IntervalTreeBuilder()

static int IntervalTreeBuilder ( const LWGEOM *  lwgeom, GeomCache *  geomcache  )

static

Builder, freeer and public accessor for cached IntervalTrees.

Definition at line 62 of file lwgeom_itree.c.

{
        IntervalTreeGeomCache *cache = (IntervalTreeGeomCache*)geomcache;
        IntervalTree *itree = itree_from_lwgeom(lwgeom);
 
        if (cache->itree)
        {
                itree_free(cache->itree);
                cache->itree = 0;
        }
        if (!itree)
                return LW_FAILURE;
 
        cache->itree = itree;
        return LW_SUCCESS;
}

References IntervalTreeGeomCache::itree, itree_free(), itree_from_lwgeom(), LW_FAILURE, and LW_SUCCESS.

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