io.zeebe.protocol.impl.record.value.job.JobHeaders java code examples

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private void myMethod () {
 ScheduledThreadPoolExecutor s =new ScheduledThreadPoolExecutor(corePoolSize)
ThreadFactory threadFactory;new ScheduledThreadPoolExecutor(corePoolSize, threadFactory)
String str;new ScheduledThreadPoolExecutor(1, new ThreadFactoryBuilder().setNameFormat(str).build())
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}

private static JobHeaders fromBrokerJobHeaders(
  io.zeebe.protocol.impl.record.value.job.JobHeaders headers) {
 return JobHeaders.newBuilder()
   .setWorkflowInstanceKey(headers.getWorkflowInstanceKey())
   .setBpmnProcessId(bufferAsString(headers.getBpmnProcessId()))
   .setWorkflowDefinitionVersion(headers.getWorkflowDefinitionVersion())
   .setWorkflowKey(headers.getWorkflowKey())
   .setElementId(bufferAsString(headers.getElementId()))
   .setElementInstanceKey(headers.getElementInstanceKey())
   .build();
}

 private void populateJobFromTask(
   BpmnStepContext<T> context, WorkflowInstanceRecord value, ExecutableServiceTask serviceTask) {
  final DirectBuffer headers = serviceTask.getEncodedHeaders();

  jobCommand.reset();
  jobCommand
    .setType(serviceTask.getType())
    .setRetries(serviceTask.getRetries())
    .setPayload(value.getPayload())
    .setCustomHeaders(headers)
    .getHeaders()
    .setBpmnProcessId(value.getBpmnProcessId())
    .setWorkflowDefinitionVersion(value.getVersion())
    .setWorkflowKey(value.getWorkflowKey())
    .setWorkflowInstanceKey(value.getWorkflowInstanceKey())
    .setElementId(serviceTask.getId())
    .setElementInstanceKey(context.getRecord().getKey());
 }
}

.setErrorType(ErrorType.JOB_NO_RETRIES)
.setErrorMessage(incidentErrorMessage)
.setBpmnProcessId(jobHeaders.getBpmnProcessId())
.setWorkflowInstanceKey(jobHeaders.getWorkflowInstanceKey())
.setElementId(jobHeaders.getElementId())
.setElementInstanceKey(jobHeaders.getElementInstanceKey())
.setJobKey(event.getKey())
.setVariableScopeKey(jobHeaders.getElementInstanceKey());

 @Override
 public void processRecord(
   TypedRecord<JobRecord> record,
   TypedResponseWriter responseWriter,
   TypedStreamWriter streamWriter) {

  final JobHeaders jobHeaders = record.getValue().getHeaders();
  final long elementInstanceKey = jobHeaders.getElementInstanceKey();
  if (elementInstanceKey > 0) {
   final ElementInstance elementInstance =
     workflowState.getElementInstanceState().getInstance(elementInstanceKey);

   if (elementInstance != null) {
    elementInstance.setJobKey(record.getKey());
   }
  }
 }
}

 public TypedRecord<JobRecord> awaitJobInState(final String activityId, final JobIntent state) {
  final DirectBuffer activityIdBuffer = wrapString(activityId);
  final Supplier<TypedRecordStream<JobRecord>> lookupStream =
    () ->
      environmentRule
        .events()
        .onlyJobRecords()
        .filter(r -> r.getValue().getHeaders().getElementId().equals(activityIdBuffer))
        .withIntent(state);

  waitUntil(() -> lookupStream.get().findFirst().isPresent());
  return lookupStream.get().findFirst().get();
 }
}

public JobHeaders setElementId(DirectBuffer elementId) {
 return setElementId(elementId, 0, elementId.capacity());
}

 @Override
 public void processRecord(
   TypedRecord<JobRecord> event,
   TypedResponseWriter responseWriter,
   TypedStreamWriter streamWriter) {
  final JobRecord value = event.getValue();

  if (value.getRetries() <= 0) {
   final JobHeaders jobHeaders = value.getHeaders();

   final DirectBuffer jobErrorMessage = value.getErrorMessage();
   DirectBuffer incidentErrorMessage = DEFAULT_ERROR_MESSAGE;
   if (jobErrorMessage.capacity() > 0) {
    incidentErrorMessage = jobErrorMessage;
   }

   incidentEvent.reset();
   incidentEvent
     .setErrorType(ErrorType.JOB_NO_RETRIES)
     .setErrorMessage(incidentErrorMessage)
     .setBpmnProcessId(jobHeaders.getBpmnProcessId())
     .setWorkflowInstanceKey(jobHeaders.getWorkflowInstanceKey())
     .setElementId(jobHeaders.getElementId())
     .setElementInstanceKey(jobHeaders.getElementInstanceKey())
     .setJobKey(event.getKey());

