internal MemberExpression?GetJoinPropertyExpression(Expression source, Expression parameter, IReadOnlyList <IEdmNavigationProperty> joinPath, IEdmProperty edmProperty)
{
Expression?propertyExpression = GetJoinPropertyExpression(parameter, joinPath);
if (propertyExpression == null)
{
return(null);
}
PropertyInfo?propertyInfo = propertyExpression.Type.GetPropertyIgnoreCaseOrNull(edmProperty);
if (propertyInfo != null)
{
return(Expression.Property(propertyExpression, propertyInfo));
}
if (OeExpressionHelper.IsPrimitiveType(propertyExpression.Type))
{
return((MemberExpression)propertyExpression);
}
var propertyTranslator = new OePropertyTranslator(source);
return(propertyTranslator.Build(propertyExpression, edmProperty));
}
private static MemberExpression FindInGroupByKey(Expression source, Expression key, MemberExpression propertyExpression)
{
if (propertyExpression.Expression is MemberExpression)
{
var propertyTranslator = new OePropertyTranslator(source);
return(propertyTranslator.Build(key, (PropertyInfo)propertyExpression.Member));
}
return(null);
}
private static OePropertyAccessor[] GetAccessors(Type clrEntityType, IEdmEntitySetBase entitySet, IReadOnlyList <OeSelectItem> selectItems, Expression source)
{
if (selectItems.Count == 0)
{
return(OePropertyAccessor.CreateFromType(clrEntityType, entitySet));
}
var accessorList = new List <OePropertyAccessor>(selectItems.Count);
ParameterExpression accessorParameter = Expression.Parameter(typeof(Object));
UnaryExpression typedAccessorParameter = Expression.Convert(accessorParameter, clrEntityType);
for (int i = 0; i < selectItems.Count; i++)
{
IEdmProperty edmProperty = selectItems[i].EdmProperty;
MemberExpression propertyExpression;
if (edmProperty is ComputeProperty computeProperty)
{
propertyExpression = OeExpressionHelper.GetPropertyExpressions(typedAccessorParameter)[i];
}
else
{
PropertyInfo clrProperty = clrEntityType.GetPropertyIgnoreCase(edmProperty);
if (clrProperty == null)
{
propertyExpression = new OePropertyTranslator(source).Build(typedAccessorParameter, edmProperty);
if (propertyExpression == null)
{
throw new InvalidOperationException("Property " + edmProperty.Name + " not found");
}
}
else
{
propertyExpression = Expression.Property(typedAccessorParameter, clrProperty);
}
}
accessorList.Add(OePropertyAccessor.CreatePropertyAccessor(edmProperty, propertyExpression, accessorParameter, selectItems[i].SkipToken));
}
return(accessorList.ToArray());
}
