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// Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
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// Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
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// Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
// Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
// EMC Corporation; VERITAS Software Corporation; The Open Group.
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#ifndef Pegasus_CIMOMHandle_h
#define Pegasus_CIMOMHandle_h

#include <Pegasus/Common/Config.h>
#include <Pegasus/Common/OperationContext.h>
#include <Pegasus/Common/CIMObject.h>
#include <Pegasus/Common/CIMObjectPath.h>
#include <Pegasus/Common/CIMClass.h>
#include <Pegasus/Common/CIMInstance.h>
#include <Pegasus/Common/CIMPropertyList.h>
#include <Pegasus/Common/ResponseHandler.h>
#include <Pegasus/Provider/Linkage.h>

PEGASUS_NAMESPACE_BEGIN

class ProviderManager;
class Provider;
#ifdef PEGASUS_OS_OS400
class CIMProviderOS400UserState;
class CIMProviderOS400SystemState;
#endif

class CIMOMHandleRep;

class PEGASUS_PROVIDER_LINKAGE CIMOMHandle
{
   public:

      /** */
      CIMOMHandle(void);

      CIMOMHandle(const CIMOMHandle &);

      /** */
      ~CIMOMHandle(void);

      CIMOMHandle & operator =(const CIMOMHandle & handle);
      
      CIMClass getClass(
	 const OperationContext & context,
	 const CIMNamespaceName& nameSpace,
	 const CIMName& className,
	 Boolean localOnly,
	 Boolean includeQualifiers,
	 Boolean includeClassOrigin,
	 const CIMPropertyList& propertyList);

      Array<CIMClass> enumerateClasses(
	 const OperationContext & context,
	 const CIMNamespaceName& nameSpace,
	 const CIMName& className,
	 Boolean deepInheritance,
	 Boolean localOnly,
	 Boolean includeQualifiers,
	 Boolean includeClassOrigin);

      Array<CIMName> enumerateClassNames(
	 const OperationContext & context,
	 const CIMNamespaceName& nameSpace,
	 const CIMName& className,
	 Boolean deepInheritance);

      void createClass(
	 const OperationContext & context,
	 const CIMNamespaceName& nameSpace,
	 const CIMClass& newClass);

      void modifyClass(
	 const OperationContext & context,
	 const CIMNamespaceName& nameSpace,
	 const CIMClass& modifiedClass);

      void deleteClass(
	 const OperationContext & context,
	 const CIMNamespaceName& nameSpace,
	 const CIMName& className);

      CIMInstance getInstance(
	 const OperationContext & context,
	 const CIMNamespaceName& nameSpace,
	 const CIMObjectPath& instanceName,
	 Boolean localOnly,
	 Boolean includeQualifiers,
	 Boolean includeClassOrigin,
	 const CIMPropertyList& propertyList);

      Array<CIMInstance> enumerateInstances(
	 const OperationContext & context,
	 const CIMNamespaceName& nameSpace,
	 const CIMName& className,
	 Boolean deepInheritance,
	 Boolean localOnly,
	 Boolean includeQualifiers,
	 Boolean includeClassOrigin,
	 const CIMPropertyList& propertyList);

      Array<CIMObjectPath> enumerateInstanceNames(
	 const OperationContext & context,
	 const CIMNamespaceName& nameSpace,
	 const CIMName& className);

      CIMObjectPath createInstance(
	 const OperationContext & context,
	 const CIMNamespaceName& nameSpace,
	 const CIMInstance& newInstance);

      void modifyInstance(
	 const OperationContext & context,
	 const CIMNamespaceName& nameSpace,
	 const CIMInstance& modifiedInstance,
	 Boolean includeQualifiers,
	 const CIMPropertyList& propertyList);

      void deleteInstance(
	 const OperationContext & context,
	 const CIMNamespaceName& nameSpace,
	 const CIMObjectPath& instanceName);

