@Override
public boolean isCurrent() throws CorruptIndexException, IOException {
ensureOpen();
if (writer == null || writer.isClosed()) {
// we loaded SegmentInfos from the directory
return SegmentInfos.readCurrentVersion(directory) == segmentInfos.getVersion();
} else {
return writer.nrtIsCurrent(segmentInfos);
}
}
public static boolean isClosed(IndexWriter writer) {
return writer.isClosed();
}
