ObjectBase.rb in perobs-2.4.0

- old
+ new

@@ -23,10 +23,11 @@
 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
+require 'perobs/Log'
 require 'perobs/ClassMap'
 
 module PEROBS
 
   # This class is used to replace a direct reference to another Ruby object by
@@ -45,17 +46,15 @@
     end
 
     # Proxy all calls to unknown methods to the referenced object.
     def method_missing(method_sym, *args, &block)
       unless (obj = _referenced_object)
-        ::Kernel.raise ::RuntimeError,
-          "Internal consistency error. No object with ID #{@id} found in " +
-          'the store.'
+        ::PEROBS.log.fatal "Internal consistency error. No object with ID " +
+          "#{@id} found in the store."
       end
       if obj.respond_to?(:is_poxreference?)
-        ::Kernel.raise ::RuntimeError,
-          "POXReference that references a POXReference found."
+        ::PEROBS.log.fatal "POXReference that references a POXReference found."
       end
       obj.send(method_sym, *args, &block)
     end
 
     # Proxy all calls to unknown methods to the referenced object. Calling
@@ -145,9 +144,23 @@
     # is done this way to prevent the Proc object hanging on to a reference to
     # self which would prevent the object from being collected. This internal
     # method is not intended for users to call.
     def ObjectBase._finalize(store, id)
       proc { store._collect(id) }
+    end
+
+    # Library internal method to transfer the Object to a new store.
+    # @param store [Store] New store
+    def _transfer(store)
+      @store = store
+      # Remove the previously defined finalizer as it is attached to the old
+      # store.
+      ObjectSpace.undefine_finalizer(self)
+      # Register the object as in-memory object with the new store.
+      @store._register_in_memory(self, @_id)
+      # Register the finalizer for the new store.
+      ObjectSpace.define_finalizer(self, ObjectBase._finalize(@store, @_id))
+      @myself = POXReference.new(@store, @_id)
     end
 
     # This method can be overloaded by derived classes to do some massaging on
     # the data after it has been restored from the database. This could either
     # be some sanity check or code to migrate the object from one version to