Examples with WorkflowStep edu.harvard.iq.dataverse.workflow.step.WorkflowStep used on opensource projects

Example 1 with WorkflowStep

use of edu.harvard.iq.dataverse.workflow.step.WorkflowStep in project dataverse by IQSS.

the class WorkflowServiceBean method executeSteps.

/**
 * Execute the passed workflow, starting from {@code initialStepIdx}.
 * @param wf    The workflow to run.
 * @param ctxt  Execution context to run the workflow in.
 * @param initialStepIdx 0-based index of the first step to run.
 */
private void executeSteps(Workflow wf, WorkflowContext ctxt, int initialStepIdx) {
    final List<WorkflowStepData> steps = wf.getSteps();
    for (int stepIdx = initialStepIdx; stepIdx < steps.size(); stepIdx++) {
        WorkflowStepData wsd = steps.get(stepIdx);
        WorkflowStep step = createStep(wsd);
        WorkflowStepResult res = runStep(step, ctxt);
        try {
            if (res == WorkflowStepResult.OK) {
                logger.log(Level.INFO, "Workflow {0} step {1}: OK", new Object[] { ctxt.getInvocationId(), stepIdx });
            } else if (res instanceof Failure) {
                logger.log(Level.WARNING, "Workflow {0} failed: {1}", new Object[] { ctxt.getInvocationId(), ((Failure) res).getReason() });
                rollback(wf, ctxt, (Failure) res, stepIdx - 1);
                return;
            } else if (res instanceof Pending) {
                pauseAndAwait(wf, ctxt, (Pending) res, stepIdx);
                return;
            }
        } catch (Exception e) {
            logger.log(Level.WARNING, "Workflow {0} step {1}: Uncought exception:", new Object[] { ctxt.getInvocationId(), e.getMessage() });
            logger.log(Level.WARNING, "Trace:", e);
            rollback(wf, ctxt, (Failure) res, stepIdx - 1);
            return;
        }
    }
    workflowCompleted(wf, ctxt);
}

Example 2 with WorkflowStep

use of edu.harvard.iq.dataverse.workflow.step.WorkflowStep in project dataverse by IQSS.

the class WorkflowServiceBean method rollback.

@Asynchronous
private void rollback(Workflow wf, WorkflowContext ctxt, Failure failure, int lastCompletedStepIdx) {
    ctxt = refresh(ctxt);
    final List<WorkflowStepData> steps = wf.getSteps();
    for (int stepIdx = lastCompletedStepIdx; stepIdx >= 0; --stepIdx) {
        WorkflowStepData wsd = steps.get(stepIdx);
        WorkflowStep step = createStep(wsd);
        try {
            logger.log(Level.INFO, "Workflow {0} step {1}: Rollback", new Object[] { ctxt.getInvocationId(), stepIdx });
            rollbackStep(step, ctxt, failure);
        } catch (Exception e) {
            logger.log(Level.WARNING, "Workflow " + ctxt.getInvocationId() + " step " + stepIdx + ": Rollback error: " + e.getMessage(), e);
        }
    }
    logger.log(Level.INFO, "Removing workflow lock");
    try {
        engine.submit(new RemoveLockCommand(ctxt.getRequest(), ctxt.getDataset(), DatasetLock.Reason.Workflow));
        // Corner case - delete locks generated within this same transaction.
        Query deleteQuery = em.createQuery("DELETE from DatasetLock l WHERE l.dataset.id=:id AND l.reason=:reason");
        deleteQuery.setParameter("id", ctxt.getDataset().getId());
        deleteQuery.setParameter("reason", DatasetLock.Reason.Workflow);
        deleteQuery.executeUpdate();
    } catch (CommandException ex) {
        logger.log(Level.SEVERE, "Error restoring dataset locks state after rollback: " + ex.getMessage(), ex);
    }
}

Example 3 with WorkflowStep

use of edu.harvard.iq.dataverse.workflow.step.WorkflowStep in project dataverse by IQSS.

the class WorkflowServiceBean method doResume.

private void doResume(PendingWorkflowInvocation pending, String body) {
    Workflow wf = pending.getWorkflow();
    List<WorkflowStepData> stepsLeft = wf.getSteps().subList(pending.getPendingStepIdx(), wf.getSteps().size());
    WorkflowStep pendingStep = createStep(stepsLeft.get(0));
    final WorkflowContext ctxt = pending.reCreateContext(roleAssignees);
    WorkflowStepResult res = pendingStep.resume(ctxt, pending.getLocalData(), body);
    if (res instanceof Failure) {
        rollback(wf, ctxt, (Failure) res, pending.getPendingStepIdx() - 1);
    } else if (res instanceof Pending) {
        pauseAndAwait(wf, ctxt, (Pending) res, pending.getPendingStepIdx());
    } else {
        executeSteps(wf, ctxt, pending.getPendingStepIdx() + 1);
    }
}