content: package org.apache.solr.search.grouping.distributed.responseprocessor;
  
  /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  import org.apache.lucene.search.FieldDoc;
  import org.apache.solr.common.SolrDocument;
  import org.apache.solr.common.SolrDocumentList;
  import org.apache.solr.handler.component.ResponseBuilder;
  import org.apache.solr.handler.component.ShardDoc;
  import org.apache.solr.handler.component.ShardRequest;
  import org.apache.solr.handler.component.ShardResponse;
  import org.apache.solr.search.SolrIndexSearcher;
  import org.apache.solr.search.grouping.distributed.ShardResponseProcessor;
  
  /**
   * Concrete implementation for processing the stored field values from shard responses.
   */
  public class StoredFieldsShardResponseProcessor implements ShardResponseProcessor {
  
    /**
     * {@inheritDoc}
     */
    public void process(ResponseBuilder rb, ShardRequest shardRequest) {
      boolean returnScores = (rb.getFieldFlags() & SolrIndexSearcher.GET_SCORES) != 0;
      ShardResponse srsp = shardRequest.responses.get(0);
      SolrDocumentList docs = (SolrDocumentList)srsp.getSolrResponse().getResponse().get("response");
      String uniqueIdFieldName = rb.req.getSchema().getUniqueKeyField().getName();
  
      for (SolrDocument doc : docs) {
        Object id = doc.getFieldValue(uniqueIdFieldName).toString();
        ShardDoc shardDoc = rb.resultIds.get(id);
        FieldDoc fieldDoc = (FieldDoc) shardDoc;
        if (shardDoc != null) {
          if (returnScores && !Float.isNaN(fieldDoc.score)) {
              doc.setField("score", fieldDoc.score);
          }
          rb.retrievedDocuments.put(id, doc);
        }
      }
    }
  }
  