protected void assertRegCenterCommonInfo() {
   assertThat(
       REG_CENTER.get("/" + jobName + "/leader/election/host"), is(localHostService.getIp()));
   assertThat(REG_CENTER.get("/" + jobName + "/config/shardingTotalCount"), is("3"));
   assertThat(REG_CENTER.get("/" + jobName + "/config/shardingItemParameters"), is("0=A,1=B,2=C"));
   assertThat(REG_CENTER.get("/" + jobName + "/config/cron"), is("0/1 * * * * ?"));
   assertThat(
       REG_CENTER.get("/" + jobName + "/servers/" + localHostService.getIp() + "/hostName"),
       is(localHostService.getHostName()));
   if (disabled) {
     assertTrue(
         REG_CENTER.isExisted(
             "/" + jobName + "/servers/" + localHostService.getIp() + "/disabled"));
   } else {
     assertFalse(
         REG_CENTER.isExisted(
             "/" + jobName + "/servers/" + localHostService.getIp() + "/disabled"));
   }
   assertFalse(
       REG_CENTER.isExisted("/" + jobName + "/servers/" + localHostService.getIp() + "/stoped"));
   assertThat(
       REG_CENTER.get("/" + jobName + "/servers/" + localHostService.getIp() + "/status"),
       is(ServerStatus.READY.name()));
   REG_CENTER.remove("/" + jobName + "/leader/election");
   assertTrue(leaderElectionService.isLeader());
 }
 /** 清理作业上次运行时信息. 只会在主节点进行. */
 public void cleanPreviousExecutionInfo() {
   if (!isExecutionNodeExisted()) {
     return;
   }
   if (leaderElectionService.isLeader()) {
     jobNodeStorage.fillEphemeralJobNode(ExecutionNode.CLEANING, "");
     List<Integer> items = getAllItems();
     for (int each : items) {
       jobNodeStorage.removeJobNodeIfExisted(ExecutionNode.getCompletedNode(each));
     }
     if (jobNodeStorage.isJobNodeExisted(ExecutionNode.NECESSARY)) {
       fixExecutionInfo(items);
     }
     jobNodeStorage.removeJobNodeIfExisted(ExecutionNode.CLEANING);
   }
   while (jobNodeStorage.isJobNodeExisted(ExecutionNode.CLEANING)) {
     BlockUtils.waitingShortTime();
   }
 }