dataset.h

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#ifndef VOLK_DATASET_H
#define VOLK_DATASET_H
 
#include "volksdata/graph.h"
 


typedef struct dataset_t {
    VOLK_Store      *store;     
    VOLK_TermSet    *gr;        
} VOLK_Dataset;
 

VOLK_Dataset *
VOLK_dataset_new (VOLK_Store *store);
 

VOLK_Dataset *
VOLK_dataset_new_from_store_txn (void *txn, VOLK_Store *store);

#define VOLK_dataset_new_from_store(...) VOLK_dataset_new_from_store_txn (\
        NULL, __VA_ARGS__)
 

void
VOLK_dataset_free (VOLK_Dataset *ds);
 

inline VOLK_rc
VOLK_dataset_add (VOLK_Dataset *ds, const VOLK_Graph *gr)
{
    if (VOLK_graph_store (gr)->id != ds->store->id) return VOLK_VALUE_ERR;
 
    return VOLK_term_set_add (
            ds->gr, VOLK_term_copy (VOLK_graph_uri (gr)), NULL);
}
 

inline VOLK_rc
VOLK_dataset_remove (VOLK_Dataset *ds, const VOLK_Graph *gr)
{ return VOLK_term_set_remove (ds->gr, (VOLK_Term *) VOLK_graph_uri (gr)); }
 

size_t
VOLK_dataset_size (VOLK_Dataset *ds);
 

inline bool
VOLK_dataset_contains (VOLK_Dataset *ds, const VOLK_Graph *gr)
{
    if (VOLK_graph_store (gr)->id != ds->store->id) return false;
 
    return VOLK_term_set_get (
            ds->gr, VOLK_term_hash (VOLK_graph_uri (gr))) != NULL;
}

 
#endif  // VOLK_DATASET_H