// if any of the constraints is violated then this is no op
public virtual bool AddRow(DataRow row)
{
if (checkConstraints(row)) {
updateConstraints(row);
this.rows.Add (row);
return true;
}
return false;
}
public virtual bool validate(DataRow row)
{
return !values.Contains(row[Column]);
}
public virtual bool addRow(DataRow row)
{
return values.Add (row[Column]);
}
private void updateConstraints(DataRow row)
{
this.constraints.ForEach((x)=>x.addRow(row));
}
private bool checkConstraints(DataRow row)
{
return this.constraints.TrueForAll((x)=>x.validate(row));
}
public virtual DataRow CreateRow()
{
DataRow row = new DataRow() {Table = this};
return row;
}
public bool validate(DataRow row)
{
return !rows.Contains(row);
}
public bool addRow(DataRow row)
{
return rows.Add (row);
}