public override void VisitResultOperator(ResultOperatorBase resultOperator, QueryModel queryModel, int index)
{
// Remotion.Linq.Clauses.ResultOperators.AggregateFromSeedResultOperator
// Remotion.Linq.Clauses.ResultOperators.AggregateResultOperator
// Remotion.Linq.Clauses.ResultOperators.AllResultOperator
// Remotion.Linq.Clauses.ResultOperators.AnyResultOperator
// Remotion.Linq.Clauses.ResultOperators.AverageResultOperator
// Remotion.Linq.Clauses.ResultOperators.CastResultOperator
// Remotion.Linq.Clauses.ResultOperators.ChoiceResultOperatorBase
// Remotion.Linq.Clauses.ResultOperators.ContainsResultOperator
// Remotion.Linq.Clauses.ResultOperators.CountResultOperator
// Remotion.Linq.Clauses.ResultOperators.DefaultIfEmptyResultOperator
// Remotion.Linq.Clauses.ResultOperators.DistinctResultOperator
// Remotion.Linq.Clauses.ResultOperators.ExceptResultOperator
// Remotion.Linq.Clauses.ResultOperators.FirstResultOperator
// Remotion.Linq.Clauses.ResultOperators.GroupResultOperator
// Remotion.Linq.Clauses.ResultOperators.IntersectResultOperator
// Remotion.Linq.Clauses.ResultOperators.LastResultOperator
// Remotion.Linq.Clauses.ResultOperators.LongCountResultOperator
// Remotion.Linq.Clauses.ResultOperators.MaxResultOperator
// Remotion.Linq.Clauses.ResultOperators.MinResultOperator
// Remotion.Linq.Clauses.ResultOperators.OfTypeResultOperator
// Remotion.Linq.Clauses.ResultOperators.ReverseResultOperator
// Remotion.Linq.Clauses.ResultOperators.SequenceFromSequenceResultOperatorBase
// Remotion.Linq.Clauses.ResultOperators.SequenceTypePreservingResultOperatorBase
// Remotion.Linq.Clauses.ResultOperators.SingleResultOperator
// Remotion.Linq.Clauses.ResultOperators.SkipResultOperator
// Remotion.Linq.Clauses.ResultOperators.SumResultOperator
// Remotion.Linq.Clauses.ResultOperators.TakeResultOperator
// Remotion.Linq.Clauses.ResultOperators.UnionResultOperator
// Remotion.Linq.Clauses.ResultOperators.ValueFromSequenceResultOperatorBase
if (resultOperator is CountResultOperator)
{
_query.CountPredicate = ODataQueryPart.Count();
}
else if (resultOperator is LongCountResultOperator)
{
_query.CountPredicate = ODataQueryPart.Count();
}
else if (resultOperator is SkipResultOperator)
{
var skipOperator = (SkipResultOperator)resultOperator;
var skipCount = skipOperator.GetConstantCount();
_query.SkipPredicate = ODataQueryPart.Skip(skipCount);
}
else if (resultOperator is TakeResultOperator)
{
var takeOperator = (TakeResultOperator)resultOperator;
var takeCount = takeOperator.GetConstantCount();
_query.TopPredicate = ODataQueryPart.Top(takeCount);
}
base.VisitResultOperator(resultOperator, queryModel, index);
}
protected override SkipQueryPart Parse(string parameterValue)
{
int count;
if (Int32.TryParse(parameterValue, out count) == false)
{
throw new ArgumentException(String.Format("Cannot skip '{0}' number of items. '{0}' is not an integar.", parameterValue));
}
return(ODataQueryPart.Skip(count));
}
public void Translate_SkipThree_ReturnsLastThreeResult()
{
var query = new ODataQuery
{
SkipPredicate = ODataQueryPart.Skip(3)
};
var expression = _translator.Translate <TestModel>(query);
var fn = (Func <IQueryable <TestModel>, IQueryable <TestModel> >)expression.Compile();
var result = fn(_source).ToList();
Assert.That(result.Count, Is.EqualTo(3));
Assert.That(result[0].TestInt, Is.EqualTo(6));
Assert.That(result[1].TestInt, Is.EqualTo(7));
Assert.That(result[2].TestInt, Is.EqualTo(8));
}
