New SharedSingleton, resolves destruction of objects with static storage duration.

src/ripple_data/protocol/ripple_LedgerFormats.cpp

@@ -5,7 +5,6 @@
 //==============================================================================
 
 LedgerFormats::LedgerFormats ()
-    : SharedSingleton <LedgerFormats> (SingletonLifetime::persistAfterCreation)
 {
     add ("AccountRoot", ltACCOUNT_ROOT)
             << SOElement (sfAccount,             SOE_REQUIRED)
@@ -105,11 +104,6 @@ LedgerFormats::LedgerFormats ()
             ;
 }
 
-LedgerFormats* LedgerFormats::createInstance ()
-{
-    return new LedgerFormats;
-}
-
 void LedgerFormats::addCommonFields (Item& item)
 {
     item
@@ -118,3 +112,8 @@ void LedgerFormats::addCommonFields (Item& item)
         << SOElement(sfFlags,                   SOE_REQUIRED)
         ;
 }
+
+LedgerFormats* LedgerFormats::getInstance ()
+{
+    return SharedSingleton <LedgerFormats>::getInstance ();
+}

src/ripple_data/protocol/ripple_LedgerFormats.h

@@ -103,15 +103,12 @@ enum LedgerSpecificFlags
 
 /** Holds the list of known ledger entry formats.
 */
-class LedgerFormats
-    : public KnownFormats <LedgerEntryType>
-    , public SharedSingleton <LedgerFormats>
+class LedgerFormats : public KnownFormats <LedgerEntryType>
 {
-private:
+public:
     LedgerFormats ();
 
-public:
-    static LedgerFormats* createInstance ();
+    static LedgerFormats* getInstance ();
 
 private:
     void addCommonFields (Item& item);

src/ripple_data/protocol/ripple_TxFormats.cpp

@@ -5,7 +5,6 @@
 //==============================================================================
 
 TxFormats::TxFormats ()
-    : SharedSingleton <TxFormats> (SingletonLifetime::persistAfterCreation)
 {
     add ("AccountSet", ttACCOUNT_SET)
             << SOElement (sfEmailHash,       SOE_OPTIONAL)
@@ -91,7 +90,7 @@ void TxFormats::addCommonFields (Item& item)
         ;
 }
 
-TxFormats* TxFormats::createInstance ()
+TxFormats* TxFormats::getInstance ()
 {
-    return new TxFormats;
+    return SharedSingleton <TxFormats>::getInstance ();
 }

src/ripple_data/protocol/ripple_TxFormats.h

@@ -37,21 +37,18 @@ enum TxType
 
 /** Manages the list of known transaction formats.
 */
-class TxFormats
-    : public KnownFormats <TxType>
-    , public SharedSingleton <TxFormats>
+class TxFormats : public KnownFormats <TxType>
 {
 private:
-    /** Create the object.
+    void addCommonFields (Item& item);
 
+public:
+    /** Create the object.
         This will load the object will all the known transaction formats.
     */
     TxFormats ();
 
-    void addCommonFields (Item& item);
-
-public:
-    static TxFormats* createInstance ();
+    static TxFormats* getInstance ();
 };
 
 #endif