//Complex Rule-2: emp1 or (emp2 and (not emp3 ))
public Employee BuildTreeBasedOnRule2(Employee emp1, Employee emp2, Employee emp3)
{
// Not emp3
Employee firstPhase = new NotExpression(emp3);
// emp2 or (not emp3)
Employee secondPhase = new AndExpression(emp2, firstPhase);
// emp1 and (emp2 or (not emp3 ))
Employee finalPhase = new OrExpression(emp1, secondPhase);
return(finalPhase);
}
// Building the tree
//Complex Rule-1: emp1 and (emp2 or (emp3 or emp4))
public Employee BuildTreeBasedOnRule1(Employee emp1, Employee emp2, Employee emp3, Employee emp4)
{
// emp3 or emp4
Employee firstPhase = new OrExpression(emp3, emp4);
// emp2 or (emp3 or emp4)
Employee secondPhase = new OrExpression(emp2, firstPhase);
// emp1 and (emp2 or (emp3 or emp4))
Employee finalPhase = new AndExpression(emp1, secondPhase);
return(finalPhase);
}