lsup_rdf/include/store.h

#ifndef _LSUP_STORE_H
#define _LSUP_STORE_H

/*
 * Store feature flags.
 *
 * NOTE: LSUP_STORE_PERM need only be set by an implementation based on whether
 * its path is on a default temporary dir (e.g. LSUP_MDB_RAMDISK_PATH). If this
 * flag is not set, it means the data will be cleared before the next execution
 * of the program. However, its being set does not guarantee the persistence of
 * the medium (i.e. a "permanent" store may have been created ad hoc on a
 * tempfs).
 */
#define LSUP_STORE_PERM     1<<0    // Store is on a permanent location.
#define LSUP_STORE_CTX      1<<1    // Store supports contexts (quads).
#define LSUP_STORE_IDX      1<<2    // Store is fully SPO(C)-indexed.
#define LSUP_STORE_TXN      1<<3    // Supports manual transaction handling.
#define LSUP_STORE_NET      1<<4    // Store is over a network protocol.


/* * * CALLBACKS * * */

uint64_t key_hash_fn (
        const void *item, uint64_t seed0, uint64_t seed1)
{ return (uint64_t) item; }


int key_cmp_fn (const void *a, const void *b, void *udata)
{ return (LSUP_Key) a - (LSUP_Key) b; }

#endif  /* _LSUP_STORE_H */