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-rw-r--r--src/base/statistics.hh35
1 files changed, 35 insertions, 0 deletions
diff --git a/src/base/statistics.hh b/src/base/statistics.hh
index 048c1be86..fbf8ee769 100644
--- a/src/base/statistics.hh
+++ b/src/base/statistics.hh
@@ -777,6 +777,25 @@ class FunctorProxy : public ProxyInfo
Result total() const { return (*functor)(); }
};
+/**
+ * A proxy similar to the FunctorProxy, but allows calling a method of a bound
+ * object, instead of a global free-standing function.
+ */
+template <class T, class V>
+class MethodProxy : public ProxyInfo
+{
+ private:
+ T *object;
+ typedef V (T::*MethodPointer) () const;
+ MethodPointer method;
+
+ public:
+ MethodProxy(T *obj, MethodPointer meth) : object(obj), method(meth) {}
+ Counter value() const { return (object->*method)(); }
+ Result result() const { return (object->*method)(); }
+ Result total() const { return (object->*method)(); }
+};
+
template <class Derived>
class ValueBase : public DataWrap<Derived, ScalarInfoProxy>
{
@@ -805,6 +824,22 @@ class ValueBase : public DataWrap<Derived, ScalarInfoProxy>
return this->self();
}
+ /**
+ * Extended functor that calls the specified method of the provided object.
+ *
+ * @param obj Pointer to the object whose method should be called.
+ * @param method Pointer of the function / method of the object.
+ * @return Updated stats item.
+ */
+ template <class T, class V>
+ Derived &
+ method(T *obj, V (T::*method)() const)
+ {
+ proxy = new MethodProxy<T,V>(obj, method);
+ this->setInit();
+ return this->self();
+ }
+
Counter value() { return proxy->value(); }
Result result() const { return proxy->result(); }
Result total() const { return proxy->total(); };