Examples with PollForDecisionTaskRequest com.uber.cadence.PollForDecisionTaskRequest used on opensource projects

Example 1 with PollForDecisionTaskRequest

use of com.uber.cadence.PollForDecisionTaskRequest in project cadence-client by uber-java.

the class WorkflowPollTask method poll.

@Override
public PollForDecisionTaskResponse poll() throws TException {
    metricScope.counter(MetricsType.DECISION_POLL_COUNTER).inc(1);
    Stopwatch sw = metricScope.timer(MetricsType.DECISION_POLL_LATENCY).start();
    PollForDecisionTaskRequest pollRequest = new PollForDecisionTaskRequest();
    pollRequest.setDomain(domain);
    pollRequest.setIdentity(identity);
    pollRequest.setBinaryChecksum(BinaryChecksum.getBinaryChecksum());
    TaskList tl = new TaskList();
    tl.setName(taskList);
    pollRequest.setTaskList(tl);
    if (log.isDebugEnabled()) {
        log.debug("poll request begin: " + pollRequest);
    }
    PollForDecisionTaskResponse result;
    try {
        result = service.PollForDecisionTask(pollRequest);
    } catch (InternalServiceError | ServiceBusyError e) {
        metricScope.counter(MetricsType.DECISION_POLL_TRANSIENT_FAILED_COUNTER).inc(1);
        throw e;
    } catch (TException e) {
        metricScope.counter(MetricsType.DECISION_POLL_FAILED_COUNTER).inc(1);
        throw e;
    }
    if (log.isDebugEnabled()) {
        log.debug("poll request returned decision task: workflowType=" + result.getWorkflowType() + ", workflowExecution=" + result.getWorkflowExecution() + ", startedEventId=" + result.getStartedEventId() + ", previousStartedEventId=" + result.getPreviousStartedEventId() + (result.getQuery() != null ? ", queryType=" + result.getQuery().getQueryType() : ""));
    }
    if (result == null || result.getTaskToken() == null) {
        metricScope.counter(MetricsType.DECISION_POLL_NO_TASK_COUNTER).inc(1);
        return null;
    }
    Scope metricsScope = metricScope.tagged(ImmutableMap.of(MetricsTag.WORKFLOW_TYPE, result.getWorkflowType().getName()));
    metricsScope.counter(MetricsType.DECISION_POLL_SUCCEED_COUNTER).inc(1);
    metricsScope.timer(MetricsType.DECISION_SCHEDULED_TO_START_LATENCY).record(Duration.ofNanos(result.getStartedTimestamp() - result.getScheduledTimestamp()));
    sw.stop();
    return result;
}