TAO/orbsvcs/orbsvcs/Notify/Notify_Constraint_Interpreter.cpp


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49

// $Id$

#include "orbsvcs/Notify/Notify_Constraint_Interpreter.h"
#include "orbsvcs/Notify/Notify_Constraint_Visitors.h"

ACE_RCSID(Notify, NS_Constraint_Interpreter, "$Id$")


TAO_BEGIN_VERSIONED_NAMESPACE_DECL

TAO_Notify_Constraint_Interpreter::TAO_Notify_Constraint_Interpreter (void)
{
}

TAO_Notify_Constraint_Interpreter::~TAO_Notify_Constraint_Interpreter (void)
{
}

void
TAO_Notify_Constraint_Interpreter::build_tree (
    const char *constraints
    ACE_ENV_ARG_DECL
  )
  ACE_THROW_SPEC ((CosNotifyFilter::InvalidConstraint,
                   CORBA::NO_MEMORY))
{
  if (TAO_ETCL_Interpreter::is_empty_string (constraints))
    {
      // Root is deleted in the TAO_Interpreter's destructor.
      ACE_NEW_THROW_EX (this->root_,
                        TAO_ETCL_Literal_Constraint ((CORBA::Boolean) 1),
                        CORBA::NO_MEMORY ());
      ACE_CHECK;
    }
  else
    {
      // root_ is set in this base class call.
      if (TAO_ETCL_Interpreter::build_tree (constraints) != 0)
          ACE_THROW (CosNotifyFilter::InvalidConstraint ());
    }
}

CORBA::Boolean
TAO_Notify_Constraint_Interpreter::evaluate (TAO_Notify_Constraint_Visitor &evaluator)
{
  return evaluator.evaluate_constraint (this->root_);
}

TAO_END_VERSIONED_NAMESPACE_DECL