comparison data/model/Model.h @ 1452:6e9615bde1f9 streaming-csv-writer

For sparse models, write whole model to CSV in one go

      * Return the type of the model.  For display purposes only.
      */
     virtual QString getTypeName() const = 0;
 
     /**
+     * Return true if this is a sparse model.
+     */
+    virtual bool isSparse() const { return false; }
+    
+    /**
      * Mark the model as abandoning. This means that the application
      * no longer needs it, so it can stop doing any background
      * calculations it may be involved in. Note that as far as the
      * model API is concerned, this does nothing more than tell the
      * model to return true from isAbandoning().  The actual response