libdballe
9.11
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Cursor iterating over messages. More...
#include <cursor.h>
Public Member Functions | |
virtual void | enq (Enq &enq) const |
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virtual std::shared_ptr< Message > | get_message () const =0 |
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virtual bool | has_value () const =0 |
Check if the cursor points to a valid value. More... | |
virtual int | remaining () const =0 |
Get the number of rows still to be fetched. More... | |
virtual bool | next ()=0 |
Get a new item from the results of a query. More... | |
virtual void | discard ()=0 |
Discard the results that have not been read yet. | |
virtual DBStation | get_station () const =0 |
Get the whole station data in a single call. | |
Static Public Member Functions | |
static std::shared_ptr< CursorMessage > | downcast (std::shared_ptr< dballe::CursorMessage > c) |
Downcast a shared_ptr pointer. | |
static std::shared_ptr< CursorMessage > | make_empty () |
Create a CursorStation iterating on no results. | |
Cursor iterating over messages.