| GNOME Data Access 4.0 manual | ||||
|---|---|---|---|---|
GdaVirtualConnection;
GdaConnection* gda_virtual_connection_open (GdaVirtualProvider *virtual_provider,
GError **error);
void gda_virtual_connection_internal_set_provider_data
(GdaVirtualConnection *vcnc,
gpointer data,
GDestroyNotify destroy_func);
gpointer gda_virtual_connection_internal_get_provider_data
(GdaVirtualConnection *cnc);
GdaConnection* gda_virtual_connection_open (GdaVirtualProvider *virtual_provider, GError **error);
Creates and opens a new virtual connection using the virtual_provider provider
virtual_provider : |
a GdaVirtualProvider object |
error : |
a place to store errors, or NULL
|
| Returns : | a new GdaConnection object, or NULL if an error occurred
|
void gda_virtual_connection_internal_set_provider_data
(GdaVirtualConnection *vcnc,
gpointer data,
GDestroyNotify destroy_func);
Note: calling this function more than once will not make it call destroy_func on any previously
set opaque data, you'll have to do it yourself.
vcnc : |
a GdaConnection object |
data : |
an opaque structure, known only to the provider for which vcnc is opened
|
destroy_func : |
function to call when the connection closes and data needs to be destroyed
|
gpointer gda_virtual_connection_internal_get_provider_data
(GdaVirtualConnection *cnc);
Get the opaque pointer previously set using gda_virtual_connection_internal_set_provider_data().
If it's not set, then add a connection event and returns NULL
cnc : |
|
| Returns : | the pointer to the opaque structure set using gda_virtual_connection_internal_set_provider_data()
|