      Array<CIMObject> execQuery(
	 const OperationContext & context,
	 const CIMNamespaceName& nameSpace,
	 const String& queryLanguage,
	 const String& query);

      Array<CIMObject> associators(
	 const OperationContext & context,
	 const CIMNamespaceName& nameSpace,
	 const CIMObjectPath& objectName,
	 const CIMName& assocClass,
	 const CIMName& resultClass,
	 const String& role,
	 const String& resultRole,
	 Boolean includeQualifiers,
	 Boolean includeClassOrigin,
	 const CIMPropertyList& propertyList);

      Array<CIMObjectPath> associatorNames(
	 const OperationContext & context,
	 const CIMNamespaceName& nameSpace,
	 const CIMObjectPath& objectName,
	 const CIMName& assocClass,
	 const CIMName& resultClass,
	 const String& role,
	 const String& resultRole);

      Array<CIMObject> references(
	 const OperationContext & context,
	 const CIMNamespaceName& nameSpace,
	 const CIMObjectPath& objectName,
	 const CIMName& resultClass,
	 const String& role,
	 Boolean includeQualifiers,
	 Boolean includeClassOrigin,
	 const CIMPropertyList& propertyList);

      Array<CIMObjectPath> referenceNames(
	 const OperationContext & context,
	 const CIMNamespaceName& nameSpace,
	 const CIMObjectPath& objectName,
	 const CIMName& resultClass,
	 const String& role);

      // property operations
      CIMValue getProperty(
	 const OperationContext & context,
	 const CIMNamespaceName& nameSpace,
	 const CIMObjectPath& instanceName,
	 const CIMName& propertyName);

      void setProperty(
	 const OperationContext & context,
	 const CIMNamespaceName& nameSpace,
	 const CIMObjectPath& instanceName,
	 const CIMName& propertyName,
	 const CIMValue& newValue);

      CIMValue invokeMethod(
	 const OperationContext & context,
	 const CIMNamespaceName& nameSpace,
	 const CIMObjectPath& instanceName,
	 const CIMName& methodName,
	 const Array<CIMParamValue>& inParameters,
	 Array<CIMParamValue>& outParameters);

      /**
          Provides a hint to the CIM Server that the provider calling this
          method prefers not to be unloaded.  This hint applies in
          situations where a provider unload is not necessary, such as
          when the CIM Server unloads idle providers for efficiency reasons.
          A provider may rescind this hint by using the allowProviderUnload
          method.  Note that disallowProviderUnload is cumulative, such that
          each call to disallowProviderUnload must be matched with a call to
          allowProviderUnload.
       */
      void disallowProviderUnload();

      /**
          Provides a hint to the CIM Server that the provider calling this
          method no longer prefers not to be unloaded.  This hint applies in
          situations where a provider unload is not necessary, such as
          when the CIM Server unloads idle providers for efficiency reasons.
          This method is used to rescind a hint that was given using the
          disallowProviderUnload method.  Note that each allowProviderUnload
          call should be preceded by a disallowProviderUnload call.
       */
      void allowProviderUnload();

#ifdef PEGASUS_USE_EXPERIMENTAL_INTERFACES
      /**
	 Returns the context of the response to the last request.
	 Currently, the context only contains the ContentLanguageListContainer
	 from the response.
	 Note: this method should be called directly after the call to the
	 CIM request method (getClass, etc), and can only be called once
	 per request.
       */
      OperationContext getResponseContext(void);
#endif

   private:      
      CIMOMHandleRep* _rep;

      friend class Provider;
      friend class CMPIProvider;
#ifdef PEGASUS_OS_OS400
      friend class CIMProviderOS400UserState;
      CIMOMHandle(Uint32 os400UserStateKey);

      friend class CIMProviderOS400SystemState;
      void setOS400ProfileHandle(const char * profileHandle);
#endif
      void get_idle_timer(void *);
      void update_idle_timer(void);
      Boolean pending_operation(void);
      Boolean unload_ok(void);
};

PEGASUS_NAMESPACE_END

#endif
