public static void AddForeignKeyColumn(ForeignKey foreignKey, ForeignKeyColumn foreignKeyColumn)
{
if (foreignKeyColumn.ForeignKey != null && foreignKeyColumn.ForeignKey.Equals(foreignKey))
{
RemoveForeignKeyColumn(foreignKeyColumn.ForeignKey, foreignKeyColumn);
}
if (foreignKey.ForeignKeyColumns.Count > 0)
{
var firstForeignKeyColumn = foreignKey.ForeignKeyColumns.First();
if (!firstForeignKeyColumn.ReferencedUserTable.Equals(foreignKeyColumn.ReferencedUserTable))
{
throw new Exception(string.Format("{0} {1} does not reference the same {2} as {3} {4}.",
foreignKeyColumn.Description, foreignKeyColumn.Namespace, foreignKeyColumn.ReferencedUserTable.Description,
firstForeignKeyColumn.Description, firstForeignKeyColumn.Namespace));
}
}
foreignKey.ForeignKeyColumns.Add(foreignKeyColumn);
}
public static void RemoveForeignKeyColumn(ForeignKey foreignKey, ForeignKeyColumn foreignKeyColumn)
{
foreignKey.ForeignKeyColumns.Remove(foreignKeyColumn.Namespace);
}