Java Code Examples for org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter#OrdinalMap

The following examples show how to use org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter#OrdinalMap . 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: ShardWriter.java    From linden with Apache License 2.0 6 votes vote down vote up 
/**
 * Process an intermediate form by carrying out, on the Lucene instance of
 * the shard, the deletes and the inserts (a ram index) in the form.
 * @param form  the intermediate form containing deletes and a ram index
 * @throws IOException
 */
public void process(IntermediateForm form, FacetsConfig facetsConfig) throws IOException {
  if (facetsConfig != null) {
    DirectoryTaxonomyWriter.OrdinalMap map = new DirectoryTaxonomyWriter.MemoryOrdinalMap();
    // merge the taxonomies
    taxoWriter.addTaxonomy(form.getTaxoDirectory(), map);
    int ordinalMap[] = map.getMap();
    DirectoryReader reader = DirectoryReader.open(form.getDirectory());
    try {
      List<AtomicReaderContext> leaves = reader.leaves();
      int numReaders = leaves.size();
      AtomicReader wrappedLeaves[] = new AtomicReader[numReaders];
      for (int i = 0; i < numReaders; i++) {
        wrappedLeaves[i] = new OrdinalMappingAtomicReader(leaves.get(i).reader(), ordinalMap, facetsConfig);
      }
      writer.addIndexes(new MultiReader(wrappedLeaves));
    } finally {
      reader.close();
    }
  } else {
    writer.addIndexes(new Directory[] { form.getDirectory() });
  }
  numForms++;
}
Example 2
Source File: IntermediateForm.java    From linden with Apache License 2.0 5 votes vote down vote up 
/**
 * This method is used by the index update combiner and process an
 * intermediate form into the current intermediate form. More specifically,
 * the input intermediate forms are a single-document ram index and/or a
 * single delete term.
 * @param form  the input intermediate form
 * @throws IOException
 */
public void process(IntermediateForm form, FacetsConfig facetsConfig) throws IOException {
  if (form.dir.ramBytesUsed() > 0 || form.taxoDir.ramBytesUsed() > 0) {
    if (writer == null) {
      createWriter();
    }

    if (facetsConfig != null) {
      DirectoryTaxonomyWriter.OrdinalMap map = new DirectoryTaxonomyWriter.MemoryOrdinalMap();
      // merge the taxonomies
      taxoWriter.addTaxonomy(form.taxoDir, map);
      int ordinalMap[] = map.getMap();
      DirectoryReader reader = DirectoryReader.open(form.dir);
      try {
        List<AtomicReaderContext> leaves = reader.leaves();
        int numReaders = leaves.size();
        AtomicReader wrappedLeaves[] = new AtomicReader[numReaders];
        for (int i = 0; i < numReaders; i++) {
          wrappedLeaves[i] = new OrdinalMappingAtomicReader(leaves.get(i).reader(), ordinalMap, facetsConfig);
        }
        writer.addIndexes(new MultiReader(wrappedLeaves));
      } finally {
        reader.close();
      }
    } else {
      writer.addIndexes(new Directory[] { form.dir });
    }
    numDocs++;
  }
}