private QueryModelReference ComputeParameterModelReference(ParameterExpression parameter)
{
QueryModelReference modelReference = null;
foreach (var node in this.GetExpressionTrail())
{
var methodCall = node as MethodCallExpression;
if (methodCall == null)
{
continue;
}
modelReference = this.GetModelReferenceForNode(node);
if (modelReference == null)
{
continue;
}
var method = methodCall.Method;
var sourceType = method.GetParameters()[0].ParameterType.FindGenericType(typeof(IEnumerable <>));
var resultType = method.ReturnType.FindGenericType(typeof(IEnumerable <>));
if (sourceType != resultType)
{
// In case sourceType IEnumerable<Person> and resultType is
// IEnumerable <SelectExpandBinder.SelectAllAndExpand<Person>>
// or IEnumerable<SelectExpandBinder.SelectAll<Person>>
// or IEnumerable<SelectExpandBinder.SelectSome<Person>>
// or IEnumerable<SelectExpandBinder.SelectSomeAndInheritance<Person>>
if (sourceType == null || resultType == null)
{
continue;
}
var resultGenericType = resultType.GenericTypeArguments[0];
if (!resultGenericType.IsGenericType ||
resultGenericType.GenericTypeArguments[0] != sourceType.GenericTypeArguments[0])
{
continue;
}
}
var typeOfT = sourceType.GenericTypeArguments[0];
if (parameter.Type == typeOfT)
{
var collectionType = modelReference.Type as IEdmCollectionType;
if (collectionType != null)
{
modelReference = new ParameterModelReference(
modelReference.EntitySet,
collectionType.ElementType.Definition);
return(modelReference);
}
}
}
return(modelReference);
}
private QueryModelReference ComputeParameterModelReference(ParameterExpression parameter)
{
QueryModelReference modelReference = null;
foreach (var node in this.GetExpressionTrail())
{
var methodCall = node as MethodCallExpression;
if (methodCall == null)
{
continue;
}
modelReference = this.GetModelReferenceForNode(node);
if (modelReference == null)
{
continue;
}
var method = methodCall.Method;
var sourceType = method.GetParameters()[0].ParameterType.FindGenericType(typeof(IEnumerable<>));
var resultType = method.ReturnType.FindGenericType(typeof(IEnumerable<>));
if (sourceType != resultType)
{
// In case sourceType IEnumerable<Person> and resultType is
// IEnumerable <SelectExpandBinder.SelectAllAndExpand<Person>>
// or IEnumerable<SelectExpandBinder.SelectAll<Person>>
// or IEnumerable<SelectExpandBinder.SelectSome<Person>>
// or IEnumerable<SelectExpandBinder.SelectSomeAndInheritance<Person>>
if (sourceType == null || resultType == null)
{
continue;
}
var resultGenericType = resultType.GenericTypeArguments[0];
if (!resultGenericType.IsGenericType ||
resultGenericType.GenericTypeArguments[0] != sourceType.GenericTypeArguments[0])
{
continue;
}
}
var typeOfT = sourceType.GenericTypeArguments[0];
if (parameter.Type == typeOfT)
{
var collectionType = modelReference.Type as IEdmCollectionType;
if (collectionType != null)
{
modelReference = new ParameterModelReference(
modelReference.EntitySet,
collectionType.ElementType.Definition);
return modelReference;
}
}
}
return modelReference;
}