base_instancecollection.h

270的linux说明

/*

Copyright (c) 2008, Intel Corporation. 

All rights reserved.

 

Redistribution and use in source and binary forms, with or without modification, 
are permitted provided that the following conditions are met:


    * Redistributions of source code must retain the above copyright notice, 
this list of conditions and the following disclaimer.

    * Redistributions in binary form must reproduce the above copyright notice, 
this list of conditions and the following disclaimer in the documentation and/or 
other materials provided with the distribution.

    * Neither the name of Intel Corporation nor the names of its contributors 
may be used to endorse or promote products derived from this software without 
specific prior written permission.

 

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
OF SUCH DAMAGE.

*/



//==============================================================================
// base_InstanceCollection.h
//
//==============================================================================

#ifndef _BASE_INSTANCECOLLECTION_H
#define _BASE_INSTANCECOLLECTION_H

#include <vector>
#include "inc/framework/base_Object.h"
#include "inc/framework/base_Event.h"
#include "inc/framework/base_Exception.h"
using namespace std;

class ServerClassObject;
class ServerInstanceCollection;
class ServerInstanceObject;

struct MonitorParm
{
    vector<ServerInstanceObject*>*  m_pObjects;
    ServerInstanceCollection*       m_this;
};

// This is a enumeration object
class ServerInstanceCollection : public ServerObject
{
public:
	ServerInstanceCollection( CLog &theLog, const IntelMobileString sType, ServerClassObject *pParentClass = NULL );
	//ServerInstanceCollection( const IntelMobileString sType, ServerClassObject *pParentClass = NULL );
	virtual ~ServerInstanceCollection();

	virtual bool            Current( ServerInstanceObject** pCurrent, int iCurrentIndex, long iChangedIndex );
	virtual bool            Next( ServerInstanceObject** pNext, int* iCurrentIndex, long iChangedIndex );
	virtual bool            HasNext( int iCurrentIndex, long iChangedIndex );
	virtual void            Reset( long* iChangedIndex );                   // not for CurrentIndex, returns the current "Changed" index

    // Must create own because each does specific things with each InstanceObject vector.
	virtual int             Add( ServerInstanceObject* _Instance );         // Virtual because each collection has its own vector
	virtual int             Remove( ServerInstanceObject* _Instance );      // Virtual because each collection has its own vector
	void            Modify( ServerEvent::EventType eType );         // Used to tell collection that something has changed, will navigate up all levels calling Modify() on those appropriately

    // inlines
	inline void             SetParentClass( ServerClassObject *pParentClass ) { __cParentClass = pParentClass; }
	virtual int             GetCount() const { return static_cast<int>(__pObjects.size()); }                            // Gets count of this collection only, no sub collections of associated class

    // Only used from server side
protected:
	virtual ServerInstanceObject*   CurrentImpl( int iCurrentIndex );

	bool            HasChanged( long iChangedIndex ) const;         // internal check to see if structure has been modified from previous call of ServerInstanceCollection
	int             GetSubClassCount() const;                       // Gets collection of sub collections of parent class only
	int             GetTotalCount() const;                          // Gets the total count of it and all sub classes GetTotalCount() = GetSubClassCount() + GetCount()
	bool            HasNextImpl( int iCurrentIndex, long iChangedIndex ) const;
	bool            IsContained( ServerInstanceObject** pObject, int iCurrentIndex );

    
//==============================================================================
// These might be taken out, depends on Threshold implementation taking over
// this functionality.
// For automatic event signaling for property change events
	bool            CreateMonitoringThread( const unsigned int iTheta );
	void            DestroyMonitoringThread();
	static  DWORD   WINAPI  MonitoringThread( /*in*/ LPVOID param);
//==============================================================================


protected:
	long                            __lChangedIndex;
	ServerClassObject*              __cParentClass; // needed so that we can navigate up for Modify() function.
	HANDLE                          __hMonitoringThread;
	DWORD                           __dwMonitoringThreadId;
	vector<ServerInstanceObject*>   __pObjects;

    // No copies allowed!
};

#endif