diff options
author | Damjan Marion <damarion@cisco.com> | 2018-04-25 19:11:15 +0200 |
---|---|---|
committer | Neale Ranns <nranns@cisco.com> | 2018-04-27 11:35:07 +0000 |
commit | 164e5f8c63652028ecb9c3570e1ea8618b163071 (patch) | |
tree | 7423f5abbc61b761df9a679c7974f17613736020 /src/vpp-api/vom/singular_db.hpp | |
parent | aa682a39b76ee043f65313f23e134bf18fe7a47e (diff) |
Move VOM to extras/vom
Change-Id: Iea174f03dfba3bd06024db0f0cc373532300dcae
Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/vpp-api/vom/singular_db.hpp')
-rw-r--r-- | src/vpp-api/vom/singular_db.hpp | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/src/vpp-api/vom/singular_db.hpp b/src/vpp-api/vom/singular_db.hpp deleted file mode 100644 index afca9a3509e..00000000000 --- a/src/vpp-api/vom/singular_db.hpp +++ /dev/null @@ -1,148 +0,0 @@ -/* - * Copyright (c) 2017 Cisco and/or its affiliates. - * 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. - */ - -#ifndef __VOM_INST_DB_H__ -#define __VOM_INST_DB_H__ - -#include <map> -#include <memory> -#include <ostream> - -#include "vom/logger.hpp" - -namespace VOM { -/** - * A Database to store the unique 'singular' instances of a single object - * type. - * The instances are stored as weak pointers. So the DB does not own these - * objects, they are owned by object in the client_db. - */ -template <typename KEY, typename OBJ> -class singular_db -{ -public: - /** - * Constructor - */ - singular_db() {} - - /** - * Iterator - */ - typedef - typename std::map<KEY, std::weak_ptr<OBJ>>::const_iterator const_iterator; - - /** - * Get iterator to the beginning of the DB - */ - const_iterator begin() const { return m_map.cbegin(); } - - /** - * Get iterator to the beginning of the DB - */ - const_iterator end() const { return m_map.cend(); } - - /** - * Find or add the object to the store. - * The object passed is deisred state. A new instance will be copy - * constructed from it. This function is templatised on the object type - * passed, which may be drrived from, the object type stored. this - * prevents slicing during the make_shared construction. - */ - template <typename DERIVED> - std::shared_ptr<OBJ> find_or_add(const KEY& key, const DERIVED& obj) - { - auto search = m_map.find(key); - - if (search == m_map.end()) { - std::shared_ptr<OBJ> sp = std::make_shared<DERIVED>(obj); - - m_map[key] = sp; - - VOM_LOG(log_level_t::DEBUG) << *sp; - return (sp); - } - - return (search->second.lock()); - } - - /** - * Find the object to the store. - */ - std::shared_ptr<OBJ> find(const KEY& key) - { - auto search = m_map.find(key); - - if (search == m_map.end()) { - std::shared_ptr<OBJ> sp(NULL); - - return (sp); - } - - return (search->second.lock()); - } - - /** - * Release the object from the DB store, if it's the one we have stored - */ - void release(const KEY& key, const OBJ* obj) - { - auto search = m_map.find(key); - - if (search != m_map.end()) { - if (search->second.expired()) { - m_map.erase(key); - } else { - std::shared_ptr<OBJ> sp = m_map[key].lock(); - - if (sp.get() == obj) { - m_map.erase(key); - } - } - } - } - - /** - * Find the object to the store. - */ - void add(const KEY& key, std::shared_ptr<OBJ> sp) { m_map[key] = sp; } - - /** - * Populate VPP from current state, on VPP restart - */ - void replay() - { - for (auto entry : m_map) { - entry.second.lock()->replay(); - } - } - -private: - /** - * the map of objects against their key - */ - std::map<const KEY, std::weak_ptr<OBJ>> m_map; -}; -}; - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "mozilla") - * End: - */ - -#endif |