory, Directory originalDirectory, SegmentInfos segmentInfos, FieldInfos.FieldNumbers fieldNumbers, LongSupplier completedDelGenSupplier, InfoStream infoStream, String softDeletesField, StandardDirectoryReader reader) throws IOException { this.directory = directory; this.originalDirectory = originalDirectory; this.segmentInfos = segmentInfos; this.fieldNumbers = fieldNumbers; this.completedDelGenSupplier = completedDelGenSupplier; this.infoStream = infoStream; this.softDeletesField = softDeletesField; if (reader != null) { // Pre-enroll all segment readers into the reader pool; this is necessary so // any in-memory NRT live docs are correctly carried over, and so NRT readers // pulled from this IW share the same segment reader: List<LeafReaderContext> leaves = reader.leaves(); assert segmentInfos.size() == leaves.size(); for (int i=0;i<leaves.size();i++) { LeafReaderContext leaf = leaves.get(i); SegmentReader segReader = (SegmentReader) leaf.reader(); SegmentReader newReader = new SegmentReader(segmentInfos.info(i), segReader, segReader.getLiveDocs(), segReader.getHardLiveDocs(), segReader.numDocs(), true); readerMap.put(newReader.getOriginalSegmentInfo(), new ReadersAndUpdates(segmentInfos.getIndexCreatedVersionMajor(), newReader, newPendingDeletes(newReader, newReader.getOriginalSegmentInfo()))); } } }
/** * Obtain a ReadersAndLiveDocs instance from the * readerPool. If create is true, you must later call * {@link #release(ReadersAndUpdates, boolean)}. */ synchronized ReadersAndUpdates get(SegmentCommitInfo info, boolean create) { assert info.info.dir == originalDirectory: "info.dir=" + info.info.dir + " vs " + originalDirectory; if (closed.get()) { assert readerMap.isEmpty() : "Reader map is not empty: " + readerMap; throw new AlreadyClosedException("ReaderPool is already closed"); } ReadersAndUpdates rld = readerMap.get(info); if (rld == null) { if (create == false) { return null; } rld = new ReadersAndUpdates(segmentInfos.getIndexCreatedVersionMajor(), info, newPendingDeletes(info)); // Steal initial reference: readerMap.put(info, rld); } else { assert rld.info == info: "rld.info=" + rld.info + " info=" + info + " isLive?=" + assertInfoIsLive(rld.info) + " vs " + assertInfoIsLive(info); } if (create) { // Return ref to caller: rld.incRef(); } assert noDups(); return rld; }
/** * Obtain a ReadersAndLiveDocs instance from the * readerPool. If create is true, you must later call * {@link #release(ReadersAndUpdates)}. */ public synchronized ReadersAndUpdates get(SegmentCommitInfo info, boolean create) { // Make sure no new readers can be opened if another thread just closed us: ensureOpen(false); assert info.info.dir == directoryOrig: "info.dir=" + info.info.dir + " vs " + directoryOrig; ReadersAndUpdates rld = readerMap.get(info); if (rld == null) { if (!create) { return null; } rld = new ReadersAndUpdates(IndexWriter.this, info); // Steal initial reference: readerMap.put(info, rld); } else { assert rld.info == info: "rld.info=" + rld.info + " info=" + info + " isLive?=" + infoIsLive(rld.info) + " vs " + infoIsLive(info); } if (create) { // Return ref to caller: rld.incRef(); } assert noDups(); return rld; }
/** * Obtain a ReadersAndLiveDocs instance from the * readerPool. If create is true, you must later call * {@link #release(ReadersAndUpdates)}. */ public synchronized ReadersAndUpdates get(SegmentCommitInfo info, boolean create) { // Make sure no new readers can be opened if another thread just closed us: ensureOpen(false); assert info.info.dir == directoryOrig: "info.dir=" + info.info.dir + " vs " + directoryOrig; ReadersAndUpdates rld = readerMap.get(info); if (rld == null) { if (!create) { return null; } rld = new ReadersAndUpdates(IndexWriter.this, info); // Steal initial reference: readerMap.put(info, rld); } else { assert rld.info == info: "rld.info=" + rld.info + " info=" + info + " isLive?=" + infoIsLive(rld.info) + " vs " + infoIsLive(info); } if (create) { // Return ref to caller: rld.incRef(); } assert noDups(); return rld; }
ReaderPool(Directory directory, Directory originalDirectory, SegmentInfos segmentInfos, FieldInfos.FieldNumbers fieldNumbers, LongSupplier completedDelGenSupplier, InfoStream infoStream, String softDeletesField, StandardDirectoryReader reader) throws IOException { this.directory = directory; this.originalDirectory = originalDirectory; this.segmentInfos = segmentInfos; this.fieldNumbers = fieldNumbers; this.completedDelGenSupplier = completedDelGenSupplier; this.infoStream = infoStream; this.softDeletesField = softDeletesField; if (reader != null) { // Pre-enroll all segment readers into the reader pool; this is necessary so // any in-memory NRT live docs are correctly carried over, and so NRT readers // pulled from this IW share the same segment reader: List<LeafReaderContext> leaves = reader.leaves(); assert segmentInfos.size() == leaves.size(); for (int i=0;i<leaves.size();i++) { LeafReaderContext leaf = leaves.get(i); SegmentReader segReader = (SegmentReader) leaf.reader(); SegmentReader newReader = new SegmentReader(segmentInfos.info(i), segReader, segReader.getLiveDocs(), segReader.getHardLiveDocs(), segReader.numDocs(), true); readerMap.put(newReader.getOriginalSegmentInfo(), new ReadersAndUpdates(segmentInfos.getIndexCreatedVersionMajor(), newReader, newPendingDeletes(newReader, newReader.getOriginalSegmentInfo()))); } } }
SegmentReader segReader = (SegmentReader) leaf.reader(); SegmentReader newReader = new SegmentReader(segmentInfos.info(i), segReader, segReader.getLiveDocs(), segReader.numDocs()); readerPool.readerMap.put(newReader.getSegmentInfo(), new ReadersAndUpdates(this, newReader));
SegmentReader segReader = (SegmentReader) leaf.reader(); SegmentReader newReader = new SegmentReader(segmentInfos.info(i), segReader, segReader.getLiveDocs(), segReader.numDocs()); readerPool.readerMap.put(newReader.getSegmentInfo(), new ReadersAndUpdates(this, newReader));