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

Example 1 with WorkflowType

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

the class ReplayDecisionTaskHandler method createDecider.

private ReplayDecider createDecider(HistoryHelper historyHelper) throws Exception {
    PollForDecisionTaskResponse decisionTask = historyHelper.getDecisionTask();
    WorkflowType workflowType = decisionTask.getWorkflowType();
    DecisionsHelper decisionsHelper = new DecisionsHelper(decisionTask);
    ReplayWorkflow workflow = workflowFactory.getWorkflow(workflowType);
    return new ReplayDecider(domain, workflow, historyHelper, decisionsHelper);
}

Example 2 with WorkflowType

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

the class SyncWorkflow method start.

@Override
public void start(HistoryEvent event, DecisionContext context) {
    WorkflowType workflowType = event.getWorkflowExecutionStartedEventAttributes().getWorkflowType();
    if (workflow == null) {
        throw new IllegalArgumentException("Unknown workflow type: " + workflowType);
    }
    SyncDecisionContext syncContext = new SyncDecisionContext(context, dataConverter);
    if (event.getEventType() != EventType.WorkflowExecutionStarted) {
        throw new IllegalArgumentException("first event is not WorkflowExecutionStarted, but " + event.getEventType());
    }
    workflowProc = new WorkflowRunnable(syncContext, workflow, event.getWorkflowExecutionStartedEventAttributes());
    runner = DeterministicRunner.newRunner(threadPool, syncContext, context::currentTimeMillis, workflowProc);
    syncContext.setRunner(runner);
}

Example 3 with WorkflowType

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

the class SyncDecisionContext method executeChildWorkflowOnce.

/**
 * @param executionResult promise that is set bu this method when child workflow is started.
 */
private Promise<byte[]> executeChildWorkflowOnce(String name, ChildWorkflowOptions options, byte[] input, CompletablePromise<WorkflowExecution> executionResult) {
    StartChildWorkflowExecutionParameters parameters = new StartChildWorkflowExecutionParameters.Builder().setWorkflowType(new WorkflowType().setName(name)).setWorkflowId(options.getWorkflowId()).setInput(input).setChildPolicy(options.getChildPolicy()).setExecutionStartToCloseTimeoutSeconds(options.getExecutionStartToCloseTimeout().getSeconds()).setDomain(options.getDomain()).setTaskList(options.getTaskList()).setTaskStartToCloseTimeoutSeconds(options.getTaskStartToCloseTimeout().getSeconds()).setWorkflowIdReusePolicy(options.getWorkflowIdReusePolicy()).build();
    CompletablePromise<byte[]> result = Workflow.newPromise();
    Consumer<Exception> cancellationCallback = context.startChildWorkflow(parameters, executionResult::complete, (output, failure) -> {
        if (failure != null) {
            runner.executeInWorkflowThread("child workflow failure callback", () -> result.completeExceptionally(mapChildWorkflowException(failure)));
        } else {
            runner.executeInWorkflowThread("child workflow completion callback", () -> result.complete(output));
        }
    });
    CancellationScope.current().getCancellationRequest().thenApply((reason) -> {
        cancellationCallback.accept(new CancellationException(reason));
        return null;
    });
    return result;
}

Example 4 with WorkflowType

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

the class WorkflowDecisionContext method handleStartChildWorkflowExecutionFailed.

void handleStartChildWorkflowExecutionFailed(HistoryEvent event) {
    StartChildWorkflowExecutionFailedEventAttributes attributes = event.getStartChildWorkflowExecutionFailedEventAttributes();
    String workflowId = attributes.getWorkflowId();
    if (decisions.handleStartChildWorkflowExecutionFailed(event)) {
        OpenChildWorkflowRequestInfo scheduled = scheduledExternalWorkflows.remove(workflowId);
        if (scheduled != null) {
            WorkflowExecution workflowExecution = new WorkflowExecution();
            workflowExecution.setWorkflowId(workflowId);
            WorkflowType workflowType = attributes.getWorkflowType();
            ChildWorkflowExecutionFailedCause cause = attributes.getCause();
            RuntimeException failure = new StartChildWorkflowFailedException(event.getEventId(), workflowExecution, workflowType, cause);
            BiConsumer<byte[], Exception> completionCallback = scheduled.getCompletionCallback();
            completionCallback.accept(null, failure);
        }
    }
}

Example 5 with WorkflowType

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

the class WorkflowStubImpl method startWithOptions.

private WorkflowExecution startWithOptions(WorkflowOptions o, Object... args) {
    if (execution.get() != null) {
        throw new DuplicateWorkflowException(execution.get(), workflowType.get(), "Cannot reuse a stub instance to start more than one workflow execution. The stub " + "points to already started execution.");
    }
    StartWorkflowExecutionParameters p = new StartWorkflowExecutionParameters();
    p.setTaskStartToCloseTimeoutSeconds(o.getTaskStartToCloseTimeout().getSeconds());
    if (o.getWorkflowId() == null) {
        p.setWorkflowId(UUID.randomUUID().toString());
    } else {
        p.setWorkflowId(o.getWorkflowId());
    }
    p.setExecutionStartToCloseTimeoutSeconds(o.getExecutionStartToCloseTimeout().getSeconds());
    p.setInput(dataConverter.toData(args));
    p.setWorkflowType(new WorkflowType().setName(workflowType.get()));
    p.setTaskList(o.getTaskList());
    p.setChildPolicy(o.getChildPolicy());
    try {
        execution.set(genericClient.startWorkflow(p));
    } catch (WorkflowExecutionAlreadyStartedError e) {
        execution.set(new WorkflowExecution().setWorkflowId(p.getWorkflowId()).setRunId(e.getRunId()));
        WorkflowExecution execution = new WorkflowExecution().setWorkflowId(p.getWorkflowId()).setRunId(e.getRunId());
        throw new DuplicateWorkflowException(execution, workflowType.get(), e.getMessage());
    } catch (Exception e) {
        throw new WorkflowServiceException(execution.get(), workflowType, e);
    }
    return execution.get();
}