private void AddKeys()
{
if (_keyProperties.Count == 0)
{
PropertyInfo key = ClrType.GetPropertyIgnoreCase("id");
if (key != null)
{
var edmProperty = (EdmStructuralProperty)EdmType.Properties().Single(p => p.Name == key.Name);
_keyProperties.Add(new KeyValuePair <PropertyInfo, EdmStructuralProperty>(key, edmProperty));
}
else
{
key = ClrType.GetPropertyIgnoreCase(ClrType.Name + "id");
if (key == null)
{
if (EdmType.Key().Any() || ClrType.IsAbstract)
{
return;
}
throw new InvalidOperationException("Key property not matching");
}
var edmProperty = (EdmStructuralProperty)EdmType.Properties().Single(p => p.Name == key.Name);
_keyProperties.Add(new KeyValuePair <PropertyInfo, EdmStructuralProperty>(key, edmProperty));
}
}
if (_keyProperties.Count == 1)
{
EdmType.AddKeys(_keyProperties[0].Value);
return;
}
var keys = new ValueTuple <EdmStructuralProperty, int> [_keyProperties.Count];
for (int i = 0; i < _keyProperties.Count; i++)
{
int order = _metadataProvider.GetOrder(_keyProperties[i].Key);
if (order == -1)
{
EdmType.AddKeys(_keyProperties.Select(p => p.Value));
return;
}
keys[i] = new ValueTuple <EdmStructuralProperty, int>(_keyProperties[i].Value, order);
}
EdmType.AddKeys(keys.OrderBy(p => p.Item2).Select(p => p.Item1));
}