Examples of org.springframework.batch.core.StepExecution

org.springframework.batch.core.StepExecution
Batch domain object representation the execution of a step. Unlike {@link JobExecution}, there are additional properties related the processing of items such as commit count, etc. @author Lucas Ward @author Dave Syer

  @RequestMapping(value = "/jobs/executions/{jobExecutionId}/steps/{stepExecutionId}", method = RequestMethod.GET)
  public String detail(Model model, @PathVariable Long jobExecutionId, @PathVariable Long stepExecutionId,
      @ModelAttribute("date") Date date, Errors errors) {


    try {
      StepExecution stepExecution = jobService.getStepExecution(jobExecutionId, stepExecutionId);
      model.addAttribute(new StepExecutionInfo(stepExecution, timeZone));
    }
    catch (NoSuchStepExecutionException e) {
      errors.reject("no.such.step.execution", new Object[] { stepExecutionId }, "There is no such step execution ("
          + stepExecutionId + ")");

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  @RequestMapping(value = "/jobs/executions/{jobExecutionId}/steps/{stepExecutionId}/progress", method = RequestMethod.GET)
  public String history(Model model, @PathVariable Long jobExecutionId, @PathVariable Long stepExecutionId,
      @ModelAttribute("date") Date date, Errors errors) {


    try {
      StepExecution stepExecution = jobService.getStepExecution(jobExecutionId, stepExecutionId);
      model.addAttribute(new StepExecutionInfo(stepExecution, timeZone));
      String stepName = stepExecution.getStepName();
      if (stepName.contains(":partition")) {
        // assume we want to compare all partitions
        stepName = stepName.replaceAll("(:partition).*", "$1*");
      }
      String jobName = stepExecution.getJobExecution().getJobInstance().getJobName();
      StepExecutionHistory stepExecutionHistory = computeHistory(jobName, stepName);
      model.addAttribute(stepExecutionHistory);
      model.addAttribute(new StepExecutionProgress(stepExecution, stepExecutionHistory));
    }
    catch (NoSuchStepExecutionException e) {

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  @RequestMapping(value = "/jobs/executions/{jobExecutionId}/steps/{stepExecutionId}/execution-context", method = RequestMethod.GET)
  public String getStepExecutionContext(Model model, @PathVariable Long jobExecutionId, @PathVariable Long stepExecutionId,
                      @ModelAttribute("date") Date date, Errors errors) {
    try {
      StepExecution stepExecution = jobService.getStepExecution(jobExecutionId, stepExecutionId);
      Map<String, Object> executionMap = new HashMap<String, Object>();


      for (Map.Entry<String, Object> entry : stepExecution.getExecutionContext().entrySet()) {
        executionMap.put(entry.getKey(), entry.getValue());
      }


      model.addAttribute("stepExecutionContext", objectMapper.writeValueAsString(executionMap));
      model.addAttribute("stepExecutionId", stepExecutionId);
      model.addAttribute("stepName", stepExecution.getStepName());
      model.addAttribute("jobExecutionId", jobExecutionId);
    }
    catch (NoSuchJobExecutionException e) {
      errors.reject("no.such.job.execution", new Object[] { jobExecutionId }, "There is no such job execution ("
          + jobExecutionId + ")");

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    return jobExecution==null ? -1 : jobExecution.getId();
  }


  public String getLatestStepExitDescription() {
    JobExecution jobExecution = getLatestJobExecution(jobName);
    StepExecution stepExecution = getLatestStepExecution(jobExecution);
    return stepExecution==null ? "" : stepExecution.getExitStatus().getExitDescription();
  }

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    return stepExecution==null ? "" : stepExecution.getExitStatus().getExitDescription();
  }


  public String getLatestStepName() {
    JobExecution jobExecution = getLatestJobExecution(jobName);
    StepExecution stepExecution = getLatestStepExecution(jobExecution);
    return stepExecution==null ? "" : stepExecution.getStepName();
  }

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    }
  }


  private StepExecution getLatestStepExecution(JobExecution jobExecution) {
    Collection<StepExecution> stepExecutions = jobExecution.getStepExecutions();
    StepExecution stepExecution = null;
    if (!stepExecutions.isEmpty()) {
      Date latest = new Date(0L);
      for (StepExecution candidate : stepExecutions) {
        Date stepDate = candidate.getEndTime();
        stepDate = stepDate==null ? new Date() : stepDate;
        if (stepDate.after(latest)) {
          latest = stepDate;
          stepExecution = candidate;
        }
        else if (stepExecution!=null && stepDate.equals(latest) && candidate.getId()>stepExecution.getId()) {
          // Tie breaker using ID
          stepExecution = candidate;            
        }
      }
    }

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      Collection<StepExecutionInfo> stepExecutionInfos = new ArrayList<StepExecutionInfo>();


      for (String name : stepNames) {
        boolean found = false;
        for (Iterator<StepExecution> iterator = stepExecutions.iterator(); iterator.hasNext();) {
          StepExecution stepExecution = iterator.next();
          if (stepExecution.getStepName().equals(name)) {
            stepExecutionInfos.add(new StepExecutionInfo(stepExecution, timeZone));
            iterator.remove();
            found = true;
          }
        }

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  }


  private static class StepExecutionRowMapper implements RowMapper<StepExecution> {


    public StepExecution mapRow(ResultSet rs, int rowNum) throws SQLException {
      StepExecution stepExecution = new StepExecution(rs.getString(2), null);
      stepExecution.setId(rs.getLong(1));
      stepExecution.setStartTime(rs.getTimestamp(3));
      stepExecution.setEndTime(rs.getTimestamp(4));
      stepExecution.setStatus(BatchStatus.valueOf(rs.getString(5)));
      stepExecution.setCommitCount(rs.getInt(6));
      stepExecution.setReadCount(rs.getInt(7));
      stepExecution.setFilterCount(rs.getInt(8));
      stepExecution.setWriteCount(rs.getInt(9));
      stepExecution.setExitStatus(new ExitStatus(rs.getString(10), rs.getString(11)));
      stepExecution.setReadSkipCount(rs.getInt(12));
      stepExecution.setWriteSkipCount(rs.getInt(13));
      stepExecution.setProcessSkipCount(rs.getInt(14));
      stepExecution.setRollbackCount(rs.getInt(15));
      stepExecution.setLastUpdated(rs.getTimestamp(16));
      stepExecution.setVersion(rs.getInt(17));
      return stepExecution;
    }

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      }
      logger.debug("Removed step executions from job execution: " + missingStepNames);
    }


    for (String stepName : missingStepNames) {
      StepExecution stepExecution = jobExecution.createStepExecution(stepName);
      stepExecution.setStatus(BatchStatus.UNKNOWN);
    }


    return jobExecution.getStepExecutions();


  }

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  @Override
  public StepExecution getStepExecution(Long jobExecutionId, Long stepExecutionId)
      throws NoSuchJobExecutionException, NoSuchStepExecutionException {
    JobExecution jobExecution = getJobExecution(jobExecutionId);
    StepExecution stepExecution = stepExecutionDao.getStepExecution(jobExecution, stepExecutionId);
    if (stepExecution == null) {
      throw new NoSuchStepExecutionException("There is no StepExecution with jobExecutionId=" + jobExecutionId
          + " and id=" + stepExecutionId);
    }
    try {
      stepExecution.setExecutionContext(executionContextDao.getExecutionContext(stepExecution));
    }
    catch (Exception e) {
      logger.info("Cannot load execution context for step execution: " + stepExecution);
    }
    return stepExecution;

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