Class CMMFDataSourceHolder

class CMMFDataSourceHolder : public CMMFObject;

Description

CMMFObject-derived class to wrap a Data Source.

Allows a handle to be attributed to a data source, so it can be removed from the controller and the client can send messages directly to it.

Derivation

• CBase - Base class for all classes to be instantiated on the heap

• CMMFObject - Defines an object to which a client may have a direct handle

• CMMFDataSourceHolder - CMMFObject-derived class to wrap a Data Source

Members

Defined in CMMFDataSourceHolder:
CMMFDataSourceHolder(), DataSource(), HandleRequest(), ~CMMFDataSourceHolder()

Inherited from CBase:
Delete(), Extension_(), operator new()

Inherited from CMMFObject:
Handle(), operator==()

IMPORT_C CMMFDataSourceHolder(MDataSource &aDataSource);

Description

Constructor.

Parameters

MDataSource &aDataSource The data source to be wrapped.

IMPORT_C ~CMMFDataSourceHolder();

Description

Destructor.

Note: This deletes the data source.

IMPORT_C MDataSource &DataSource();

Description

Returns a reference to the data source.

Return value

MDataSource & The data source.

virtual IMPORT_C void HandleRequest(TMMFMessage &aMessage);

Description

Implementation of the pure virtual function inherited from CMMFObject.

Passes the request directly to the data source.

Parameters

TMMFMessage &aMessage The message to be handled.