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Diffstat (limited to 'cpp/src/qpid/cluster/LockedMap.h')
| -rw-r--r-- | cpp/src/qpid/cluster/LockedMap.h | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/cpp/src/qpid/cluster/LockedMap.h b/cpp/src/qpid/cluster/LockedMap.h deleted file mode 100644 index 0736e7ac35..0000000000 --- a/cpp/src/qpid/cluster/LockedMap.h +++ /dev/null @@ -1,73 +0,0 @@ -#ifndef QPID_CLUSTER_LOCKEDMAP_H -#define QPID_CLUSTER_LOCKEDMAP_H - -/* - * - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you 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. - * - */ - -#include "qpid/sys/Mutex.h" -#include <map> - -namespace qpid { -namespace cluster { - -/** - * A reader-writer locked thread safe map. - */ -template <class Key, class Value> -class LockedMap -{ - public: - /** Get value associated with key, returns Value() if none. */ - Value get(const Key& key) const { - sys::RWlock::ScopedRlock r(lock); - typename Map::const_iterator i = map.find(key); - if (i == map.end()) return Value(); - else return i->second; - } - - /** Associate value with key, overwriting any previous value for key. */ - void put(const Key& key, const Value& value) { - sys::RWlock::ScopedWlock w(lock); - map[key] = value; - } - - /** Associate value with key if there is not already a value associated with key. - * Returns true if the value was added. - */ - bool add(const Key& key, const Value& value) { - sys::RWlock::ScopedWlock w(lock); - return map.insert(key, value).second; - } - - /** Erase the value associated with key if any. Return true if a value was erased. */ - bool erase(const Key& key) { - sys::RWlock::ScopedWlock w(lock); - return map.erase(key); - } - - private: - typedef std::map<Key, Value> Map; - Map map; - mutable sys::RWlock lock; -}; -}} // namespace qpid::cluster - -#endif /*!QPID_CLUSTER_LOCKEDMAP_H*/ |
