public Statement(World world, Node subject, Node predicate, Node object) {
long s = (subject != null) ? core.librdf_new_node_from_node(subject.__get_object()) : 0;
long p = (predicate != null) ? core.librdf_new_node_from_node(predicate.__get_object()) : 0;
long o = (object != null) ? core.librdf_new_node_from_node(object.__get_object()) : 0;
this.world = world;
this.object = core.librdf_new_statement_from_nodes(world.__get_object(), s, p, o);
}
public Statement(World world) {
this.world = world;
this.object = core.librdf_new_statement(world.__get_object());
}