How to use

getIdentifier

method

in

org.axonframework.eventhandling.DomainEventMessage

          schema.metaDataColumn()) + ") VALUES (?,?,?,?,?,?,?,?,?)";
preparedStatement.setString(1, snapshot.getIdentifier());
preparedStatement.setString(2, snapshot.getAggregateIdentifier());
preparedStatement.setLong(3, snapshot.getSequenceNumber());

SerializedObject<?> payload = event.serializePayload(serializer, dataType);
SerializedObject<?> metaData = event.serializeMetaData(serializer, dataType);
preparedStatement.setString(1, event.getIdentifier());
preparedStatement.setString(2, event.getAggregateIdentifier());
preparedStatement.setLong(3, event.getSequenceNumber());

@Test
@SuppressWarnings("OptionalGetWithoutIsPresent")
public void testLoadTrackedEvents() throws InterruptedException {
  testSubject.appendEvents(createEvents(4));
  assertEquals(4, testSubject.readEvents(null, false).count());
  // give the clock some time to make sure the last message is really last
  Thread.sleep(10);
  DomainEventMessage<?> eventMessage = createEvent("otherAggregate", 0);
  testSubject.appendEvents(eventMessage);
  assertEquals(5, testSubject.readEvents(null, false).count());
  assertEquals(eventMessage.getIdentifier(),
         testSubject.readEvents(null, false).reduce((a, b) -> b).get().getIdentifier());
}

/**
 * Constructor used to create a new event entry to store in Mongo.
 *
 * @param serializer Serializer to use for the event to store
 * @param events     The events contained in this commit
 */
public CommitEntry(List<? extends DomainEventMessage<?>> events, Serializer serializer) {
  DomainEventMessage firstEvent = events.get(0);
  DomainEventMessage lastEvent = events.get(events.size() - 1);
  firstSequenceNumber = firstEvent.getSequenceNumber();
  firstTimestamp = formatInstant(firstEvent.getTimestamp());
  lastTimestamp = formatInstant(lastEvent.getTimestamp());
  lastSequenceNumber = lastEvent.getSequenceNumber();
  aggregateIdentifier = lastEvent.getAggregateIdentifier();
  lastEventIdentifier = lastEvent.getIdentifier();
  aggregateType = lastEvent.getType();
  eventEntries = new EventEntry[events.size()];
  for (int i = 0, eventsLength = events.size(); i < eventsLength; i++) {
    DomainEventMessage event = events.get(i);
    eventEntries[i] = new EventEntry(event, serializer);
  }
}

SerializedObject<?> payload = event.serializePayload(serializer, dataType);
SerializedObject<?> metaData = event.serializeMetaData(serializer, dataType);
preparedStatement.setString(1, event.getIdentifier());
preparedStatement.setString(2, event.getAggregateIdentifier());
preparedStatement.setLong(3, event.getSequenceNumber());

          schema.metaDataColumn()) + ") VALUES (?,?,?,?,?,?,?,?,?)";
preparedStatement.setString(1, snapshot.getIdentifier());
preparedStatement.setString(2, snapshot.getAggregateIdentifier());
preparedStatement.setLong(3, snapshot.getSequenceNumber());

/**
 * Constructor used to create a new event entry to store in Mongo.
 *
 * @param event      The actual DomainEvent to store
 * @param serializer Serializer to use for the event to store
 */
public EventEntry(DomainEventMessage<?> event, Serializer serializer) {
  aggregateIdentifier = event.getAggregateIdentifier();
  aggregateType = event.getType();
  sequenceNumber = event.getSequenceNumber();
  eventIdentifier = event.getIdentifier();
  Class<?> serializationTarget = String.class;
  if (serializer.canSerializeTo(DBObject.class)) {
    serializationTarget = DBObject.class;
  }
  SerializedObject<?> serializedPayloadObject = event.serializePayload(serializer, serializationTarget);
  SerializedObject<?> serializedMetaDataObject = event.serializeMetaData(serializer, serializationTarget);
  serializedPayload = serializedPayloadObject.getData();
  payloadType = serializedPayloadObject.getType().getName();
  payloadRevision = serializedPayloadObject.getType().getRevision();
  serializedMetaData = serializedMetaDataObject.getData();
  timestamp = formatInstant(event.getTimestamp());
}