/// <exception cref="ArgumentNullException">
/// <paramref name="first"/> or <paramref name="second"/> is null.
/// </exception>
public AssociationRelationship AddAssociation(TypeBase first, TypeBase second)
{
AssociationRelationship association = new AssociationRelationship(first, second);
AddAssociation(association);
return(association);
}
public AssociationRelationship Clone(TypeBase first, TypeBase second)
{
AssociationRelationship association = new AssociationRelationship(first, second);
association.CopyFrom(this);
return(association);
}
/// <exception cref="ArgumentNullException">
/// <paramref name="first"/> or <paramref name="second"/> is null.
/// </exception>
public AssociationRelationship AddAggregation(TypeBase first, TypeBase second)
{
AssociationRelationship aggregation = new AssociationRelationship(
first, second, AssociationType.Aggregation);
AddAssociation(aggregation);
return(aggregation);
}
/// <exception cref="ArgumentNullException">
/// <paramref name="first"/> or <paramref name="second"/> is null.
/// </exception>
public AssociationRelationship AddComposition(TypeBase first, TypeBase second)
{
AssociationRelationship composition = new AssociationRelationship(
first, second, AssociationType.Composition);
AddAssociation(composition);
return(composition);
}
protected override void CopyFrom(Relationship relationship)
{
base.CopyFrom(relationship);
AssociationRelationship association = (AssociationRelationship)relationship;
associationType = association.associationType;
direction = association.direction;
startRole = association.startRole;
endRole = association.endRole;
startMultiplicity = association.startMultiplicity;
endMultiplicity = association.endMultiplicity;
}
public bool InsertAssociation(AssociationRelationship associaton)
{
if (associaton != null && !relationships.Contains(associaton) &&
entities.Contains(associaton.First) && entities.Contains(associaton.Second))
{
AddAssociation(associaton);
return(true);
}
else
{
return(false);
}
}
protected virtual void AddAssociation(AssociationRelationship association)
{
AddRelationship(association);
}