分片任务失败重试优化，仅重试当前失败的分片；

doc/XXL-JOB官方文档.md

 - 32、底层RPC序列化协议调整为hessian2；
 - 33、修复表字段 “t.order”与数据库关键字冲突查询失败的问题，
 - 34、调度中心提供API服务，支持通过API服务对任务进行查询、新增、更新、启停等操作；
-- 35、【迭代中】分片任务失败重试优化，仅重试当前失败的分片；
+- 35、分片任务失败重试优化，仅重试当前失败的分片；
+- 36、【迭代中】任务参数数据框调整，手动触发时支持动态输入参数；
 
 
 ### TODO LIST

doc/db/tables_xxl_job.sql

   `executor_address` varchar(255) DEFAULT NULL COMMENT '执行器地址，本次执行的地址',
   `executor_handler` varchar(255) DEFAULT NULL COMMENT '执行器任务handler',
   `executor_param` varchar(512) DEFAULT NULL COMMENT '执行器任务参数',
+  `executor_sharding_param` varchar(20) DEFAULT NULL COMMENT '执行器任务分片参数，格式如 1/2',
   `executor_fail_retry_count` int(11) NOT NULL DEFAULT '0' COMMENT '失败重试次数',
   `trigger_time` datetime DEFAULT NULL COMMENT '调度-时间',
   `trigger_code` int(11) NOT NULL COMMENT '调度-结果',

xxl-job-admin/src/main/java/com/xxl/job/admin/controller/JobInfoController.java

 	@ResponseBody
 	//@PermessionLimit(limit = false)
 	public ReturnT<String> triggerJob(int id) {
-		JobTriggerPoolHelper.trigger(id, -1, TriggerTypeEnum.MANUAL);
+		JobTriggerPoolHelper.trigger(id, TriggerTypeEnum.MANUAL, -1, null);
 		return ReturnT.SUCCESS;
 	}
 	

xxl-job-admin/src/main/java/com/xxl/job/admin/core/jobbean/RemoteHttpJobBean.java

 
 		// trigger
 		//XxlJobTrigger.trigger(jobId);
-		JobTriggerPoolHelper.trigger(jobId, -1, TriggerTypeEnum.CRON);
+		JobTriggerPoolHelper.trigger(jobId, TriggerTypeEnum.CRON, -1, null);
 	}
 
 }

xxl-job-admin/src/main/java/com/xxl/job/admin/core/model/XxlJobLog.java

 	private String executorAddress;
 	private String executorHandler;
 	private String executorParam;
+	private String executorShardingParam;
 	private int executorFailRetryCount;
 	
 	// trigger info
 		this.executorParam = executorParam;
 	}
 
+	public String getExecutorShardingParam() {
+		return executorShardingParam;
+	}
+
+	public void setExecutorShardingParam(String executorShardingParam) {
+		this.executorShardingParam = executorShardingParam;
+	}
+
 	public int getExecutorFailRetryCount() {
 		return executorFailRetryCount;
 	}

xxl-job-admin/src/main/java/com/xxl/job/admin/core/thread/JobFailMonitorHelper.java

 									XxlJobInfo info = XxlJobDynamicScheduler.xxlJobInfoDao.loadById(log.getJobId());
 
 									if (log.getExecutorFailRetryCount() > 0) {
-
-										// TODO，分片任务失败重试优化，仅重试失败分片
-
-										JobTriggerPoolHelper.trigger(log.getJobId(), (log.getExecutorFailRetryCount()-1), TriggerTypeEnum.RETRY);
+										JobTriggerPoolHelper.trigger(log.getJobId(), TriggerTypeEnum.RETRY, (log.getExecutorFailRetryCount()-1), log.getExecutorShardingParam());
 										String retryMsg = "<br><br><span style=\"color:#F39C12;\" > >>>>>>>>>>>"+ I18nUtil.getString("jobconf_trigger_type_retry") +"<<<<<<<<<<< </span><br>";
 										log.setTriggerMsg(log.getTriggerMsg() + retryMsg);
 										XxlJobDynamicScheduler.xxlJobLogDao.updateTriggerInfo(log);

xxl-job-admin/src/main/java/com/xxl/job/admin/core/thread/JobTriggerPoolHelper.java

             new ThreadPoolExecutor.CallerRunsPolicy());
 
