protected override Expression VisitMethodCall(MethodCallExpression methodCall)
{
if (methodCall.Method.MetadataToken == GetMethod.MetadataToken &&
Equals(methodCall.Method.Module, GetMethod.Module))
{
object value;
Throw <ODataCompileException> .If(
!LinqHelpers.TryGetValue(methodCall.Arguments[0], LinqHelpers.GetValueOptions.All, out value),
() => string.Format(
"Unable to extract value for parameter '{0}' of {1}. Ensure that the value for the parameter can be statically determined",
methodCall.Method.GetParameters()[0].Name,
methodCall.Method
)
);
var propertyName = (string)value;
Throw <ODataCompileException> .If(
string.IsNullOrWhiteSpace(propertyName),
() => string.Format(
"'{0}' value for {1} must not be null or whitespace",
methodCall.Method.GetParameters()[0].Name,
methodCall.Method
)
);
var property = EntityPropertyInfo.For(name: propertyName, type: methodCall.Method.GetGenericArguments()[0]);
return(Expression.Property(this.Visit(methodCall.Object), property));
}
return(base.VisitMethodCall(methodCall));
}
internal static PropertyInfo GetProperty(string name, Type type)
{
#if !NETCORE
return(EntityPropertyInfo.For(name, type));
#else
throw ODataEntityQueriesNotSupported();
#endif
}