/// <summary>
/// method compiles AndLiteralConstraint into alpha nodes
/// </summary>
/// <param name="cnstr">The CNSTR.</param>
/// <param name="templ">The templ.</param>
/// <param name="rule">The rule.</param>
/// <returns></returns>
public virtual BaseAlpha2 compileConstraint(AndLiteralConstraint cnstr, ITemplate templ, Rule.IRule rule)
{
BaseAlpha2 current = null;
if (templ.getSlot(cnstr.Name) != null)
{
Slot2 sl = new Slot2(cnstr.Name);
sl.Id = templ.getColumnIndex(cnstr.Name);
Object sval = cnstr.Value;
sl.Value = sval;
if (rule.RememberMatch)
{
current = new AlphaNodeAnd(engine.nextNodeId());
}
else
{
current = new NoMemAnd(engine.nextNodeId());
}
current.Slot = sl;
current.incrementUseCount();
// we increment the node use count when when create a new
// AlphaNode for the LiteralConstraint
templ.getSlot(sl.Id).incrementNodeCount();
}
return(current);
}
/// <summary>
/// method compiles AndLiteralConstraint into alpha nodes
/// </summary>
/// <param name="cnstr">The CNSTR.</param>
/// <param name="templ">The templ.</param>
/// <param name="rule">The rule.</param>
/// <returns></returns>
public virtual BaseAlpha2 compileConstraint(AndLiteralConstraint cnstr, ITemplate templ, Rule.IRule rule)
{
BaseAlpha2 current = null;
if (templ.getSlot(cnstr.Name) != null)
{
Slot2 sl = new Slot2(cnstr.Name);
sl.Id = templ.getColumnIndex(cnstr.Name);
Object sval = cnstr.Value;
sl.Value = sval;
if (rule.RememberMatch)
{
current = new AlphaNodeAnd(engine.nextNodeId());
}
else
{
current = new NoMemAnd(engine.nextNodeId());
}
current.Slot = sl;
current.incrementUseCount();
// we increment the node use count when when create a new
// AlphaNode for the LiteralConstraint
templ.getSlot(sl.Id).incrementNodeCount();
}
return current;
}