 
-    public void addTrigger(final int jobId, final int failRetryCount, final TriggerTypeEnum triggerType) {
+    public void addTrigger(final int jobId, final TriggerTypeEnum triggerType, final int failRetryCount, final String executorShardingParam) {
         triggerPool.execute(new Runnable() {
             @Override
             public void run() {
-                XxlJobTrigger.trigger(jobId, failRetryCount, triggerType);
+                XxlJobTrigger.trigger(jobId, triggerType, failRetryCount, executorShardingParam);
             }
         });
     }
      * 			<0: use param from job info config
      *
      */
-    public static void trigger(int jobId, int failRetryCount, TriggerTypeEnum triggerType) {
-        helper.addTrigger(jobId, failRetryCount, triggerType);
+    public static void trigger(int jobId, TriggerTypeEnum triggerType, int failRetryCount, String executorShardingParam) {
+        helper.addTrigger(jobId, triggerType, failRetryCount, executorShardingParam);
     }
 
     public static void toStop() {

xxl-job-admin/src/main/java/com/xxl/job/admin/core/trigger/XxlJobTrigger.java

 import com.xxl.job.core.enums.ExecutorBlockStrategyEnum;
 import com.xxl.job.core.util.IpUtil;
 import org.apache.commons.collections4.CollectionUtils;
+import org.apache.commons.lang3.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.ArrayList;
 import java.util.Date;
-import java.util.List;
 
 /**
  * xxl-job trigger
      * 			<0: use param from job info config
      *
      */
-    public static void trigger(int jobId, int failRetryCount, TriggerTypeEnum triggerType) {
+    public static void trigger(int jobId, TriggerTypeEnum triggerType, int failRetryCount, String executorShardingParam) {
         // load data
-        XxlJobInfo jobInfo = XxlJobDynamicScheduler.xxlJobInfoDao.loadById(jobId);              // job info
+        XxlJobInfo jobInfo = XxlJobDynamicScheduler.xxlJobInfoDao.loadById(jobId);
         if (jobInfo == null) {
             logger.warn(">>>>>>>>>>>> trigger fail, jobId invalid，jobId={}", jobId);
             return;
         }
         int finalFailRetryCount = failRetryCount>=0?failRetryCount:jobInfo.getExecutorFailRetryCount();
-        XxlJobGroup group = XxlJobDynamicScheduler.xxlJobGroupDao.load(jobInfo.getJobGroup());  // group info
+        XxlJobGroup group = XxlJobDynamicScheduler.xxlJobGroupDao.load(jobInfo.getJobGroup());
 
         // process trigger
-        if (ExecutorRouteStrategyEnum.SHARDING_BROADCAST == ExecutorRouteStrategyEnum.match(jobInfo.getExecutorRouteStrategy(), null) && CollectionUtils.isNotEmpty(group.getRegistryList())) {
-            for (int i = 0; i < group.getRegistryList().size(); i++) {
-                processTrigger(group, jobInfo, finalFailRetryCount, triggerType, i);
+        if (triggerType==TriggerTypeEnum.RETRY && executorShardingParam!=null) {
+            String[] shardingArr = executorShardingParam.split("/");
+            if (shardingArr.length==2 && StringUtils.isNumeric(shardingArr[0]) && StringUtils.isNumeric(shardingArr[1])); {
+                processTrigger(group, jobInfo, finalFailRetryCount, triggerType, Integer.valueOf(shardingArr[0]), Integer.valueOf(shardingArr[1]));
             }
         } else {
-            processTrigger(group, jobInfo, finalFailRetryCount, triggerType, 0);
+            if (CollectionUtils.isNotEmpty(group.getRegistryList())) {
+                if (ExecutorRouteStrategyEnum.SHARDING_BROADCAST == ExecutorRouteStrategyEnum.match(jobInfo.getExecutorRouteStrategy(), null)) {
+                    for (int i = 0; i < group.getRegistryList().size(); i++) {
+                        processTrigger(group, jobInfo, finalFailRetryCount, triggerType, i, group.getRegistryList().size());
+                    }
+                } else {
+                    processTrigger(group, jobInfo, finalFailRetryCount, triggerType, 0, 1);
+                }
+            } else {
+                processTrigger(group, jobInfo, finalFailRetryCount, triggerType, 0, 0);
+            }
         }
     }
 
-    private static void processTrigger(XxlJobGroup group, XxlJobInfo jobInfo, int finalFailRetryCount, TriggerTypeEnum triggerType, int index){
+    private static void processTrigger(XxlJobGroup group, XxlJobInfo jobInfo, int finalFailRetryCount, TriggerTypeEnum triggerType, int index, int total){
 
