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setup/e2/RIC-E2-TERMINATION/mapWrapper.h

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+/*
+ * Copyright 2019 AT&T Intellectual Property
+ * Copyright 2019 Nokia
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * This source code is part of the near-RT RIC (RAN Intelligent Controller)
+ * platform project (RICP).
+ */
+
+
+//
+// Created by adi ENZEL on 8/28/19.
+//
+
+#ifndef E2_MAPWRAPPER_H
+#define E2_MAPWRAPPER_H
+
+#include <unordered_map>
+#include <mutex>
+#include <shared_mutex>
+#include <thread>
+#include <string>
+#include <iostream>
+
+class mapWrapper {
+public:
+    void *find(char *key) {
+        std::shared_lock<std::shared_timed_mutex> read(fence);
+        auto entry = keyMap.find(key);
+        if (entry == keyMap.end()) {
+            return nullptr;
+        }
+        return entry->second;
+    }
+
+    void setkey(char *key, void *val) {
+        std::unique_lock<std::shared_timed_mutex> write(fence);
+        keyMap[key] = val;
+    }
+
+    void *erase(char *key) {
+        std::unique_lock<std::shared_timed_mutex> write(fence);
+        return (void *)keyMap.erase(key);
+    }
+
+    void clear() {
+        std::unique_lock<std::shared_timed_mutex> write(fence);
+        keyMap.clear();
+    }
+
+    void getKeys(std::vector<char *> &v) {
+        std::shared_lock<std::shared_timed_mutex> read(fence);
+        for (auto const &e : keyMap) {
+            v.emplace_back((char *)e.first.c_str());
+        }
+    }
+
+private:
+    std::unordered_map<std::string, void *> keyMap;
+    std::shared_timed_mutex fence;
+
+};
+#endif //E2_MAPWRAPPER_H