public object Execute(Expression expression)
{
chainedWhere = false;
ProcessExpression(expression);
luceneQuery = luceneQuery.SelectFields <T>(FieldsToFetch.ToArray());
if (customizeQuery != null)
{
customizeQuery(luceneQuery);
}
switch (queryType)
{
case SpecialQueryType.First:
{
return(luceneQuery.First());
}
case SpecialQueryType.FirstOrDefault:
{
return(luceneQuery.FirstOrDefault());
}
case SpecialQueryType.Single:
{
return(luceneQuery.Single());
}
case SpecialQueryType.SingleOrDefault:
{
return(luceneQuery.SingleOrDefault());
}
case SpecialQueryType.All:
{
return(luceneQuery.AsQueryable().All(this.predicate));
}
case SpecialQueryType.Any:
{
return(luceneQuery.Any());
}
case SpecialQueryType.Count:
{
return(luceneQuery.QueryResult.TotalResults);
}
default:
{
return(luceneQuery);
}
}
}
private object ExecuteQuery <TProjection>()
{
var finalQuery = luceneQuery.SelectFields <TProjection>(FieldsToFetch.ToArray());
var executeQuery = GetQueryResult(finalQuery);
var queryResult = finalQuery.QueryResult;
if (afterQueryExecuted != null)
{
afterQueryExecuted(queryResult);
}
return(executeQuery);
}
public static IDocumentQuery <TS> Projection <T, TS>(this IDocumentQuery <T> query)
{
return(query.SelectFields <TS>(typeof(TS).GetProperties().Select(x => x.Name).ToArray()));
}