Examples with ShardRequest org.apache.solr.handler.component.ShardRequest used on opensource projects

Example 16 with ShardRequest

use of org.apache.solr.handler.component.ShardRequest in project lucene-solr by apache.

the class TopGroupsShardRequestFactory method createRequest.

private ShardRequest[] createRequest(ResponseBuilder rb, String[] shards) {
    ShardRequest sreq = new ShardRequest();
    sreq.shards = shards;
    sreq.purpose = ShardRequest.PURPOSE_GET_TOP_IDS;
    sreq.params = new ModifiableSolrParams(rb.req.getParams());
    // If group.format=simple group.offset doesn't make sense
    Grouping.Format responseFormat = rb.getGroupingSpec().getResponseFormat();
    if (responseFormat == Grouping.Format.simple || rb.getGroupingSpec().isMain()) {
        sreq.params.remove(GroupParams.GROUP_OFFSET);
    }
    sreq.params.remove(ShardParams.SHARDS);
    // 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");
    }
    if (rb.shards_rows > -1) {
        // if the client set shards.rows set this explicitly
        sreq.params.set(CommonParams.ROWS, rb.shards_rows);
    } else {
        sreq.params.set(CommonParams.ROWS, rb.getSortSpec().getOffset() + rb.getSortSpec().getCount());
    }
    sreq.params.set(GroupParams.GROUP_DISTRIBUTED_SECOND, "true");
    final IndexSchema schema = rb.req.getSearcher().getSchema();
    for (Map.Entry<String, Collection<SearchGroup<BytesRef>>> entry : rb.mergedSearchGroups.entrySet()) {
        for (SearchGroup<BytesRef> searchGroup : entry.getValue()) {
            String groupValue;
            if (searchGroup.groupValue != null) {
                FieldType fieldType = schema.getField(entry.getKey()).getType();
                groupValue = fieldType.indexedToReadable(searchGroup.groupValue, new CharsRefBuilder()).toString();
            } else {
                groupValue = GROUP_NULL_VALUE;
            }
            sreq.params.add(GroupParams.GROUP_DISTRIBUTED_TOPGROUPS_PREFIX + entry.getKey(), groupValue);
        }
    }
    if ((rb.getFieldFlags() & SolrIndexSearcher.GET_SCORES) != 0 || rb.getSortSpec().includesScore()) {
        sreq.params.set(CommonParams.FL, schema.getUniqueKeyField().getName() + ",score");
    } else {
        sreq.params.set(CommonParams.FL, schema.getUniqueKeyField().getName());
    }
    int origTimeAllowed = sreq.params.getInt(CommonParams.TIME_ALLOWED, -1);
    if (origTimeAllowed > 0) {
        sreq.params.set(CommonParams.TIME_ALLOWED, Math.max(1, origTimeAllowed - rb.firstPhaseElapsedTime));
    }
    return new ShardRequest[] { sreq };
}