Examples with SpatialQueryable org.apache.solr.schema.SpatialQueryable used on opensource projects

Example 1 with SpatialQueryable

use of org.apache.solr.schema.SpatialQueryable in project lucene-solr by apache.

the class SpatialFilterQParser method parse.

@Override
public Query parse() throws SyntaxError {
    //if more than one, we need to treat them as a point...
    //TODO: Should we accept multiple fields
    String[] fields = localParams.getParams("f");
    if (fields == null || fields.length == 0) {
        String field = getParam(SpatialParams.FIELD);
        if (field == null)
            throw new SolrException(SolrException.ErrorCode.BAD_REQUEST, " missing sfield for spatial request");
        fields = new String[] { field };
    }
    String pointStr = getParam(SpatialParams.POINT);
    if (pointStr == null) {
        throw new SolrException(SolrException.ErrorCode.BAD_REQUEST, SpatialParams.POINT + " missing.");
    }
    double dist = -1;
    String distS = getParam(SpatialParams.DISTANCE);
    if (distS != null)
        dist = Double.parseDouble(distS);
    if (dist < 0) {
        throw new SolrException(SolrException.ErrorCode.BAD_REQUEST, SpatialParams.DISTANCE + " must be >= 0");
    }
    String measStr = localParams.get(SpatialParams.MEASURE);
    //TODO: Need to do something with Measures
    Query result = null;
    //fields is valid at this point
    if (fields.length == 1) {
        SchemaField sf = req.getSchema().getField(fields[0]);
        FieldType type = sf.getType();
        if (type instanceof SpatialQueryable) {
            SpatialQueryable queryable = ((SpatialQueryable) type);
            double radius = localParams.getDouble(SpatialParams.SPHERE_RADIUS, queryable.getSphereRadius());
            SpatialOptions opts = new SpatialOptions(pointStr, dist, sf, measStr, radius);
            opts.bbox = bbox;
            result = queryable.createSpatialQuery(this, opts);
        } else {
            throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, "The field " + fields[0] + " does not support spatial filtering");
        }
    } else {
    // fields.length > 1
    //TODO: Not sure about this just yet, is there a way to delegate, or do we just have a helper class?
    //Seems like we could just use FunctionQuery, but then what about scoring
    /*List<ValueSource> sources = new ArrayList<ValueSource>(fields.length);
      for (String field : fields) {
        SchemaField sf = schema.getField(field);
        sources.add(sf.getType().getValueSource(sf, this));
      }
      MultiValueSource vs = new VectorValueSource(sources);
      ValueSourceRangeFilter rf = new ValueSourceRangeFilter(vs, "0", String.valueOf(dist), true, true);
      result = new SolrConstantScoreQuery(rf);*/
    }
    return result;
}