         // param
         ExecutorBlockStrategyEnum blockStrategy = ExecutorBlockStrategyEnum.match(jobInfo.getExecutorBlockStrategy(), ExecutorBlockStrategyEnum.SERIAL_EXECUTION);  // block strategy
         triggerParam.setGlueSource(jobInfo.getGlueSource());
         triggerParam.setGlueUpdatetime(jobInfo.getGlueUpdatetime().getTime());
         triggerParam.setBroadcastIndex(index);
-        triggerParam.setBroadcastTotal(group.getRegistryList()!=null?group.getRegistryList().size():0);
+        triggerParam.setBroadcastTotal(total);
 
         // 3、init address
         String address = null;
         ReturnT<String> routeAddressResult = null;
+        String shardingParam = (ExecutorRouteStrategyEnum.SHARDING_BROADCAST==executorRouteStrategyEnum &&total>0)?String.valueOf(triggerParam.getBroadcastIndex()).concat("/").concat(String.valueOf(triggerParam.getBroadcastTotal())):null;
         if (CollectionUtils.isNotEmpty(group.getRegistryList())) {
             if (ExecutorRouteStrategyEnum.SHARDING_BROADCAST == executorRouteStrategyEnum) {
                 address = group.getRegistryList().get(index);
                 .append( (group.getAddressType() == 0)?I18nUtil.getString("jobgroup_field_addressType_0"):I18nUtil.getString("jobgroup_field_addressType_1") );
         triggerMsgSb.append("<br>").append(I18nUtil.getString("jobconf_trigger_exe_regaddress")).append("：").append(group.getRegistryList());
         triggerMsgSb.append("<br>").append(I18nUtil.getString("jobinfo_field_executorRouteStrategy")).append("：").append(executorRouteStrategyEnum.getTitle());
-        if (ExecutorRouteStrategyEnum.SHARDING_BROADCAST == ExecutorRouteStrategyEnum.match(jobInfo.getExecutorRouteStrategy(), null)) {
-            triggerMsgSb.append("("+index+"/"+(group.getRegistryList()!=null?group.getRegistryList().size():0)+")");
+        if (shardingParam != null) {
+            triggerMsgSb.append("("+shardingParam+")");
         }
         triggerMsgSb.append("<br>").append(I18nUtil.getString("jobinfo_field_executorBlockStrategy")).append("：").append(blockStrategy.getTitle());
         triggerMsgSb.append("<br>").append(I18nUtil.getString("jobinfo_field_timeout")).append("：").append(jobInfo.getExecutorTimeout());
         jobLog.setExecutorAddress(address);
         jobLog.setExecutorHandler(jobInfo.getExecutorHandler());
         jobLog.setExecutorParam(jobInfo.getExecutorParam());
+        jobLog.setExecutorShardingParam(shardingParam);
         jobLog.setExecutorFailRetryCount(finalFailRetryCount);
         //jobLog.setTriggerTime();
         jobLog.setTriggerCode(triggerResult.getCode());

xxl-job-admin/src/main/java/com/xxl/job/admin/service/impl/AdminBizImpl.java

                     int childJobId = (StringUtils.isNotBlank(childJobIds[i]) && StringUtils.isNumeric(childJobIds[i]))?Integer.valueOf(childJobIds[i]):-1;
                     if (childJobId > 0) {
 
-                        JobTriggerPoolHelper.trigger(childJobId, 0, TriggerTypeEnum.PARENT);
+                        JobTriggerPoolHelper.trigger(childJobId, TriggerTypeEnum.PARENT, 0, null);
                         ReturnT<String> triggerChildResult = ReturnT.SUCCESS;
 
                         // add msg

xxl-job-admin/src/main/resources/mybatis-mapper/XxlJobLogMapper.xml

 		<result column="executor_address" property="executorAddress" />
 		<result column="executor_handler" property="executorHandler" />
 	    <result column="executor_param" property="executorParam" />
+		<result column="executor_sharding_param" property="executorShardingParam" />
 		<result column="executor_fail_retry_count" property="executorFailRetryCount" />
 	    
 	    <result column="trigger_time" property="triggerTime" />
 		t.executor_address,
 		t.executor_handler,
 		t.executor_param,
+		t.executor_sharding_param,
 		t.executor_fail_retry_count,
 		t.trigger_time,
 		t.trigger_code,
 			`executor_address`= #{executorAddress},
 			`executor_handler`=#{executorHandler},
 			`executor_param`= #{executorParam},
+			`executor_sharding_param`= #{executorShardingParam},
 			`executor_fail_retry_count`= #{executorFailRetryCount}
 		WHERE `id`= #{id}
 	</update>