Example usage for org.apache.lucene.index ParallelCompositeReader ParallelCompositeReader

Introduction

In this page you can find the example usage for org.apache.lucene.index ParallelCompositeReader ParallelCompositeReader.

Prototype

public ParallelCompositeReader(CompositeReader... readers) throws IOException 

Source Link

Document

Create a ParallelCompositeReader based on the provided readers; auto-closes the given readers on #close() .

Usage

From source file:edu.utsa.sifter.IndexResource.java

License:Apache License

@Path("index")
@POST//from  w ww .ja v a 2  s  .co m
@Consumes({ MediaType.APPLICATION_JSON })
@Produces({ MediaType.APPLICATION_JSON })
public IndexInfo openIndex(IndexInfo idx) {
    if (idx.Id == null) {
        idx.Id = new String(Hex.encodeHex(Hasher.digest(idx.Path.getBytes())));
    }
    idx.Id = idx.Id.toLowerCase();

    IndexReader rdr = State.Indices.get(idx.Id);
    if (rdr == null) {
        try {
            final File evPath = new File(idx.Path);
            final File primaryIdx = new File(evPath, "primary-idx");
            final File somIdx = new File(evPath, "som-idx");
            DirectoryReader parallel[] = new DirectoryReader[2];
            parallel[0] = DirectoryReader.open(FSDirectory.open(primaryIdx));
            parallel[1] = DirectoryReader.open(FSDirectory.open(somIdx));

            rdr = new ParallelCompositeReader(parallel);
        } catch (IOException ex) {
            HttpResponse.setStatus(HttpServletResponse.SC_NOT_FOUND);
        }
    }
    if (rdr != null) {
        idx.NumDocs = rdr.numDocs();

        State.Indices.put(idx.Id, rdr);
        State.IndexLocations.put(idx.Id, idx);
    }
    return idx;
}

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