/// <summary>
/// this will add the definition to the schema's attribute definition collection and attach it to the 'general group' if it doesn't exist
/// otherwise will return false.
/// </summary>
/// <param name="schema"></param>
/// <param name="def"></param>
/// <returns>Returns true if the property was added otherwise returns false</returns>
public static bool TryAddAttributeDefinition(this EntitySchema schema, AttributeDefinition def)
{
if (def.AttributeGroup == null)
{
//check if we have a general group
var generalGroup = schema.AttributeGroups.SingleOrDefault(x => x.Alias == FixedGroupDefinitions.GeneralGroupAlias);
//if a general group already exists, use it. If it doesn't exist it will automatically get created
if (generalGroup != null)
{
def.AttributeGroup = generalGroup;
}
}
return(schema.AttributeDefinitions.TryAdd(def));
//if (schema.AttributeDefinitions.TryAdd(def))
//{
// //check if we have a general group
// var generalGroup =
// schema.AttributeGroups.Where(x => x.Alias == FixedGroupDefinitions.GeneralGroupAlias)
// .SingleOrDefault();
// //if a general group already exists, use it. If it doesn't exist it will automatically get created
// if (generalGroup != null)
// def.AttributeGroup = generalGroup;
// //schema.AttributeDefinitions.Add(def);
//}
//return false;
}
/// <summary>
/// Creates an <see cref="AttributeDefinition"/> with a given <see cref="AttributeType"/> and references it to a given <see cref="AttributeGroup"/>.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="alias">The alias.</param>
/// <param name="name">The name.</param>
/// <param name="attributeDefinition">The attribute type definition.</param>
/// <param name="serializationDefinition">The serialization definition.</param>
/// <param name="attributeGroup">The attribute group definition.</param>
/// <returns></returns>
public static T CreateAttributeIn <T>(string alias, string name, AttributeDefinition attributeDefinition, IAttributeSerializationDefinition serializationDefinition,
AttributeGroup attributeGroup)
where T : AttributeDefinition, new()
{
var entity = Create <T>(alias, name);
entity.AttributeType = attributeDefinition.AttributeType;
entity.AttributeType.SerializationType = serializationDefinition;
attributeDefinition.AttributeGroup = attributeGroup;
return(entity);
}