summaryrefslogtreecommitdiff
path: root/TAO/orbsvcs/orbsvcs/Trader/Constraint_Visitor.h
diff options
context:
space:
mode:
Diffstat (limited to 'TAO/orbsvcs/orbsvcs/Trader/Constraint_Visitor.h')
-rw-r--r--TAO/orbsvcs/orbsvcs/Trader/Constraint_Visitor.h79
1 files changed, 0 insertions, 79 deletions
diff --git a/TAO/orbsvcs/orbsvcs/Trader/Constraint_Visitor.h b/TAO/orbsvcs/orbsvcs/Trader/Constraint_Visitor.h
deleted file mode 100644
index 255b483b490..00000000000
--- a/TAO/orbsvcs/orbsvcs/Trader/Constraint_Visitor.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/* -*- C++ -*- */
-
-// ========================================================================
-// $Id$
-//
-// = LIBRARY
-// orbsvcs
-//
-// = FILENAME
-// Constraint_Visitor.h
-//
-// = AUTHOR
-// Seth Widoff <sbw1@cs.wustl.edu>
-//
-// ========================================================================
-
-#ifndef TAO_CONSTRAINT_VISITOR_H
-#define TAO_CONSTRAINT_VISITOR_H
-
-class TAO_Binary_Constraint;
-class TAO_Unary_Constraint;
-class TAO_Property_Constraint;
-class TAO_Literal_Constraint;
-class TAO_Noop_Constraint;
-
-class TAO_Constraint_Visitor
-//
-// = TITLE
-// This is the base class for all visitors who wish to preform
-// some operation from the state of the expression tree. Using
-// double dispatching, subclasses of Constraint expression call
-// back to the InterpreterVisitor subclass from the accept method.
-//
-// = DESCRIPTION
-// Traversal of the expression tree uses the "Visitor" pattern. To
-// "visit" a node, a client invokes the "accept" method on a
-// subclass of ConstraintExpression, which, in turn, invokes the
-// appropriate method on the visitor passed to it, based on its
-// own type. So, the Constraint_Visitor has a method to deal with
-// each possible type of node in an expression tree; one for each
-// operator in the grammar.
-{
-public:
-
- virtual int visit_constraint(TAO_Unary_Constraint* constraint) = 0;
-
- virtual int visit_with(TAO_Unary_Constraint* unary_with) = 0;
- virtual int visit_min(TAO_Unary_Constraint* unary_min) = 0;
- virtual int visit_max(TAO_Unary_Constraint* unary_max) = 0;
- virtual int visit_first(TAO_Noop_Constraint* noop_first) = 0;
- virtual int visit_random(TAO_Noop_Constraint* noop_random) = 0;
-
- virtual int visit_and(TAO_Binary_Constraint* boolean_and) = 0;
- virtual int visit_or(TAO_Binary_Constraint* boolean_or) = 0;
- virtual int visit_not(TAO_Unary_Constraint* unary_not) = 0;
-
- virtual int visit_exist(TAO_Unary_Constraint* unary_exist) = 0;
- virtual int visit_unary_minus(TAO_Unary_Constraint* unary_minus) = 0;
-
- virtual int visit_add(TAO_Binary_Constraint* boolean_add) = 0;
- virtual int visit_sub(TAO_Binary_Constraint* boolean_sub) = 0;
- virtual int visit_mult(TAO_Binary_Constraint* boolean_mult) = 0;
- virtual int visit_div(TAO_Binary_Constraint* boolean_div) = 0;
-
- virtual int visit_twiddle(TAO_Binary_Constraint* binary_twiddle) = 0;
- virtual int visit_in(TAO_Binary_Constraint* binary_in) = 0;
-
- virtual int visit_less_than(TAO_Binary_Constraint* boolean_lt) = 0;
- virtual int visit_less_than_equal(TAO_Binary_Constraint* boolean_lte) = 0;
- virtual int visit_greater_than(TAO_Binary_Constraint* boolean_gt) = 0;
- virtual int visit_greater_than_equal(TAO_Binary_Constraint* boolean_gte) = 0;
- virtual int visit_equal(TAO_Binary_Constraint* boolean_eq) = 0;
- virtual int visit_not_equal(TAO_Binary_Constraint* boolean_neq) = 0;
-
- virtual int visit_literal(TAO_Literal_Constraint* literal) = 0;
- virtual int visit_property(TAO_Property_Constraint* literal) = 0;
-};
-
-#endif /* CONSTRAINT_VISITOR_H */