集群扩展

    • com.alibaba.dubbo.rpc.cluster.support.FailoverCluster
    • com.alibaba.dubbo.rpc.cluster.support.FailfastCluster
    • com.alibaba.dubbo.rpc.cluster.support.FailbackCluster
    • com.alibaba.dubbo.rpc.cluster.support.ForkingCluster
    • com.alibaba.dubbo.rpc.cluster.support.AvailableCluster

    XxxCluster.java：