Examples with FieldSelector org.apache.lucene.document.FieldSelector used on opensource projects

Example 1 with FieldSelector

use of org.apache.lucene.document.FieldSelector in project Solbase by Photobucket.

the class SolbaseComponent method process.

public void process(ResponseBuilder rb) throws IOException {
    DocList list = rb.getResults().docList;
    DocIterator it = list.iterator();
    List<Integer> docIds = new ArrayList<Integer>(list.size());
    while (it.hasNext()) docIds.add(it.next());
    IndexReader reader = (IndexReader) ((SolrIndexReader) rb.req.getSearcher().getIndexReader()).getWrappedReader();
    SolrQueryRequest req = rb.req;
    SolrParams params = req.getParams();
    String ids = params.get(ShardParams.IDS);
    // first phase of sharding only tries to fetch docids and scores which are already in tv
    if (SolbaseShardUtil.getNumShard() != 0) {
        if (ids != null) {
            IndexReader.firstPhase.set(false);
        } else {
            IndexReader.firstPhase.set(true);
        }
    } else {
        // it's always false in case of stand alone
        IndexReader.firstPhase.set(false);
    }
    logger.debug(reader.getIndexName() + " : Fetching " + docIds.size() + " Docs");
    if (docIds.size() > 0) {
        List<byte[]> fieldFilter = null;
        Set<String> returnFields = rb.rsp.getReturnFields();
        if (returnFields != null) {
            // copy return fields list
            fieldFilter = new ArrayList<byte[]>(returnFields.size());
            for (String field : returnFields) {
                fieldFilter.add(Bytes.toBytes(field));
            }
            // add highlight fields
            SolrHighlighter highligher = rb.req.getCore().getHighlighter();
            if (highligher.isHighlightingEnabled(rb.req.getParams())) {
                for (String field : highligher.getHighlightFields(rb.getQuery(), rb.req, null)) if (!returnFields.contains(field))
                    fieldFilter.add(Bytes.toBytes(field));
            }
            // fetch unique key if one exists.
            SchemaField keyField = rb.req.getSearcher().getSchema().getUniqueKeyField();
            if (null != keyField)
                if (!returnFields.contains(keyField))
                    fieldFilter.add(Bytes.toBytes(keyField.getName()));
        }
        FieldSelector selector = new SolbaseFieldSelector(docIds, fieldFilter);
        // This will bulk load these docs
        rb.req.getSearcher().getReader().document(docIds.get(0), selector);
    }
    ReaderCache.flushThreadLocalCaches(reader.getIndexName());
}