PFW: Do not stop on hard sync errors

BZ: 76263

When synchronization fails, the parameter-framework should
log a warning and continue synchronization instead of stopping

Change-Id: Ic12d8798ea25584db714ee26e644fac793c28881
Signed-off-by: Kevin Rocard <kevinx.rocard@intel.com>
Reviewed-on: http://android.intel.com:8080/81825
Reviewed-by: Centelles, Sylvain <sylvain.centelles@intel.com>
Reviewed-by: Denneulin, Guillaume <guillaume.denneulin@intel.com>
Tested-by: Dixon, CharlesX <charlesx.dixon@intel.com>
Reviewed-by: cactus <cactus@intel.com>
Tested-by: cactus <cactus@intel.com>
diff --git a/parameter/SubsystemObject.h b/parameter/SubsystemObject.h
index 3b6f31a..6cbfd76 100644
--- a/parameter/SubsystemObject.h
+++ b/parameter/SubsystemObject.h
@@ -30,15 +30,12 @@
 class CInstanceConfigurableElement;
 class CMappingContext;
 
-class CSubsystemObject : public ISyncer
+class CSubsystemObject : private ISyncer
 {
 public:
     CSubsystemObject(CInstanceConfigurableElement* pInstanceConfigurableElement);
     virtual ~CSubsystemObject();
 
-    // from ISyncer
-    virtual bool sync(CParameterBlackboard& parameterBlackboard, bool bBack, string& strError);
-
 protected:
     // Blackboard data location
     uint8_t* getBlackboardLocation() const;
@@ -57,15 +54,21 @@
     void blackboardRead(void* pvData, uint32_t uiSize);
     void blackboardWrite(const void* pvData, uint32_t uiSize);
     // Logging
-    void log(const string& strMessage, ...) const;
+    void log_info(const string& strMessage, ...) const;
+    void log_warning(const string& strMessage, ...) const;
     // Mapping formatting
     static string formatMappingValue(const string& strMappingValue, uint32_t uiFirstAmendKey, uint32_t uiNbAmendKeys, const CMappingContext& context);
     // Configurable element retrieval
     const CInstanceConfigurableElement* getConfigurableElement() const;
 
 private:
+    // from ISyncer
+    virtual bool sync(CParameterBlackboard& parameterBlackboard, bool bBack, string& strError);
+
     CSubsystemObject(const CSubsystemObject&);
-    CSubsystemObject& operator=(const CSubsystemObject&);
+
+    // Define affection operator
+    const CSubsystemObject& operator=(const CSubsystemObject&);
 
     // Instance element to sync from/to
     CInstanceConfigurableElement* _pInstanceConfigurableElement;