Method addAgent

ZezeJava/ZezeJava/src/main/java/Zeze/Raft/ProxyAgent.java:100–106

(Agent agent)

	private final ConcurrentHashMap<String, Agent> agents = new ConcurrentHashMap<>();

	public void addAgent(Agent agent) {
		var raftConfig = agent.getRaftConfig();
		for (var node : raftConfig.getNodes().values()) {
			if (null != agents.putIfAbsent(node.getName(), agent))
				throw new RuntimeException("duplicate agent node " + node.getName());
		}
	}

	/**
	 * 如果启用了代理，则把rpc包装成代理协议，发送出去；