| /* $Id$ |
| * |
| * 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. |
| */ |
| |
| #ifndef __ETCHHASHTABLE_H__ |
| #define __ETCHHASHTABLE_H__ |
| |
| #include "common/EtchObjectHash.h" |
| #include "common/EtchComparator.h" |
| #include "capu/container/HashTable.h" |
| |
| template <class Key, class T, class H = EtchObjectHash, class C = EtchComparator<Key> > |
| class EtchHashTable : public EtchObject { |
| private: |
| capu::HashTable<Key, T, C, H> mHashTable; |
| |
| public: |
| typedef typename capu::Pair<Key, T> Pair; |
| typedef typename capu::HashTable<Key, T, C, H >::Iterator Iterator; |
| |
| /** |
| * EtchObjectType for EtchHashTable. |
| */ |
| static const EtchObjectType* TYPE(); |
| |
| /** |
| * Constructs EtchHashTable. |
| */ |
| inline EtchHashTable(); |
| |
| /** |
| * Constructs EtchHashTable. |
| */ |
| inline EtchHashTable(capu::uint32_t size); |
| |
| /** |
| * Copy Constructor |
| */ |
| inline EtchHashTable(const EtchHashTable& other); |
| |
| /** |
| * Destructure. |
| */ |
| inline virtual ~EtchHashTable(); |
| |
| /** |
| * put a new value to the EtchHashTable. |
| * @param key Key value |
| * @param value new value that will be put to hash table |
| * @param value_old buffer which will be used to store value of old element |
| * |
| * @return ETCH_OK if remove is successful |
| * ETCH_EINVAL if value_old is null |
| * |
| */ |
| inline status_t put(const Key &key, T value, T* value_old = NULL); |
| |
| /** |
| * Get value associated with key in the EtchHashTable. |
| * @param key Key |
| * @param value buffer which will be used to return the found element |
| * |
| * @return ETCH_OK if get is successful performed |
| * ETCH_EINVAL if value is null |
| * ETCH_ENOT_EXIST if there is no existing pair with specified key |
| * |
| */ |
| inline status_t get(const Key &key, T* value); |
| |
| /** |
| * Remove value associated with key in the EtchHashTable. |
| * |
| * @param key Key value |
| * @param value_old buffer which will be used to store value of removed element |
| * |
| * @return ETCH_OK if remove is successful |
| * ETCH_EINVAL if value_old is null |
| * ETCH_ERANGE if the pair with specified key does not exist in hash table |
| * |
| */ |
| inline status_t remove(const Key &key, T* value_old); |
| |
| /** |
| * Returns count of the EtchHashTable. |
| * @return number of element in hash table |
| */ |
| inline capu::uint32_t count(); |
| |
| /** |
| * Clear all key and values of the EtchHashTable. |
| * |
| * @return ETCH_OK if all elements in list have been deleted |
| */ |
| inline status_t clear(); |
| |
| /** |
| * Return iterator for iterating key value tuples. |
| * @return Iterator |
| */ |
| inline Iterator begin() const; |
| |
| }; |
| |
| template <class Key, class T, class H, class C> |
| const EtchObjectType* EtchHashTable<Key, T, H, C>::TYPE() { |
| const static EtchObjectType TYPE(EOTID_HASHTABLE, NULL); |
| return &TYPE; |
| } |
| |
| template <class Key, class T, class H, class C> |
| inline EtchHashTable<Key, T, H, C>::EtchHashTable() |
| : mHashTable(ETCH_DEFAULT_HASH_TABLE_SIZE) { |
| addObjectType(EtchHashTable<Key, T, H, C>::TYPE()); |
| } |
| |
| template <class Key, class T, class H, class C> |
| inline EtchHashTable<Key, T, H, C>::EtchHashTable(capu::uint32_t size) |
| : mHashTable(size) { |
| addObjectType(EtchHashTable<Key, T, H, C>::TYPE()); |
| } |
| |
| template <class Key, class T, class H, class C> |
| inline EtchHashTable<Key, T, H, C>::EtchHashTable(const EtchHashTable& other) |
| : EtchObject(other), mHashTable(other.mHashTable) { |
| } |
| |
| template <class Key, class T, class H, class C> |
| inline EtchHashTable<Key, T, H, C>::~EtchHashTable() { |
| |
| } |
| |
| template <class Key, class T, class H, class C> |
| inline status_t EtchHashTable<Key, T, H, C>::put(const Key &key, T value, T* value_old) { |
| return mHashTable.put(key, value, value_old); |
| } |
| |
| template <class Key, class T, class H, class C> |
| inline status_t EtchHashTable<Key, T, H, C>::get(const Key &key, T* value) { |
| return mHashTable.get(key, value); |
| } |
| |
| template <class Key, class T, class H, class C> |
| inline status_t EtchHashTable<Key, T, H, C>::remove(const Key &key, T* value_old) { |
| return mHashTable.remove(key, value_old); |
| } |
| |
| template <class Key, class T, class H, class C> |
| inline capu::uint32_t EtchHashTable<Key, T, H, C>::count() { |
| return mHashTable.count(); |
| } |
| |
| template <class Key, class T, class H, class C> |
| inline status_t EtchHashTable<Key, T, H, C>::clear() { |
| return mHashTable.clear(); |
| } |
| |
| template <class Key, class T, class H, class C> |
| inline typename EtchHashTable<Key, T, H, C>::Iterator EtchHashTable<Key, T, H, C>::begin() const { |
| return mHashTable.begin(); |
| } |
| |
| typedef capu::SmartPointer<EtchHashTable<EtchObjectPtr, EtchObjectPtr> > EtchHashTablePtr; |
| |
| #endif |