internal static FacetRebindCollectionResult Rebind(IElasticMapping mapping, Type sourceType, Expression expression)
{
Argument.EnsureNotNull(nameof(mapping), mapping);
Argument.EnsureNotNull(nameof(expression), expression);
var visitor = new FacetExpressionVisitor(mapping, sourceType);
var visitedExpression = visitor.Visit(expression);
var facets = new HashSet <IFacet>(visitor.GetFacets());
var materializer = GetFacetMaterializer(visitor.selectProjection, visitor.groupBy);
return(new FacetRebindCollectionResult(visitedExpression, facets, visitor.bindingParameter, materializer));
}
ElasticTranslateResult Translate(Expression e)
{
var evaluated = PartialEvaluator.Evaluate(e);
var aggregated = FacetExpressionVisitor.Rebind(Mapping, SourceType, evaluated);
if (aggregated.Collected.Count > 0)
{
CompleteFacetTranslation(aggregated);
}
else
{
CompleteHitTranslation(evaluated);
}
searchRequest.Query = QueryCriteriaRewriter.Compensate(searchRequest.Query);
searchRequest.Filter = ConstantCriteriaFilterReducer.Reduce(searchRequest.Filter);
ApplyTypeSelectionCriteria();
return(new ElasticTranslateResult(searchRequest, materializer));
}