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 GetQueryResult <TProjection>(IDocumentQuery <TProjection> finalQuery)
{
switch (queryType)
{
case SpecialQueryType.First:
{
return(finalQuery.First());
}
case SpecialQueryType.FirstOrDefault:
{
return(finalQuery.FirstOrDefault());
}
case SpecialQueryType.Single:
{
return(finalQuery.Single());
}
case SpecialQueryType.SingleOrDefault:
{
return(finalQuery.SingleOrDefault());
}
case SpecialQueryType.All:
{
var pred = predicate.Compile();
return(finalQuery.AsQueryable().All(projection => pred((T)(object)projection)));
}
case SpecialQueryType.Any:
{
return(finalQuery.Any());
}
#if !SILVERLIGHT
case SpecialQueryType.Count:
{
var queryResultAsync = finalQuery.QueryResult;
return(queryResultAsync.TotalResults);
}
#else
case SpecialQueryType.Count:
{
throw new NotImplementedException("not done yet");
}
#endif
default:
{
return(finalQuery);
}
}
}