public void Add(
Table masterTable,
Table slaveTable,
bool isCascadeDelete,
bool isCascadeUpdate)
{
if (masterTable is null)
{
throw new ArgumentNullException(nameof(masterTable));
}
if (slaveTable is null)
{
throw new ArgumentNullException(nameof(slaveTable));
}
if (!_linkValidator.IsUnique(masterTable: masterTable, slaveTable: slaveTable))
{
throw new ArgumentException($"A link between tables {masterTable.Name} and {slaveTable.Name} is already exists.");
}
int foreignKeyId = _attributeService.AddForeignKey(masterTable: masterTable, slaveTable: slaveTable);
ForeignKey foreignKey = _attributeService.GetById(id: foreignKeyId) as ForeignKey;
PrimaryKey primaryKey = GetPrimaryKey(table: masterTable);
Link link = new Link(
masterAttribute: primaryKey,
slaveAttribute: foreignKey,
isDeleteCascade: isCascadeDelete,
isUpdateCascade: isCascadeUpdate)
{
MasterAttributeId = masterTable.Id, SlaveAttributeId = slaveTable.Id
};
_linkRepository.Add(entity: link);
}
