Class MBackupObserver

class MBackupObserver;

Description

Backup server wrapper observer interface.

MBackupObserver defines the interface to be implemented by any code that will hold file locks or may attempt to access files regardless of other device state e.g. a phone app may always attempt to access the contacts database for caller id

Members

Defined in MBackupObserver:

• ChangeFileLockL(const TDesC &,TFileLockFlags)Called by the server to request the file owner to change the lock on the specifi...
• EReleaseLockNoAccessOwner should close the file.
• EReleaseLockReadOnlyOwner should stop writing to the file.
• ETakeLockOwner can reopen/resume writing to the file.
• TFileLockFlagsFlags indicating how to change a file lock.

virtual void ChangeFileLockL(const TDesC &aFileName, TFileLockFlags aFlags)=0;

Description

Called by the server to request the file owner to change the lock on the specified file.

Parameters

const TDesC16 &aFileName Filename of affected file MBackupObserver::TFileLockFlags aFlags Flag indicating how to change the file lock

TFileLockFlags

Description

Flags indicating how to change a file lock.

ETakeLock Owner can reopen/resume writing to the file. EReleaseLockReadOnly Owner should stop writing to the file. EReleaseLockNoAccess Owner should close the file.