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/* -*- C++ -*- */
// $Id$
// ========================================================================
//
// = LIBRARY
// orbsvcs
//
// = FILENAME
// Log_Constraint_Interpreter.h
//
// = AUTHOR
// Pradeep Gore <pradeep@cs.wustl.edu>
//
// ========================================================================
#ifndef TAO_LOG_CONSTRAINT_INTERPRETER_H
#define TAO_LOG_CONSTRAINT_INTERPRETER_H
#include "orbsvcs/orbsvcs/Trader/Constraint_Nodes.h"
#include "orbsvcs/orbsvcs/Trader/Constraint_Visitors.h"
#include "orbsvcs/orbsvcs/Trader/Interpreter.h"
#include "orbsvcs/orbsvcs/DsLogAdminC.h"
class TAO_Constraint_Evaluator;
class TAO_Log_Constraint_Interpreter : public TAO_Interpreter
{
//
// = TITLE
// TAO_Log_Constraint_Interpreter
//
// = DESCRIPTION
// "TCL" Interpreter for the Log queries.
public:
// = Initialization and termination methods.
TAO_Log_Constraint_Interpreter (const char* constraints,
CORBA::Environment& ACE_TRY_ENV)
ACE_THROW_SPEC ((DsLogAdmin::InvalidConstraint,
CORBA::NO_MEMORY));
// This constructor builds an expression tree representing the
// constraint specified in <constraints>, and throws an Illegal
// Constraint exception if the constraint given has syntax errors or
// semantic errors, such as mismatched types.
~TAO_Log_Constraint_Interpreter (void);
// Destructor
CORBA::Boolean evaluate (TAO_Constraint_Evaluator& evaluator);
// Returns true if the constraint is evaluated successfully by
// the evaluator.
};
#endif /* TAO_LOG_CONSTRAINT_INTERPRETER_H */
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