| In Method: | DirectoryReader(Directory, SegmentInfos, IndexDeletionPolicy, boolean, int) |
| Code with Finding: |
class DirectoryReader {
/** Construct reading the named set of readers. */
DirectoryReader(Directory directory, SegmentInfos sis, IndexDeletionPolicy deletionPolicy, boolean readOnly, int termInfosIndexDivisor) throws IOException {
this.directory = directory;
this.readOnly = readOnly;
this.segmentInfos = sis;
this.deletionPolicy = deletionPolicy;
this.termInfosIndexDivisor = termInfosIndexDivisor;
if (!readOnly) {
// We assume that this segments_N was previously
// properly sync'd:
synced.addAll(sis.files(directory, true));
}
// To reduce the chance of hitting FileNotFound
// (and having to retry), we open segments in
// reverse because IndexWriter merges & deletes
// the newest segments first.
SegmentReader[] readers = new SegmentReader[sis.size()];
for (int i = sis.size()-1; i >= 0; i--) {
boolean success = false;
try {
readers[i] = SegmentReader.get(readOnly, sis.info(i), termInfosIndexDivisor);
success = true;
} finally {
if (!success) {
// Close all readers we had opened:
for(i++;i<sis.size();i++) {
try {
readers[i].close();
} catch (Throwable ignore) {
// keep going - we want to clean up as much as possible
}
}
}
}
}
initialize(readers);
}
}
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