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

Example 1 with Pending

use of edu.harvard.iq.dataverse.workflow.step.Pending 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 Pending

use of edu.harvard.iq.dataverse.workflow.step.Pending 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);
    }
}

Example 3 with Pending

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

the class HttpSendReceiveClientStep method run.

@Override
public WorkflowStepResult run(WorkflowContext context) {
    HttpClient client = new HttpClient();
    try {
        // build method
        HttpMethodBase mtd = buildMethod(false, context);
        // execute
        int responseStatus = client.executeMethod(mtd);
        if (responseStatus >= 200 && responseStatus < 300) {
            // HTTP OK range
            return new Pending();
        } else {
            String responseBody = mtd.getResponseBodyAsString();
            return new Failure("Error communicating with server. Server response: " + responseBody + " (" + responseStatus + ").");
        }
    } catch (Exception ex) {
        logger.log(Level.SEVERE, "Error communicating with remote server: " + ex.getMessage(), ex);
        return new Failure("Error executing request: " + ex.getLocalizedMessage(), "Cannot communicate with remote server.");
    }
}

Example 4 with Pending

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

the class PauseStep method run.

@Override
public WorkflowStepResult run(WorkflowContext context) {
    final Pending result = new Pending();
    result.getData().putAll(params);
    return result;
}