SDatabase.h

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/*
 * Copyright (c) 2005 Palmsource, Inc.
 * 
 * This software is licensed as described in the file LICENSE, which
 * you should have received as part of this distribution. The terms
 * are also available at http://www.openbinder.org/license.html.
 * 
 * This software consists of voluntary contributions made by many
 * individuals. For the exact contribution history, see the revision
 * history and logs, available at http://www.openbinder.org
 */

#ifndef STORAGE_PDATABASE_H_
#define STORAGE_PDATABASE_H_

#include <support/Atom.h>
#include <support/Locker.h>
#include <support/KeyedVector.h>

#include <DataMgr.h>
#include <SchemaDatabases.h>

#if _SUPPORTS_NAMESPACE
namespace palmos {
namespace storage {
using namespace palmos::support;
#endif


class SDatabase
{
public:
    // --------------------------------------------------------------
                        SDatabase();

                        SDatabase(DatabaseID dbID,
                                DmOpenModeType mode, DbShareModeType share);
                        

                        SDatabase(const char *dbName, type_code dbCreator,
                                DmOpenModeType mode, DbShareModeType share);
                        
                        //* @see DmFindDatabaseByTypeCreator() */
                        SDatabase(type_code dbType, type_code dbCreator,
                                DmOpenModeType mode, DbShareModeType share);

                        SDatabase(const SDatabase &orig);

                        ~SDatabase();

            SDatabase&  operator=(const SDatabase& o);

            status_t    StatusCheck() const;
            bool        IsValid() const;

            status_t    Status() const;


    // --------------------------------------------------------------

            DmOpenRef   GetOpenRef() const;
            DatabaseID  DbID() const;


private:
    status_t            open_database(DatabaseID dbID, uint16_t attr, DmOpenModeType mode, DbShareModeType share);
    
    class PrvOpenDbAtom : public virtual SAtom
    {
        public:
                        PrvOpenDbAtom(DatabaseID dbID, uint16_t attr, DmOpenModeType mode, DbShareModeType share, status_t * outResult);
            virtual     ~PrvOpenDbAtom();
            DatabaseID  m_dbID;
            DmOpenRef   m_dbRef;
            uint16_t    m_dbAttr;
    };

    sptr<PrvOpenDbAtom> m_database;
    status_t    m_dbErr;

    typedef DatabaseID dmRefTableKey;
    static SLocker s_dmRefTableLock;
    static SKeyedVector<dmRefTableKey, wptr<PrvOpenDbAtom> > s_dmRefTable;
};

#if _SUPPORTS_NAMESPACE
} } // palmos::storage
#endif

#endif // STORAGE_PDATABASE_H_

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