@Bean
    public ClusterSelectMasterService clusterSelectMasterJdbcService(final ClusterProperties clusterProperties,
                                                                     final JdbcLockRegistry jdbcLockRegistry,
                                                                     final ClusterMasterMapper clusterMasterMapper) {
        return new ClusterSelectMasterServiceJdbcImpl(clusterProperties, jdbcLockRegistry, clusterMasterMapper);
    }
Shenyu select master service.

@param clusterProperties the cluster properties
@param jdbcLockRegistry the jdbc lock registry
@param clusterMasterMapper the cluster master mapper
@return the shenyu select master service
shenyu-admin/src/main/java/org/apache/shenyu/admin/config/ClusterJdbcConfiguration.java