public static EventProtos.RootInputInitializerEventProto convertRootInputInitializerEventToProto( InputInitializerEvent event) { EventProtos.RootInputInitializerEventProto.Builder builder = EventProtos.RootInputInitializerEventProto.newBuilder(); builder.setTargetVertexName(event.getTargetVertexName()); builder.setTargetInputName(event.getTargetInputName()); if (event.getUserPayload() != null) { builder.setUserPayload(ByteString.copyFrom(event.getUserPayload())); } return builder.build(); }