Method keySet

src/main/java/bftsmart/demo/map/MapClient.java:123–147

()

	}

	@Override
	public Set<K> keySet() {
		byte[] rep;
		try {
			MapMessage<K,V> request = new MapMessage<>();
			request.setType(MapRequestType.KEYSET);

			//invokes BFT-SMaRt
			rep = serviceProxy.invokeUnordered(MapMessage.toBytes(request));
		} catch (IOException e) {
			System.out.println("Failed to send KEYSET request: " + e.getMessage());
			return Collections.emptySet();
		}

		if (rep.length == 0) {
			return Collections.emptySet();
		}
		try {
			MapMessage<K,V> response = MapMessage.fromBytes(rep);
			return response.getKeySet();
		} catch (ClassNotFoundException | IOException ex) {
			System.out.println("Failed to deserialized response of KEYSET request: " + ex.getMessage());
			return Collections.emptySet();
		}
	}
	
	public void close() {
		serviceProxy.close();