public void AddIncomingRelation(IClassRelation relation)
{
if (_incomingRelations.Any(x => x.Name == relation.Name))
{
throw new DesignModelException(this, $"Design model already contains relation '{relation.Name}'");
}
_incomingRelations.Add(relation);
}
/// <summary>
/// Returns an attribute with the given name. Throws an exception if not found.
/// </summary>
/// <param name="relation"></param>
/// <param name="name"></param>
/// <returns></returns>
public static IClassAttribute GetAttribute(this IClassRelation relation, string name)
{
var attribute = relation.Attributes.FirstOrDefault(x => x.Name == name);
if (attribute == null)
{
throw new ParseException(((IDesignModel)relation).ParseLocation, $"Attribute '{name}' not found in relation '{relation.Name}'");
}
return(attribute);
}
public virtual IClassRelation CloneRelation(IClassRelation sourceRelation, IClassModel destinationClassModel, IParseLocationInfo parseLocation)
{
var relation = new ClassRelation(sourceRelation.Name, parseLocation: parseLocation);
relation.CopyPropertiesFrom(sourceRelation, parseLocation);
relation.Destination = destinationClassModel;
AddOutgoingRelation(relation);
destinationClassModel.AddIncomingRelation(relation);
return(relation);
}
public static void Resolve(this ClassAttributeReference reference, IClassRelation relation)
{
if (reference.Target != null)
{
return;
}
var attribute = relation.Attributes.FirstOrDefault(x => x.Name == reference.Name);
if (attribute == null)
{
throw new ParseException(reference.ParseLocation, $"Attribute '{reference.Name}' not found from relation '{relation.Name}'.");
}
reference.Target = attribute;
}
public static ClassAttributeReference CreateRelationAttributeReference(this IClassRelation classRelation, string attributeName, IParseLocationInfo parseLocation)
{
return(new ClassAttributeReference(attributeName, parseLocation));
}
