private List<Object[]> buildStepExecutionParameters(StepExecution stepExecution) { Assert.isNull( stepExecution.getId(), "to-be-saved (not updated) StepExecution can't already have an id assigned"); Assert.isNull( stepExecution.getVersion(), "to-be-saved (not updated) StepExecution can't already have a version assigned"); validateStepExecution(stepExecution); stepExecution.setId(stepExecutionIncrementer.nextLongValue()); stepExecution.incrementVersion(); // Should be 0 List<Object[]> parameters = new ArrayList<Object[]>(); String exitDescription = truncateExitDescription(stepExecution.getExitStatus().getExitDescription()); Object[] parameterValues = new Object[] { stepExecution.getId(), stepExecution.getVersion(), stepExecution.getStepName(), stepExecution.getJobExecutionId(), stepExecution.getStartTime(), stepExecution.getEndTime(), stepExecution.getStatus().toString(), stepExecution.getCommitCount(), stepExecution.getReadCount(), stepExecution.getFilterCount(), stepExecution.getWriteCount(), stepExecution.getExitStatus().getExitCode(), exitDescription, stepExecution.getReadSkipCount(), stepExecution.getWriteSkipCount(), stepExecution.getProcessSkipCount(), stepExecution.getRollbackCount(), stepExecution.getLastUpdated() }; Integer[] parameterTypes = new Integer[] { Types.BIGINT, Types.INTEGER, Types.VARCHAR, Types.BIGINT, Types.TIMESTAMP, Types.TIMESTAMP, Types.VARCHAR, Types.INTEGER, Types.INTEGER, Types.INTEGER, Types.INTEGER, Types.VARCHAR, Types.VARCHAR, Types.INTEGER, Types.INTEGER, Types.INTEGER, Types.INTEGER, Types.TIMESTAMP }; parameters.add(0, Arrays.copyOf(parameterValues, parameterValues.length)); parameters.add(1, Arrays.copyOf(parameterTypes, parameterTypes.length)); return parameters; }
@Override public void updateStepExecution(StepExecution stepExecution) { validateStepExecution(stepExecution); Assert.notNull( stepExecution.getId(), "StepExecution Id cannot be null. StepExecution must saved" + " before it can be updated."); // Do not check for existence of step execution considering // it is saved at every commit point. String exitDescription = truncateExitDescription(stepExecution.getExitStatus().getExitDescription()); // Attempt to prevent concurrent modification errors by blocking here if // someone is already trying to do it. synchronized (stepExecution) { Integer version = stepExecution.getVersion() + 1; Object[] parameters = new Object[] { stepExecution.getStartTime(), stepExecution.getEndTime(), stepExecution.getStatus().toString(), stepExecution.getCommitCount(), stepExecution.getReadCount(), stepExecution.getFilterCount(), stepExecution.getWriteCount(), stepExecution.getExitStatus().getExitCode(), exitDescription, version, stepExecution.getReadSkipCount(), stepExecution.getProcessSkipCount(), stepExecution.getWriteSkipCount(), stepExecution.getRollbackCount(), stepExecution.getLastUpdated(), stepExecution.getId(), stepExecution.getVersion() }; int count = getJdbcTemplate() .update( getQuery(UPDATE_STEP_EXECUTION), parameters, new int[] { Types.TIMESTAMP, Types.TIMESTAMP, Types.VARCHAR, Types.INTEGER, Types.INTEGER, Types.INTEGER, Types.INTEGER, Types.VARCHAR, Types.VARCHAR, Types.INTEGER, Types.INTEGER, Types.INTEGER, Types.INTEGER, Types.INTEGER, Types.TIMESTAMP, Types.BIGINT, Types.INTEGER }); // Avoid concurrent modifications... if (count == 0) { int curentVersion = getJdbcTemplate() .queryForObject( getQuery(CURRENT_VERSION_STEP_EXECUTION), new Object[] {stepExecution.getId()}, Integer.class); throw new OptimisticLockingFailureException( "Attempt to update step execution id=" + stepExecution.getId() + " with wrong version (" + stepExecution.getVersion() + "), where current version is " + curentVersion); } stepExecution.incrementVersion(); } }
/** * Validate StepExecution. At a minimum, JobId, StartTime, and Status cannot be null. EndTime can * be null for an unfinished job. * * @throws IllegalArgumentException */ private void validateStepExecution(StepExecution stepExecution) { Assert.notNull(stepExecution); Assert.notNull(stepExecution.getStepName(), "StepExecution step name cannot be null."); Assert.notNull(stepExecution.getStartTime(), "StepExecution start time cannot be null."); Assert.notNull(stepExecution.getStatus(), "StepExecution status cannot be null."); }