예제 #1
0
  private void returnFields(ResponseBuilder rb, ShardRequest sreq) {
    // Keep in mind that this could also be a shard in a multi-tiered system.
    // TODO: if a multi-tiered system, it seems like some requests
    // could/should bypass middlemen (like retrieving stored fields)
    // TODO: merge fsv to if requested

    if ((sreq.purpose & ShardRequest.PURPOSE_GET_FIELDS) != 0) {
      boolean returnScores = (rb.getFieldFlags() & SolrIndexSearcher.GET_SCORES) != 0;

      assert (sreq.responses.size() == 1);
      ShardResponse srsp = sreq.responses.get(0);
      SolrDocumentList docs =
          (SolrDocumentList) srsp.getSolrResponse().getResponse().get("response");

      String keyFieldName = rb.req.getSchema().getUniqueKeyField().getName();

      for (SolrDocument doc : docs) {
        Object id = doc.getFieldValue(keyFieldName);
        ShardDoc sdoc = rb.resultIds.get(id.toString());
        if (sdoc != null) {
          if (returnScores && sdoc.score != null) {
            doc.setField("score", sdoc.score);
          }
          rb._responseDocs.set(sdoc.positionInResponse, doc);
        }
      }
    }
  }
예제 #2
0
  private void createMainQuery(ResponseBuilder rb) {
    ShardRequest sreq = new ShardRequest();
    sreq.purpose = ShardRequest.PURPOSE_GET_TOP_IDS;

    sreq.params = new ModifiableSolrParams(rb.req.getParams());
    // TODO: base on current params or original params?

    // don't pass through any shards param
    sreq.params.remove(ShardParams.SHARDS);

    // set the start (offset) to 0 for each shard request so we can properly merge
    // results from the start.
    if (rb.shards_start > -1) {
      // if the client set shards.start set this explicitly
      sreq.params.set(CommonParams.START, rb.shards_start);
    } else {
      sreq.params.set(CommonParams.START, "0");
    }
    // TODO: should we even use the SortSpec?  That's obtained from the QParser, and
    // perhaps we shouldn't attempt to parse the query at this level?
    // Alternate Idea: instead of specifying all these things at the upper level,
    // we could just specify that this is a shard request.
    if (rb.shards_rows > -1) {
      // if the client set shards.rows set this explicity
      sreq.params.set(CommonParams.ROWS, rb.shards_rows);
    } else {
      sreq.params.set(
          CommonParams.ROWS, rb.getSortSpec().getOffset() + rb.getSortSpec().getCount());
    }

    // in this first phase, request only the unique key field
    // and any fields needed for merging.
    sreq.params.set(ResponseBuilder.FIELD_SORT_VALUES, "true");

    if ((rb.getFieldFlags() & SolrIndexSearcher.GET_SCORES) != 0
        || rb.getSortSpec().includesScore()) {
      sreq.params.set(CommonParams.FL, rb.req.getSchema().getUniqueKeyField().getName() + ",score");
    } else {
      sreq.params.set(CommonParams.FL, rb.req.getSchema().getUniqueKeyField().getName());
    }

    rb.addRequest(this, sreq);
  }