diff options
Diffstat (limited to 'indra/llcommon/llinstancetracker.h')
| -rw-r--r-- | indra/llcommon/llinstancetracker.h | 54 |
1 files changed, 36 insertions, 18 deletions
diff --git a/indra/llcommon/llinstancetracker.h b/indra/llcommon/llinstancetracker.h index 11f4063a1d..21d16e9ef7 100644 --- a/indra/llcommon/llinstancetracker.h +++ b/indra/llcommon/llinstancetracker.h @@ -39,9 +39,9 @@ #include "string_table.h" #include <boost/utility.hpp> -// This mix-in class adds support for tracking all instances of the specificed class parameter T +// This mix-in class adds support for tracking all instances of the specified class parameter T // The (optional) key associates a value of type KEY with a given instance of T, for quick lookup -// If KEY is not provided, then instances are stored in a simple list +// If KEY is not provided, then instances are stored in a simple set template<typename T, typename KEY = T*> class LLInstanceTracker : boost::noncopyable { @@ -49,11 +49,11 @@ public: typedef typename std::map<KEY, T*>::iterator instance_iter; typedef typename std::map<KEY, T*>::const_iterator instance_const_iter; - static T* getInstance(const KEY& k) { instance_iter found = sInstances.find(k); return (found == sInstances.end()) ? NULL : found->second; } + static T* getInstance(const KEY& k) { instance_iter found = getMap().find(k); return (found == getMap().end()) ? NULL : found->second; } - static instance_iter beginInstances() { return sInstances.begin(); } - static instance_iter endInstances() { return sInstances.end(); } - static S32 instanceCount() { return sInstances.size(); } + static instance_iter beginInstances() { return getMap().begin(); } + static instance_iter endInstances() { return getMap().end(); } + static S32 instanceCount() { return getMap().size(); } protected: LLInstanceTracker(KEY key) { add(key); } virtual ~LLInstanceTracker() { remove(); } @@ -64,14 +64,23 @@ private: void add(KEY key) { mKey = key; - sInstances[key] = static_cast<T*>(this); + getMap()[key] = static_cast<T*>(this); } - void remove() { sInstances.erase(mKey); } + void remove() { getMap().erase(mKey); } + + static std::map<KEY, T*>& getMap() + { + if (! sInstances) + { + sInstances = new std::map<KEY, T*>; + } + return *sInstances; + } private: KEY mKey; - static std::map<KEY, T*> sInstances; + static std::map<KEY, T*>* sInstances; }; template<typename T> @@ -81,20 +90,29 @@ public: typedef typename std::set<T*>::iterator instance_iter; typedef typename std::set<T*>::const_iterator instance_const_iter; - static instance_iter instancesBegin() { return sInstances.begin(); } - static instance_iter instancesEnd() { return sInstances.end(); } - static S32 instanceCount() { return sInstances.size(); } + static instance_iter instancesBegin() { return getSet().begin(); } + static instance_iter instancesEnd() { return getSet().end(); } + static S32 instanceCount() { return getSet().size(); } protected: - LLInstanceTracker() { sInstances.insert(static_cast<T*>(this)); } - virtual ~LLInstanceTracker() { sInstances.erase(static_cast<T*>(this)); } + LLInstanceTracker() { getSet().insert(static_cast<T*>(this)); } + virtual ~LLInstanceTracker() { getSet().erase(static_cast<T*>(this)); } + + LLInstanceTracker(const LLInstanceTracker& other) { getSet().insert(static_cast<T*>(this)); } - LLInstanceTracker(const LLInstanceTracker& other) { sInstances.insert(static_cast<T*>(this)); } + static std::set<T*>& getSet() // called after getReady() but before go() + { + if (! sInstances) + { + sInstances = new std::set<T*>; + } + return *sInstances; + } - static std::set<T*> sInstances; + static std::set<T*>* sInstances; }; -template <typename T, typename KEY> std::map<KEY, T*> LLInstanceTracker<T, KEY>::sInstances; -template <typename T> std::set<T*> LLInstanceTracker<T, T*>::sInstances; +template <typename T, typename KEY> std::map<KEY, T*>* LLInstanceTracker<T, KEY>::sInstances = NULL; +template <typename T> std::set<T*>* LLInstanceTracker<T, T*>::sInstances = NULL; #endif |