public SelectResponseParser(
ISolrDocumentResponseParser <TOld> inner,
ISolrDocumentResponseParser <Dictionary <string, object> > dictionaryParser,
MethodCallExpression selectCall,
SelectExpressionsCollection selectState) : base(inner, dictionaryParser)
{
_selectCall = selectCall ?? throw new ArgumentNullException(nameof(selectCall));
_selectState = selectState ?? throw new ArgumentNullException(nameof(selectState));
}
public SelectFieldsVisitor(MemberContext context, SelectExpressionsCollection selectContext)
{
_context = context ?? throw new ArgumentNullException(nameof(context));
_selectContext = selectContext ?? throw new ArgumentNullException(nameof(selectContext));
}
public static IExecuter <TNew> ChangeType <TNew, TOld>(
this IExecuter <TOld> executer,
MethodCallExpression expression,
SelectExpressionsCollection selectExpressionsCollection)
{
if (executer == null)
{
throw new ArgumentNullException(nameof(executer));
}
if (expression == null)
{
throw new ArgumentNullException(nameof(expression));
}
if (selectExpressionsCollection == null)
{
throw new ArgumentNullException(nameof(selectExpressionsCollection));
}
try
{
SolrQueryExecuter <TOld> oldExecuter = executer.Executer;
ISolrConnection connection = oldExecuter.GetFieldRecursive <ISolrConnection>();
ISolrQuerySerializer serializer = oldExecuter.GetFieldRecursive <ISolrQuerySerializer>();
ISolrFacetQuerySerializer facetQuerySerializer = oldExecuter.GetFieldRecursive <ISolrFacetQuerySerializer>();
ISolrDocumentResponseParser <TOld> oldParser =
oldExecuter.GetFieldRecursive <ISolrDocumentResponseParser <TOld> >();
ISolrFieldParser fieldParser = oldParser.GetFieldRecursive <ISolrFieldParser>();
SolrDictionaryDocumentResponseParser dictionaryParser = new SolrDictionaryDocumentResponseParser(fieldParser);
ISolrDocumentResponseParser <TNew> docParser;
if (expression.Method.DeclaringType == typeof(Queryable) && expression.Method.Name == nameof(Queryable.Cast))
{
docParser = new CastResponseParser <TNew, TOld>(oldParser, dictionaryParser);
}
else if (expression.Method.DeclaringType == typeof(Queryable) && expression.Method.Name == nameof(Queryable.Select))
{
docParser = new SelectResponseParser <TNew, TOld>(oldParser,
dictionaryParser, expression,
selectExpressionsCollection);
}
else
{
throw new InvalidOperationException(
$"Unable to change query type from {typeof(TOld).Name} to {typeof(TNew).Name}. Method {expression.Method.Name} not supported");
}
ISolrAbstractResponseParser <TNew> parser = new DefaultResponseParser <TNew>(docParser);
SolrQueryExecuter <TNew> newExecuter = new SolrQueryExecuter <TNew>(parser, connection, serializer,
facetQuerySerializer,
new SolrMoreLikeThisHandlerQueryResultsParser <TNew>(Enumerable.Repeat(parser, 1)));
newExecuter.DefaultHandler = oldExecuter.DefaultHandler;
newExecuter.DefaultRows = oldExecuter.DefaultRows;
newExecuter.MoreLikeThisHandler = oldExecuter.MoreLikeThisHandler;
return(new SelectQueryExecutor <TNew>(newExecuter));
}
catch (Exception e)
{
throw new InvalidOperationException(
$"Unable to change solr query executer from {typeof(TOld)} to {typeof(TNew)}.", e);
}
}
public ReplaceCalculatedVisitor(SelectExpressionsCollection collection, Dictionary <string, object> dictionary)
{
_collection = collection ?? throw new ArgumentNullException(nameof(collection));
_dictionary = dictionary ?? throw new ArgumentNullException(nameof(dictionary));
}
