ACE/ace/Monitor_Control/Constraint_Interpreter.cpp

   1 #include "ace/Monitor_Control/Constraint_Interpreter.h"
   2
   3 #if defined (ACE_HAS_MONITOR_FRAMEWORK) && (ACE_HAS_MONITOR_FRAMEWORK == 1)
   4
   5 #include "ace/Log_Category.h"
   6
   7 #include "ace/ETCL/ETCL_Constraint.h"
   8
   9 #include "ace/Monitor_Control/Constraint_Visitor.h"
  10
  11 ACE_BEGIN_VERSIONED_NAMESPACE_DECL
  12
  13 namespace ACE
  14 {
  15   namespace Monitor_Control
  16   {
  17     Constraint_Interpreter::Constraint_Interpreter ()
  18     {
  19     }
  20
  21     Constraint_Interpreter::~Constraint_Interpreter ()
  22     {
  23     }
  24
  25     int
  26     Constraint_Interpreter::build_tree (const char *constraints)
  27     {
  28       if (ETCL_Interpreter::is_empty_string (constraints))
  29         {
  30           /// Root is deleted in the interpreter's destructor.
  31           ACE_NEW_RETURN (this->root_,
  32                           ETCL_Literal_Constraint (true),
  33                           -1);
  34         }
  35       else
  36         {
  37           /// root_ is set in this base class call.
  38           if (ETCL_Interpreter::build_tree (constraints) != 0)
  39             {
  40               ACELIB_ERROR_RETURN ((LM_ERROR,
  41                                  "Constraint_Interpreter::build_tree() - "
  42                                  "ETCL_Interpreter::build_tree() failed\n"),
  43                                 -1);
  44             }
  45         }
  46
  47       return 0;
  48     }
  49
  50     ACE_CDR::Boolean
  51     Constraint_Interpreter::evaluate (Constraint_Visitor &evaluator)
  52     {
  53       return evaluator.evaluate_constraint (this->root_);
  54     }
  55   }
  56 }
  57
  58 ACE_END_VERSIONED_NAMESPACE_DECL
  59
  60 #endif /* ACE_HAS_MONITOR_FRAMEWORK==1 */