Method get_output_message_cache

engine/src/execution_graph/graph.cpp:284–284

	std::shared_ptr<ral::cache::CacheMachine> graph::get_input_message_cache() { return input_cache_; }

	std::shared_ptr<ral::cache::CacheMachine> graph::get_output_message_cache() {return output_cache_; }

	std::set<graph::Edge> graph::get_neighbours(kernel * from) { return edges_[from->get_id()]; }
	std::set<graph::Edge> graph::get_neighbours(int32_t id) { return edges_[id]; }