Java Code Examples for org.elasticsearch.common.lucene.Lucene#readSegmentInfos()

The following examples show how to use org.elasticsearch.common.lucene.Lucene#readSegmentInfos() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: Engine.java    From Elasticsearch with Apache License 2.0 6 votes vote down vote up 
/**
 * Read the last segments info from the commit pointed to by the searcher manager
 */
protected static SegmentInfos readLastCommittedSegmentInfos(final SearcherManager sm, final Store store) throws IOException {
    IndexSearcher searcher = sm.acquire();
    try {
        IndexCommit latestCommit = ((DirectoryReader) searcher.getIndexReader()).getIndexCommit();
        return Lucene.readSegmentInfos(latestCommit);
    } catch (IOException e) {
        // Fall back to reading from the store if reading from the commit fails
        try {
            return store. readLastCommittedSegmentsInfo();
        } catch (IOException e2) {
            e2.addSuppressed(e);
            throw e2;
        }
    } finally {
        sm.release(searcher);
    }
}
Example 2
Source File: Store.java    From Elasticsearch with Apache License 2.0 5 votes vote down vote up 
/**
 * Tries to open an index for the given location. This includes reading the
 * segment infos and possible corruption markers. If the index can not
 * be opened, an exception is thrown
 */
public static int tryOpenIndex(Path indexLocation) throws IOException {
    try (Directory dir = new SimpleFSDirectory(indexLocation)) {
        failIfCorrupted(dir, new ShardId("", 1));
        SegmentInfos segmentInfos = Lucene.readSegmentInfos(dir);
        int numDocs = Lucene.getNumDocs(segmentInfos);
        return numDocs;
    }
}
Example 3
Source File: Store.java    From crate with Apache License 2.0 5 votes vote down vote up 
/**
 * Tries to open an index for the given location. This includes reading the
 * segment infos and possible corruption markers. If the index can not
 * be opened, an exception is thrown
 */
public static void tryOpenIndex(Path indexLocation, ShardId shardId, NodeEnvironment.ShardLocker shardLocker, Logger logger) throws IOException, ShardLockObtainFailedException {
    try (ShardLock lock = shardLocker.lock(shardId, "open index", TimeUnit.SECONDS.toMillis(5));
         Directory dir = new SimpleFSDirectory(indexLocation)) {
        failIfCorrupted(dir, shardId);
        SegmentInfos segInfo = Lucene.readSegmentInfos(dir);
        logger.trace("{} loaded segment info [{}]", shardId, segInfo);
    }
}