/* OpenMetadataUpdate
* opens metadata file
*
* "meta" [ OUT ] - return parameter for metadata
*/
LIB_EXPORT rc_t CC VTableOpenMetadataUpdate ( VTable *self, struct KMetadata **meta )
{
rc_t rc;
if ( meta == NULL )
rc = RC ( rcVDB, rcTable, rcOpening, rcParam, rcNull );
else
{
if ( self == NULL )
rc = RC ( rcVDB, rcTable, rcOpening, rcSelf, rcNull );
else
{
* meta = self -> meta;
return KMetadataAddRef ( self -> meta );
}
* meta = NULL;
}
return rc;
}
/* OpenMetadataUpdate
* opens metadata for update
*
* "meta" [ OUT ] - return parameter for metadata
*/
LIB_EXPORT rc_t CC VDatabaseOpenMetadataUpdate ( VDatabase *self, KMetadata **meta )
{
rc_t rc;
if ( meta == NULL )
rc = RC ( rcVDB, rcDatabase, rcAccessing, rcParam, rcNull );
else
{
* meta = NULL;
if ( self == NULL )
rc = RC ( rcVDB, rcDatabase, rcAccessing, rcSelf, rcNull );
else
{
/* we operate under the notion of
single-threaded operation, so hand out
read or update capable object */
rc = KMetadataAddRef ( self -> meta );
if ( rc == 0 )
* meta = self -> meta;
}
}
return rc;
}
/* AddRef
* Release
* all objects are reference counted
* NULL references are ignored
*/
inline rc_t AddRef () const throw()
{ return KMetadataAddRef ( this ); }