containers_cpp: implement blocking map

containers_cpp/include/embb/containers/blocking_map.h

+/*
+* Copyright (c) 2014-2016, Siemens AG. All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*
+* 1. Redistributions of source code must retain the above copyright notice,
+* this list of conditions and the following disclaimer.
+*
+* 2. Redistributions in binary form must reproduce the above copyright notice,
+* this list of conditions and the following disclaimer in the documentation
+* and/or other materials provided with the distribution.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+* SUBSTITUTE GOODS OR 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.
+*/
+
+#ifndef EMBB_CONTAINERS_BLOCKING_MAP_H_
+#define EMBB_CONTAINERS_BLOCKING_MAP_H_
+
+#include <embb/base/base.h>
+#include <map>
+
+namespace embb {
+namespace containers {
+
+template< typename Key, typename Value>
+class BlockingMap {
+  typedef embb::base::Mutex Mutex;
+  typedef embb::base::LockGuard<> LockGuard;
+
+ private:
+   std::map<Key, Value> internalMap;
+
+   Mutex mutex;
+
+ public:
+   BlockingMap();
+
+   bool Insert(const Key& key, const Value& value);
+
+   bool Erase(const Key& key);
+
+   bool Contains(const Key& key);
+
+   Value& operator[](const Key& key);
+
+};
+
+}
+}
+
+#include <embb/containers/internal/blocking_map-inl.h>
+
+#endif EMBB_CONTAINERS_BLOCKING_MAP_H_
+

containers_cpp/include/embb/containers/internal/blocking_map-inl.h

+/*
+* Copyright (c) 2014-2016, Siemens AG. All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*
+* 1. Redistributions of source code must retain the above copyright notice,
+* this list of conditions and the following disclaimer.
+*
+* 2. Redistributions in binary form must reproduce the above copyright notice,
+* this list of conditions and the following disclaimer in the documentation
+* and/or other materials provided with the distribution.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+* SUBSTITUTE GOODS OR 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.
+*/
+
+#ifndef EMBB_CONTAINERS_INTERNAL_BLOCKING_MAP_INL_H_
+#define EMBB_CONTAINERS_INTERNAL_BLOCKING_SET_INL_H_
+
+
+namespace embb {
+namespace containers {
+
+template<typename K, typename V>
+BlockingMap<K, V>::BlockingMap() :
+  internalMap() {}
+
+
+template<typename K, typename V>
+bool BlockingMap<K, V>::Insert(const K& key, const V& value) {
+  LockGuard lock(mutex);
+  return internalMap.insert(std::map<K, V>::value_type(key, value)).second;
+}
+
+template<typename K, typename V>
+bool BlockingMap<K, V>::Erase(const K& key) {
+  LockGuard lock(mutex);
+  return internalMap.erase(key) > 0;
+}
+
+template<typename K, typename V>
+bool BlockingMap<K, V>::Contains(const K& key) {
+  LockGuard lock(mutex);
+  return internalMap.count(key) > 0;
+}
+
+template<typename K, typename V>
+V& BlockingMap<K, V>::operator[](const K& key) {
+  LockGuard lock(mutex);
+  return internalMap[key];
+}
+
+
+}
+}
+
+#endif // EMBB_CONTAINERS_INTERNAL_BLOCKING_MAP_INL_H_
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