[PropertyHelper] always write value the 1st time

include/yat4tango/PropertyHelper.h

@@ -108,7 +108,7 @@ private:
   template <class T>
   static bool value_cache(Tango::DeviceImpl* dev_p, const std::string& name,
                           T val, std::map<DevAttrPair, T>* values_cache_p,
-                          bool memorized, bool store);
+                          bool store);
 
   template<typename T>
   struct ValueComp

include/yat4tango/PropertyHelper.hpp

@@ -34,7 +34,7 @@ namespace yat4tango
 {
 
 #define FLOAT_PRECISION float(1e-8)
-#define DOUBLE_PRECISION 1e-15
+#define DOUBLE_PRECISION double(1e-15)
 
 //-------------------------------------------------------------------------
 // Comparison functors specialization for floatting point numbers
@@ -98,7 +98,7 @@ template <class T>
 bool PropertyHelper::value_cache(Tango::DeviceImpl* dev_p,
                                  const std::string& name, T val,
                                  std::map<DevAttrPair, T>* values_cache_p,
-                                 bool memorized, bool store)
+                                 bool store)
 {
   typedef typename std::map<DevAttrPair, T>::const_iterator MapIterator;
   static yat::Mutex s_mtx;
@@ -122,22 +122,9 @@ bool PropertyHelper::value_cache(Tango::DeviceImpl* dev_p,
     T last_val;
     if( (*values_cache_p).end() == it )
     {
-      try
-      {
-        // Value not cached yet, read it from database
-        if( memorized )
-          // memorized value
-          last_val = get_memorized_attribute<T>(dev_p, name);
-        else
-          // ordinary property
-          last_val = get_property<T>(dev_p, name);
-      }
-      catch(...)
-      {
-        // probably no value in database yet
+      // Value not cached yet
       return true;
     }
-    }
     else
       last_val = it->second;
 
@@ -160,7 +147,7 @@ bool PropertyHelper::cache_property_value(Tango::DeviceImpl* dev_p,
   typedef typename std::map<DevAttrPair, T> LastMemValues;
   static LastMemValues s_memorized_values;
 
-  return value_cache(dev_p, property_name, val, &s_memorized_values, false, store);
+  return value_cache(dev_p, property_name, val, &s_memorized_values, store);
 }
 
 //-------------------------------------------------------------------------
@@ -294,7 +281,7 @@ bool PropertyHelper::cache_memorized_attribute(Tango::DeviceImpl* dev_p,
   typedef typename std::map<DevAttrPair, T> LastMemValues;
   static LastMemValues s_memorized_values;
 
-  return value_cache(dev_p, attribute_name, val, &s_memorized_values, true, store);
+  return value_cache(dev_p, attribute_name, val, &s_memorized_values, store);
 }
 
 //-------------------------------------------------------------------------