internal ConstraintStruct(CompiledIdentityConstraint constraint)
{
this.constraint = constraint;
this.tableDim = constraint.Fields.Length;
this.constraintTable = new ArrayList(); // empty table
this.currentRow = 0;
this.axisFields = new ArrayList(); // empty fields
this.axisSelector = new ActiveAxis(constraint.Selector);
this.qualifiedTable = new Hashtable();
}
public AxisStack(ForwardAxis faxis, ActiveAxis parent)
{
this.subtree = faxis;
this.stack = new ArrayList();
this.parent = parent;
if (!faxis.IsDss)
{
this.Push(1);
}
}
// instructor
public AxisStack(ForwardAxis faxis, ActiveAxis parent)
{
_subtree = faxis;
_stack = new ArrayList();
_parent = parent; // need to use its contextdepth each time....
// improvement:
// if ! isDss, there has nothing to do with Push/Pop, only one copy each time will be kept
// if isDss, push and pop each time....
if (!faxis.IsDss)
{ // keep an instance
this.Push(1); // context depth + 1
}
// else just keep stack empty
}