Rename LeapFrog to Leapfrog

[junction.git] / junction / extra / impl / MapAdapter_Leapfrog.h

diff --git a/junction/extra/impl/MapAdapter_Leapfrog.h b/junction/extra/impl/MapAdapter_Leapfrog.h
new file mode 100644 (file)
index 0000000..7661725
--- /dev/null
+++ b/junction/extra/impl/MapAdapter_Leapfrog.h
@@ -0,0 +1,62 @@
+/*------------------------------------------------------------------------
+  Junction: Concurrent data structures in C++
+  Copyright (c) 2016 Jeff Preshing
+
+  Distributed under the Simplified BSD License.
+  Original location: https://github.com/preshing/junction
+
+  This software is distributed WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the LICENSE file for more information.
+------------------------------------------------------------------------*/
+
+#ifndef JUNCTION_EXTRA_IMPL_MAPADAPTER_LEAPFROG_H
+#define JUNCTION_EXTRA_IMPL_MAPADAPTER_LEAPFROG_H
+
+#include <junction/Core.h>
+#include <junction/QSBR.h>
+#include <junction/ConcurrentMap_Leapfrog.h>
+#include <turf/Util.h>
+
+namespace junction {
+namespace extra {
+
+class MapAdapter {
+public:
+    static TURF_CONSTEXPR const char* MapName = "Junction Leapfrog map";
+
+    MapAdapter(ureg) {
+    }
+
+    class ThreadContext {
+    private:
+        QSBR::Context m_qsbrContext;
+
+    public:
+        ThreadContext(MapAdapter&, ureg) {
+        }
+
+        void registerThread() {
+            m_qsbrContext = DefaultQSBR.createContext();
+        }
+
+        void unregisterThread() {
+            DefaultQSBR.destroyContext(m_qsbrContext);
+        }
+
+        void update() {
+            DefaultQSBR.update(m_qsbrContext);
+        }
+    };
+
+    typedef ConcurrentMap_Leapfrog<u32, void*> Map;
+
+    static ureg getInitialCapacity(ureg maxPopulation) {
+        return turf::util::roundUpPowerOf2(maxPopulation / 4);
+    }
+};
+
+} // namespace extra
+} // namespace junction
+
+#endif // JUNCTION_EXTRA_IMPL_MAPADAPTER_LEAPFROG_H