void DependentValueChanged(object sender, ValueChangedEventArgs e)
{
if (!DependentColumns.Contains(e.Column))
{
return;
}
foreach (var row in GetAffectedRows(e.Row, (Table)sender))
{
OnRowInvalidated(row);
}
}
/// <summary>
/// Gets an operation to create an index on the foreign key column(s).
/// </summary>
/// <returns> An operation to add the index. </returns>
public virtual CreateIndexOperation CreateCreateIndexOperation()
{
var createIndexOperation
= new CreateIndexOperation
{
Table = DependentTable
};
DependentColumns.Each(c => createIndexOperation.Columns.Add(c));
return(createIndexOperation);
}
/// <summary>
/// Gets an operation to drop the associated index on the foreign key column(s).
/// </summary>
/// <returns> An operation to drop the index. </returns>
public virtual DropIndexOperation CreateDropIndexOperation()
{
var dropIndexOperation
= new DropIndexOperation(_inverse.CreateCreateIndexOperation())
{
Table = DependentTable
};
DependentColumns.Each(c => dropIndexOperation.Columns.Add(c));
return(dropIndexOperation);
}
///<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;
}
}
