ParentForeignKeyConstraintEnumerator.cs

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namespace System.Data;
 
internal sealed class ParentForeignKeyConstraintEnumerator : ForeignKeyConstraintEnumerator
{
    private readonly DataTable _table;
 
    public ParentForeignKeyConstraintEnumerator(DataSet dataSet, DataTable inTable)
        : base(dataSet)
    {
        _table = inTable;
    }
 
    protected override bool IsValidCandidate(Constraint constraint)
    {
        if (constraint is ForeignKeyConstraint)
        {
            return ((ForeignKeyConstraint)constraint).RelatedTable == _table;
        }
        return false;
    }
}