PrimManagerUsdNoticeListener

Fully qualified name: isaacsim::core::includes::PrimManagerUsdNoticeListener

class PrimManagerUsdNoticeListener : public isaacsim::core::includes::UsdNoticeListener<pxr::UsdNotice::ObjectsChanged>

Custom USD notice listener for handling object changes in the stage.

Implements a specialized listener for USD object change notifications, specifically handling prim additions, removals, and modifications. This listener is essential for maintaining synchronization between the USD stage and component management system.

Public Functions

inline PrimManagerUsdNoticeListener(ComponentManager *manager)

Constructs a new USD notice listener.

Parameters:

manager – [in] Pointer to the component manager that will handle notifications

inline virtual void handleNotice(

const pxr::UsdNotice::ObjectsChanged &objectsChanged,

) override

Handles USD object change notifications.

Processes notifications about changes to USD objects, including prim additions, removals, and modifications. Triggers appropriate component manager callbacks.

Parameters:

objectsChanged – [in] The notification containing information about changed objects

inline void registerListener()

Registers this listener to receive USD notices of type T.

Sets up the notice listener using weak pointers to avoid circular references. Automatically revokes any existing listener registration to prevent leaks.

Note

Safe to call multiple times - will revoke previous registration first

inline void revokeListener()

Revokes the notice listener registration.

Safely unregisters the notice listener if it was previously registered. Safe to call multiple times or when no listener is registered.

Note

Automatically called in destructor