Function _StatePayloadInfo

src/serializers/encoder/v13/encode_graph.c:73–109

returns a state information regarding the number of entities required to encode in this state

// returns a state information regarding the number of entities required
// to encode in this state
static PayloadInfo _StatePayloadInfo
(
	GraphContext *gc,
	EncodeState state,
	uint64_t offset,
	uint64_t entities_to_encode
) {
	uint64_t required_entities_count = 0;
	switch(state) {
	case ENCODE_STATE_NODES:
		required_entities_count = Graph_NodeCount(gc->g);
		break;
	case ENCODE_STATE_DELETED_NODES:
		required_entities_count = Graph_DeletedNodeCount(gc->g);
		break;
	case ENCODE_STATE_EDGES:
		required_entities_count = Graph_EdgeCount(gc->g);
		break;
	case ENCODE_STATE_DELETED_EDGES:
		required_entities_count = Graph_DeletedEdgeCount(gc->g);
		break;
	case ENCODE_STATE_GRAPH_SCHEMA:
		required_entities_count = 1;
		break;
	default:
		ASSERT(false && "Unknown encoding state in _CurrentStatePayloadInfo");
		break;
	}

	PayloadInfo payload_info;
	payload_info.state = state;
	// when this state will be encoded, the number of entities to encode
	// is the minimum between the number of entities to encode and
	// the remaining entities left to encode from the same type
	payload_info.entities_count = MIN(entities_to_encode, required_entities_count - offset);
	return payload_info;
}

// this function saves the key content schema
// and returns it so the encoder can know how to encode the key