| #pragma once |
| |
| #ifndef GEODE_GFCPP_HASHFUNCTION_H_ |
| #define GEODE_GFCPP_HASHFUNCTION_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 "gfcpp_globals.hpp" |
| #include "SharedPtr.hpp" |
| #include "CacheableKey.hpp" |
| |
| /** @file |
| */ |
| |
| namespace apache { |
| namespace geode { |
| namespace client { |
| |
| /** typedef for the hash function used by the hashing schemes. */ |
| typedef int32_t (*Hasher)(const SharedBasePtr&); |
| |
| /** typedef for the hashing key equality function. */ |
| typedef bool (*EqualTo)(const SharedBasePtr&, const SharedBasePtr&); |
| |
| class HashSB { |
| private: |
| Hasher m_hashFn; |
| |
| // Never defined. |
| HashSB(); |
| |
| public: |
| HashSB(const Hasher hashFn) : m_hashFn(hashFn) {} |
| |
| int32_t operator()(const SharedBasePtr& p) const { return m_hashFn(p); } |
| }; |
| |
| class EqualToSB { |
| private: |
| EqualTo m_equalFn; |
| |
| // Never defined. |
| EqualToSB(); |
| |
| public: |
| EqualToSB(const EqualTo equalFn) : m_equalFn(equalFn) {} |
| |
| bool operator()(const SharedBasePtr& x, const SharedBasePtr& y) const { |
| return m_equalFn(x, y); |
| } |
| }; |
| |
| template <typename TKEY> |
| inline int32_t hashFunction(const TKEY& k) { |
| return k->hashcode(); |
| } |
| |
| template <typename TKEY> |
| inline bool equalToFunction(const TKEY& x, const TKEY& y) { |
| return (*x.ptr() == *y.ptr()); |
| } |
| } // namespace client |
| } // namespace geode |
| } // namespace apache |
| |
| #endif // GEODE_GFCPP_HASHFUNCTION_H_ |