Class used by osg::Referenced to track the observers associated with it. More...
Inheritance diagram for osg::ObserverSet:
Collaboration diagram for osg::ObserverSet:
Public Types | |
| typedef std::set< Observer * > | Observers |
Public Member Functions | |
| ObserverSet (const Referenced *observedObject) | |
| Referenced * | getObserverdObject () |
| const Referenced * | getObserverdObject () const |
| Referenced * | addRefLock () |
| "Lock" a Referenced object i.e., protect it from being deleted by incrementing its reference count. More... | |
| OpenThreads::Mutex * | getObserverSetMutex () const |
| void | addObserver (Observer *observer) |
| void | removeObserver (Observer *observer) |
| void | signalObjectDeleted (void *ptr) |
| Observers & | getObservers () |
| const Observers & | getObservers () const |
 Public Member Functions inherited from osg::Referenced | |
| Referenced (bool threadSafeRefUnref) | |
| Referenced (const Referenced &) | |
| Referenced & | operator= (const Referenced &) |
| virtual void | setThreadSafeRefUnref (bool threadSafe) |
| Set whether to use a mutex to ensure ref() and unref() are thread safe. More... | |
| bool | getThreadSafeRefUnref () const |
| Get whether a mutex is used to ensure ref() and unref() are thread safe. More... | |
| bool | getThreadSafeRefUnref () const |
| OpenThreads::Mutex * | getRefMutex () const |
| Get the mutex used to ensure thread safety of ref()/unref(). More... | |
| OpenThreads::Mutex * | getRefMutex () const |
| int | ref () const |
| Increment the reference count by one, indicating that this object has another pointer which is referencing it. More... | |
| int | unref () const |
| Decrement the reference count by one, indicating that a pointer to this object is no longer referencing it. More... | |
| int | unref_nodelete () const |
| Decrement the reference count by one, indicating that a pointer to this object is no longer referencing it. More... | |
| int | referenceCount () const |
| Return the number of pointers currently referencing this object. More... | |
| ObserverSet * | getObserverSet () const |
| Get the ObserverSet if one is attached, otherwise return NULL. More... | |
| ObserverSet * | getOrCreateObserverSet () const |
| Get the ObserverSet if one is attached, otherwise create an ObserverSet, attach it, then return this newly created ObserverSet. More... | |
| void | addObserver (Observer *observer) const |
| Add a Observer that is observing this object, notify the Observer when this object gets deleted. More... | |
| void | removeObserver (Observer *observer) const |
| Remove Observer that is observing this object. More... | |
Protected Member Functions | |
| ObserverSet (const ObserverSet &rhs) | |
| ObserverSet & | operator= (const ObserverSet &) |
| Protected Member Functions inherited from osg::Referenced | |
| void | signalObserversAndDelete (bool signalDelete, bool doDelete) const |
| void | deleteUsingDeleteHandler () const |
Protected Attributes | |
| OpenThreads::Mutex | _mutex |
| Referenced * | _observedObject |
| Observers | _observers |
| Protected Attributes inherited from osg::Referenced | |
| OpenThreads::AtomicPtr | _observerSet |
| OpenThreads::Atomic | _refCount |
| OpenThreads::Mutex * | _refMutex |
| int | _refCount |
| void * | _observerSet |
Additional Inherited Members | |
| Static Public Member Functions inherited from osg::Referenced | |
| static OpenThreads::Mutex * | getGlobalReferencedMutex () |
| Get the optional global Referenced mutex, this can be shared between all osg::Referenced. More... | |
| static void | setThreadSafeReferenceCounting (bool enableThreadSafeReferenceCounting) |
| Set whether reference counting should use a mutex for thread safe reference counting. More... | |
| static bool | getThreadSafeReferenceCounting () |
| Get whether reference counting is active. More... | |
| static void | setDeleteHandler (DeleteHandler *handler) |
| Set a DeleteHandler to which deletion of all referenced counted objects will be delegated. More... | |
| static DeleteHandler * | getDeleteHandler () |
| Get a DeleteHandler. More... | |
Detailed Description
Class used by osg::Referenced to track the observers associated with it.
Member Function Documentation
◆ addRefLock()
| Referenced* osg::ObserverSet::addRefLock | ( | ) |
"Lock" a Referenced object i.e., protect it from being deleted by incrementing its reference count.
returns null if object doesn't exist anymore.
The documentation for this class was generated from the following file:
- /home/karlu20/private/installs/OpenSceneGraph/include/osg/Observer
