///<summary>Unregisters event handlers registered in Register.</summary>
public override void Unregister(Table table)
{
var rc = GetRowCollection(table);
rc.RowAdded -= DependentRowAdded;
rc.RowRemoved -= DependentRowRemoved;
if (DependentColumns.Any())
{
rc.ValueChanged -= DependentValueChanged;
}
foreach (var child in NestedDependencies)
{
child.Unregister(table);
}
}
private void SetMultiplicities()
{
_assocationType.SourceEnd.RelationshipMultiplicity = RelationshipMultiplicity.ZeroOrOne;
_assocationType.TargetEnd.RelationshipMultiplicity = RelationshipMultiplicity.Many;
var dependentTable = _assocationType.TargetEnd.GetEntityType();
if (dependentTable.DeclaredKeyProperties.Count() == DependentColumns.Count() &&
dependentTable.DeclaredKeyProperties.All(DependentColumns.Contains))
{
_assocationType.SourceEnd.RelationshipMultiplicity = RelationshipMultiplicity.One;
_assocationType.TargetEnd.RelationshipMultiplicity = RelationshipMultiplicity.ZeroOrOne;
}
else if (!DependentColumns.Any(p => p.Nullable))
{
_assocationType.SourceEnd.RelationshipMultiplicity = RelationshipMultiplicity.One;
}
}