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BUG#: 9676
TITLE: TASK-PEP317_pullop-branch. Correct error noted in  bug9676,
Clean up OpenQueryInstances, error in cimcli handling of FQL
language parameter results in reject of request.

DESCRIPTION: Finished code for OpenQueryInstances to create common path
for ExecQuery and OpenQueryInstances. ExecQuery tested. fixed issue
in cimcli.  Corrected erroneous inclusion of execinfo.h header include,
removed more diagnostic messages, modified CreateContext function
interface.

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#ifndef WQLPegasusDispatcher_Dispatcher_h
#define WQLPegasusDispatcher_Dispatcher_h

#include <Pegasus/Server/CIMOperationRequestDispatcher.h>

#include <Pegasus/WQL/WQLParser.h>
#include <Pegasus/WQL/WQLSelectStatement.h>
#include <Pegasus/WQL/WQLInstancePropertySource.h>
#include <Pegasus/WQL/WQLQueryExpressionRep.h>

PEGASUS_NAMESPACE_BEGIN

class WQLOperationRequestDispatcher : public CIMOperationRequestDispatcher
{
private:
    WQLOperationRequestDispatcher(
        CIMRepository* repository,
        ProviderRegistrationManager* providerRegistrationManager)
        : CIMOperationRequestDispatcher(
              repository,providerRegistrationManager)
    {
    }
public:

    virtual ~WQLOperationRequestDispatcher() {}

    /** Procces the query request. If there is an error returns the
       cimException and return = true
       @param request Query message being processed
       @param cimException CIMException that will contain the
       CIMException to be returned if there was an error in processing.
       Only set when the return is true
       parm enumerationContext EnumerationContext object if this is
       a pull request. Otherwise it is NULL
       @return true if no errors. False if there were errors in processing
       and the cimException parameter must contain the error.
    */
    bool handleQueryRequest(
        CIMExecQueryRequestMessage* request,
        CIMException& cimException,
        EnumerationContext* enumerationContext = NULL);

    static void applyQueryToEnumeration(
        CIMResponseMessage* msg,
        QueryExpressionRep* query);
};

PEGASUS_NAMESPACE_END

#endif