How to use

com.netflix.suro.sink.kafka.SuroKeyedMessage

constructor

@Override
public void writeTo(MessageContainer message) {
  long key = msgId++;
  if (!keyTopicMap.isEmpty()) {
    try {
      Map<String, Object> msgMap = message.getEntity(new TypeReference<Map<String, Object>>() {});
      Object keyField = msgMap.get(keyTopicMap.get(message.getRoutingKey()));
      if (keyField != null) {
        key = keyField.hashCode();
      }
    } catch (Exception e) {
      log.error("Exception on getting key field: " + e.getMessage());
    }
  }
  enqueue(new SuroKeyedMessage(key, message.getMessage()));
}

@Override
public void writeTo(MessageContainer message) {
  long key = msgId++;
  if (!keyTopicMap.isEmpty()) {
    try {
      Map<String, Object> msgMap = message.getEntity(new TypeReference<Map<String, Object>>() {});
      Object keyField = msgMap.get(keyTopicMap.get(message.getRoutingKey()));
      if (keyField != null) {
        key = keyField.hashCode();
      }
    } catch (Exception e) {
      QueuedSink.log.error("Exception on getting key field: " + e.getMessage());
    }
  }
  QueuedSink.log.trace( "KafkaSink writeTo()" );
  receivedCount.incrementAndGet();
  enqueue(new SuroKeyedMessage(key, message.getMessage()));
}

for( Message m : msgList ){
  SuroKeyedMessage sKeyedMsg = (SuroKeyedMessage) m;
  msgCopies.add( new SuroKeyedMessage( sKeyedMsg.getKey(), 
                     new Message( m.getRoutingKey(), m.getPayload() )));