//%LICENSE////////////////////////////////////////////////////////////////
//
// Licensed to The Open Group (TOG) under one or more contributor license
// agreements.  Refer to the OpenPegasusNOTICE.txt file distributed with
// this work for additional information regarding copyright ownership.
// Each contributor licenses this file to you under the OpenPegasus Open
// Source License; you may not use this file except in compliance with the
// License.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//////////////////////////////////////////////////////////////////////////
//
//%/////////////////////////////////////////////////////////////////////////////

#include "WQLQueryExpressionRep.h"
#include "WQLParser.h"
#include "WQLInstancePropertySource.h"

PEGASUS_NAMESPACE_BEGIN


const CIMPropertyList WQLQueryExpressionRep::getPropertyList() const
{
   if (_stmt==NULL) ((WQLQueryExpressionRep*)this)->_parse();

   return _stmt->getSelectPropertyList();
}

WQLQueryExpressionRep::~WQLQueryExpressionRep()
{
   if (_stmt) delete _stmt;
}

void WQLQueryExpressionRep::_parse()
{
   if (_queryLanguage=="WQL")
   {
      _stmt=new WQLSelectStatement();
      WQLParser::parse(_query, *_stmt);
   }
   else throw
     PEGASUS_CIM_EXCEPTION(CIM_ERR_QUERY_LANGUAGE_NOT_SUPPORTED,
             _queryLanguage);
}

Boolean WQLQueryExpressionRep::evaluate(const CIMInstance & inst) const
{
    if (_stmt==NULL) ((WQLQueryExpressionRep*)this)->_parse();

    WQLInstancePropertySource ips(inst);
    try
    {
       if (_stmt->evaluateWhereClause(&ips)) return true;
    }
    catch (...)
    {
         return false;
    }
    return false;
}

void WQLQueryExpressionRep::applyProjection(CIMInstance & ci,
    Boolean allowMissing)
{
   if (_stmt==NULL) ((WQLQueryExpressionRep*)this)->_parse();

   _stmt->applyProjection(ci, allowMissing);
}

PEGASUS_NAMESPACE_END