23 #ifndef _PLUGINS_OPENNI_UTILS_SKEL_IF_OBSERVER_H_
24 #define _PLUGINS_OPENNI_UTILS_SKEL_IF_OBSERVER_H_
26 #include <blackboard/interface_observer.h>
27 #include <plugins/openni/utils/types.h>
38 class SkelIfObserver :
public BlackBoardInterfaceObserver
52 unsigned int active_queue_;
53 std::queue<std::string> queues_[2];