/// <include file='doc\ConstraintCollection.uex' path='docs/doc[@for="ConstraintCollection.Add"]/*' />
/// <devdoc>
/// <para>
/// Adds the constraint to the collection.</para>
/// </devdoc>
public void Add(Constraint constraint)
{
if (constraint == null)
{
throw ExceptionBuilder.ArgumentNull("constraint");
}
// It is an error if we find an equivalent constraint already in collection
if (FindConstraint(constraint) != null)
{
throw ExceptionBuilder.DuplicateConstraint(FindConstraint(constraint).ConstraintName);
}
if (constraint is UniqueConstraint)
{
if (((UniqueConstraint)constraint).bPrimaryKey)
{
if (Table.primaryKey != null)
{
throw ExceptionBuilder.AddPrimaryKeyConstraint();
}
}
AddUniqueConstraint((UniqueConstraint)constraint);
}
else if (constraint is ForeignKeyConstraint)
{
ForeignKeyConstraint fk = (ForeignKeyConstraint)constraint;
UniqueConstraint key = fk.RelatedTable.Constraints.FindKeyConstraint(fk.RelatedColumns);
if (key == null)
{
if (constraint.ConstraintName.Length == 0)
{
constraint.ConstraintName = AssignName();
}
else
{
RegisterName(constraint.ConstraintName);
}
key = new UniqueConstraint(fk.RelatedColumns);
fk.RelatedTable.Constraints.Add(key);
}
AddForeignKeyConstraint((ForeignKeyConstraint)constraint);
}
BaseAdd(constraint);
ArrayAdd(constraint);
OnCollectionChanged(new CollectionChangeEventArgs(CollectionChangeAction.Add, constraint));
if (constraint is UniqueConstraint)
{
if (((UniqueConstraint)constraint).bPrimaryKey)
{
Table.PrimaryKey = ((UniqueConstraint)constraint).Columns;
}
}
}
internal void Add(Constraint constraint, bool addUniqueWhenAddingForeign)
{
if (constraint == null)
{
throw ExceptionBuilder.ArgumentNull("constraint");
}
if (this.FindConstraint(constraint) != null)
{
throw ExceptionBuilder.DuplicateConstraint(this.FindConstraint(constraint).ConstraintName);
}
if ((1 < this.table.NestedParentRelations.Length) && !this.AutoGenerated(constraint))
{
throw ExceptionBuilder.CantAddConstraintToMultipleNestedTable(this.table.TableName);
}
if (constraint is UniqueConstraint)
{
if (((UniqueConstraint)constraint).bPrimaryKey && (this.Table.primaryKey != null))
{
throw ExceptionBuilder.AddPrimaryKeyConstraint();
}
this.AddUniqueConstraint((UniqueConstraint)constraint);
}
else if (constraint is ForeignKeyConstraint)
{
ForeignKeyConstraint constraint2 = (ForeignKeyConstraint)constraint;
if (addUniqueWhenAddingForeign && (constraint2.RelatedTable.Constraints.FindKeyConstraint(constraint2.RelatedColumnsReference) == null))
{
if (constraint.ConstraintName.Length == 0)
{
constraint.ConstraintName = this.AssignName();
}
else
{
this.RegisterName(constraint.ConstraintName);
}
UniqueConstraint constraint3 = new UniqueConstraint(constraint2.RelatedColumnsReference);
constraint2.RelatedTable.Constraints.Add(constraint3);
}
this.AddForeignKeyConstraint((ForeignKeyConstraint)constraint);
}
this.BaseAdd(constraint);
this.ArrayAdd(constraint);
this.OnCollectionChanged(new CollectionChangeEventArgs(CollectionChangeAction.Add, constraint));
if ((constraint is UniqueConstraint) && ((UniqueConstraint)constraint).bPrimaryKey)
{
this.Table.PrimaryKey = ((UniqueConstraint)constraint).ColumnsReference;
}
}
// To add foreign key constraint without adding any unique constraint for internal use. Main purpose : Binary Remoting
internal void Add(Constraint constraint, bool addUniqueWhenAddingForeign)
{
if (constraint == null)
{
throw ExceptionBuilder.ArgumentNull(nameof(constraint));
}
// It is an error if we find an equivalent constraint already in collection
if (FindConstraint(constraint) != null)
{
throw ExceptionBuilder.DuplicateConstraint(FindConstraint(constraint).ConstraintName);
}
if (1 < _table.NestedParentRelations.Length)
{
if (!AutoGenerated(constraint))
{
throw ExceptionBuilder.CantAddConstraintToMultipleNestedTable(_table.TableName);
}
}
if (constraint is UniqueConstraint)
{
if (((UniqueConstraint)constraint)._bPrimaryKey)
{
if (Table._primaryKey != null)
{
throw ExceptionBuilder.AddPrimaryKeyConstraint();
}
}
AddUniqueConstraint((UniqueConstraint)constraint);
}
else if (constraint is ForeignKeyConstraint)
{
ForeignKeyConstraint fk = (ForeignKeyConstraint)constraint;
if (addUniqueWhenAddingForeign)
{
UniqueConstraint key = fk.RelatedTable.Constraints.FindKeyConstraint(fk.RelatedColumnsReference);
if (key == null)
{
if (constraint.ConstraintName.Length == 0)
{
constraint.ConstraintName = AssignName();
}
else
{
RegisterName(constraint.ConstraintName);
}
key = new UniqueConstraint(fk.RelatedColumnsReference);
fk.RelatedTable.Constraints.Add(key);
}
}
AddForeignKeyConstraint((ForeignKeyConstraint)constraint);
}
BaseAdd(constraint);
ArrayAdd(constraint);
OnCollectionChanged(new CollectionChangeEventArgs(CollectionChangeAction.Add, constraint));
if (constraint is UniqueConstraint)
{
if (((UniqueConstraint)constraint)._bPrimaryKey)
{
Table.PrimaryKey = ((UniqueConstraint)constraint).ColumnsReference;
}
}
}