   streamWriter.appendNewCommand(IncidentIntent.CREATE, incidentEvent);
  }
 }
}

 @Override
 public void processRecord(
   TypedRecord<JobRecord> record,
   TypedResponseWriter responseWriter,
   TypedStreamWriter streamWriter) {

  final JobHeaders jobHeaders = record.getValue().getHeaders();
  final long elementInstanceKey = jobHeaders.getElementInstanceKey();
  if (elementInstanceKey > 0) {
   final ElementInstance elementInstance =
     workflowState.getElementInstanceState().getInstance(elementInstanceKey);

   if (elementInstance != null) {
    elementInstance.setJobKey(record.getKey());
   }
  }
 }
}

 public TypedRecord<JobRecord> awaitJobInState(final String activityId, final JobIntent state) {
  final DirectBuffer activityIdBuffer = wrapString(activityId);
  final Supplier<TypedRecordStream<JobRecord>> lookupStream =
    () ->
      environmentRule
        .events()
        .onlyJobRecords()
        .filter(r -> r.getValue().getHeaders().getElementId().equals(activityIdBuffer))
        .withIntent(state);

  waitUntil(() -> lookupStream.get().findFirst().isPresent());
  return lookupStream.get().findFirst().get();
 }
}

 @Override
 public void handle(final BpmnStepContext<ExecutableServiceTask> context) {

  final WorkflowInstanceRecord value = context.getValue();
  final ExecutableServiceTask serviceTask = context.getElement();

  jobCommand.reset();

  jobCommand
    .setType(serviceTask.getType())
    .setRetries(serviceTask.getRetries())
    .setPayload(value.getPayload())
    .getHeaders()
    .setBpmnProcessId(value.getBpmnProcessId())
    .setWorkflowDefinitionVersion(value.getVersion())
    .setWorkflowKey(value.getWorkflowKey())
    .setWorkflowInstanceKey(value.getWorkflowInstanceKey())
    .setElementId(serviceTask.getId())
    .setElementInstanceKey(context.getRecord().getKey());

  final DirectBuffer headers = serviceTask.getEncodedHeaders();
  jobCommand.setCustomHeaders(headers);

  context.getCommandWriter().appendNewCommand(JobIntent.CREATE, jobCommand);
 }
}

private JobRecordValue ofJobRecord(JobRecord record) {
 final JobHeaders jobHeaders = record.getHeaders();
 final HeadersImpl headers =
   new HeadersImpl(
     asString(jobHeaders.getBpmnProcessId()),
     asString(jobHeaders.getElementId()),
     jobHeaders.getElementInstanceKey(),
     jobHeaders.getWorkflowInstanceKey(),
     jobHeaders.getWorkflowKey(),
     jobHeaders.getWorkflowDefinitionVersion());
 final Instant deadline;
 if (record.getDeadline() != Protocol.INSTANT_NULL_VALUE) {
  deadline = Instant.ofEpochMilli(record.getDeadline());
 } else {
  deadline = null;
 }
 return new JobRecordValueImpl(
   objectMapper,
   asJson(record.getPayload()),
   asString(record.getType()),
   asString(record.getWorker()),
   deadline,
   headers,
   asMsgPackMap(record.getCustomHeaders()),
   record.getRetries(),
   asString(record.getErrorMessage()));
}

private void activateJobs(TypedStreamWriter streamWriter, JobBatchRecord value) {
 final Iterator<JobRecord> iterator = value.jobs().iterator();
 final Iterator<LongValue> keyIt = value.jobKeys().iterator();
 while (iterator.hasNext() && keyIt.hasNext()) {
  final JobRecord jobRecord = iterator.next();
  final LongValue next1 = keyIt.next();
  final long key = next1.getValue();
  // update state and write follow up event for job record
  final long elementInstanceKey = jobRecord.getHeaders().getElementInstanceKey();
  if (elementInstanceKey >= 0) {
   final DirectBuffer payload = collectPayload(variableNames, elementInstanceKey);
   jobRecord.setPayload(payload);
  } else {
   jobRecord.setPayload(WorkflowInstanceRecord.EMPTY_PAYLOAD);
  }
  // we have to copy the job record because #write will reset the iterator state
  final ExpandableArrayBuffer copy = new ExpandableArrayBuffer();
  jobRecord.write(copy, 0);
  final JobRecord copiedJob = new JobRecord();
  copiedJob.wrap(copy, 0, jobRecord.getLength());
  state.activate(key, copiedJob);
  streamWriter.appendFollowUpEvent(key, JobIntent.ACTIVATED, copiedJob);
 }
}

record
  .getHeaders()
  .setBpmnProcessId(wrapString(bpmnProcessId))
  .setWorkflowKey(workflowKey)
  .setWorkflowDefinitionVersion(workflowDefinitionVersion)
  .setWorkflowInstanceKey(workflowInstanceKey)
  .setElementId(wrapString(elementId))
  .setElementInstanceKey(activityInstanceKey);

