@Override
    public synchronized boolean init(final RpcOptions rpcOptions) {
        final boolean ret = super.init(rpcOptions);
        if (ret) {
            this.nodeOptions = (NodeOptions) rpcOptions;
        }
        return ret;
    }
Raft rpc service based bolt.

@author boyan (boyan@alibaba-inc.com)
@author jiachun.fjc
jraft-core/src/main/java/com/alipay/sofa/jraft/rpc/impl/core/DefaultRaftClientService.java