Added internal statistics for LazyList

[libcds.git] / cds / container / impl / lazy_kvlist.h

diff --git a/cds/container/impl/lazy_kvlist.h b/cds/container/impl/lazy_kvlist.h
index 5e44938753bc536c2d9da10e5c18d95fdaa9baeb..59947bb935c4351f9b63bf1e07735dd3a6164949 100644 (file)
--- a/cds/container/impl/lazy_kvlist.h
+++ b/cds/container/impl/lazy_kvlist.h
@@ -25,7 +25,7 @@
     SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
     CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.     
+    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
 #ifndef CDSLIB_CONTAINER_IMPL_LAZY_KVLIST_H
@@ -133,6 +133,7 @@ namespace cds { namespace container {
         typedef typename base_class::item_counter item_counter;   ///< Item counter type
         typedef typename maker::key_comparator    key_comparator; ///< key comparing functor
         typedef typename base_class::memory_model memory_model;   ///< Memory ordering. See \p cds::opt::memory_model
+        typedef typename base_class::stat         stat;           ///< Internal statistics
 
         static CDS_CONSTEXPR const size_t c_nHazardPtrCount = base_class::c_nHazardPtrCount; ///< Count of hazard pointer required for the algorithm
 
@@ -371,6 +372,13 @@ namespace cds { namespace container {
         LazyKVList()
         {}
 
+        //@cond
+        template <typename Stat, typename = std::enable_if<std::is_same<stat, lazy_list::wrapped_stat<Stat>>::value >>
+        explicit LazyKVList( Stat& st )
+            : base_class( st )
+        {}
+        //@endcond
+
         /// Destructor clears the list
         ~LazyKVList()
         {
@@ -753,6 +761,12 @@ namespace cds { namespace container {
             return base_class::size();
         }
 
+        /// Returns const reference to internal statistics
+        stat const& statistics() const
+        {
+            return base_class::statistics();
+        }
+
         /// Clears the list
         void clear()
         {