private JobRecordValue ofJobRecord(JobRecord record) {
 final JobHeaders jobHeaders = record.getHeaders();
 final HeadersImpl headers =
   new HeadersImpl(
     asString(jobHeaders.getBpmnProcessId()),
     asString(jobHeaders.getElementId()),
     jobHeaders.getElementInstanceKey(),
     jobHeaders.getWorkflowInstanceKey(),
     jobHeaders.getWorkflowKey(),
     jobHeaders.getWorkflowDefinitionVersion());
 final Instant deadline;
 if (record.getDeadline() != Protocol.INSTANT_NULL_VALUE) {
  deadline = Instant.ofEpochMilli(record.getDeadline());
 } else {
  deadline = null;
 }
 return new JobRecordValueImpl(
   objectMapper,
   asJson(record.getPayload()),
   asString(record.getType()),
   asString(record.getWorker()),
   deadline,
   headers,
   asMsgPackMap(record.getCustomHeaders()),
   record.getRetries(),
   asString(record.getErrorMessage()));
}

private void activateJobs(TypedStreamWriter streamWriter, JobBatchRecord value) {
 final Iterator<JobRecord> iterator = value.jobs().iterator();
 final Iterator<LongValue> keyIt = value.jobKeys().iterator();
 while (iterator.hasNext() && keyIt.hasNext()) {
  final JobRecord jobRecord = iterator.next();
  final LongValue next1 = keyIt.next();
  final long key = next1.getValue();
  // update state and write follow up event for job record
  final long elementInstanceKey = jobRecord.getHeaders().getElementInstanceKey();
  if (elementInstanceKey >= 0) {
   final DirectBuffer payload = collectPayload(variableNames, elementInstanceKey);
   jobRecord.setPayload(payload);
  } else {
   jobRecord.setPayload(WorkflowInstanceRecord.EMPTY_PAYLOAD);
  }
  // we have to copy the job record because #write will reset the iterator state
  final ExpandableArrayBuffer copy = new ExpandableArrayBuffer();
  jobRecord.write(copy, 0);
  final JobRecord copiedJob = new JobRecord();
  copiedJob.wrap(copy, 0, jobRecord.getLength());
  state.activate(key, copiedJob);
  streamWriter.appendFollowUpEvent(key, JobIntent.ACTIVATED, copiedJob);
 }
}

record
  .getHeaders()
  .setBpmnProcessId(wrapString(bpmnProcessId))
  .setWorkflowKey(workflowKey)
  .setWorkflowDefinitionVersion(workflowDefinitionVersion)
  .setWorkflowInstanceKey(workflowInstanceKey)
  .setElementId(wrapString(elementId))
  .setElementInstanceKey(activityInstanceKey);

 @Override
 public void processRecord(
   final TypedRecord<JobRecord> record,
   final TypedResponseWriter responseWriter,
   final TypedStreamWriter streamWriter) {

  final JobRecord jobEvent = record.getValue();
  final JobHeaders jobHeaders = jobEvent.getHeaders();
  final long elementInstanceKey = jobHeaders.getElementInstanceKey();
  final ElementInstance elementInstance =
    workflowState.getElementInstanceState().getInstance(elementInstanceKey);

  if (elementInstance != null) {

   final WorkflowInstanceRecord value = elementInstance.getValue();
   value.setPayload(jobEvent.getPayload());

   streamWriter.appendFollowUpEvent(
     elementInstanceKey, WorkflowInstanceIntent.ELEMENT_COMPLETING, value);
   elementInstance.setState(WorkflowInstanceIntent.ELEMENT_COMPLETING);
   elementInstance.setJobKey(-1);
   elementInstance.setValue(value);

   workflowState
     .getElementInstanceState()
     .getVariablesState()
     .setPayload(elementInstanceKey, jobEvent.getPayload());
  }
 }
}

.setBpmnProcessId(wrapString(bpmnProcessId))
.setWorkflowKey(workflowKey)
.setWorkflowDefinitionVersion(workflowDefinitionVersion)
.setWorkflowInstanceKey(workflowInstanceKey)
.setElementId(wrapString(activityId))
.setElementInstanceKey(activityInstanceKey);

final long elementInstanceKey = jobHeaders.getElementInstanceKey();
final ElementInstance elementInstance =
  workflowState.getElementInstanceState().getInstance(elementInstanceKey);

.setBpmnProcessId(wrapString(bpmnProcessId))
.setWorkflowKey(workflowKey)
.setWorkflowDefinitionVersion(workflowDefinitionVersion)
.setWorkflowInstanceKey(workflowInstanceKey)
.setElementId(wrapString(activityId))
.setElementInstanceKey(activityInstanceKey);

How to useJobHeaders in io.zeebe.protocol.impl.record.value.job

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JobHeaders
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io.zeebe.protocol.impl.record.value.job