| #pragma once |
| |
| #ifndef GEODE_GFCPP_SHAREDPTRHELPER_H_ |
| #define GEODE_GFCPP_SHAREDPTRHELPER_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 "TypeHelper.hpp" |
| #include <typeinfo> |
| |
| namespace apache { |
| namespace geode { |
| namespace client { |
| |
| class SharedBase; |
| |
| /** Helper class for SharedPtr exceptions |
| */ |
| class CPPCACHE_EXPORT SPEHelper { |
| public: |
| static void throwNullPointerException(const char* ename); |
| |
| static void throwClassCastException(const char* msg, const char* fromType, |
| const char* toType); |
| }; |
| |
| /* Helper function template for type conversion. |
| */ |
| template <class Target, class Src> |
| Target* getTargetHelper(Src* ptr, |
| apache::geode::client::TypeHelper::yes_type yes) { |
| return ptr; |
| } |
| |
| /* Helper function template for type conversion. |
| */ |
| template <class Target, class Src> |
| Target* getTargetHelper(Src* ptr, |
| apache::geode::client::TypeHelper::no_type no) { |
| Target* tptr = dynamic_cast<Target*>(ptr); |
| if (tptr) { |
| return tptr; |
| } else { |
| SPEHelper::throwClassCastException("getTargetHelper: cast failed", |
| typeid(ptr).name(), typeid(tptr).name()); |
| return NULL; |
| } |
| } |
| |
| /* Helper function template for type conversion. |
| */ |
| template <class Target, class Src> |
| Target* getTarget(Src* ptr) { |
| return getTargetHelper<Target>(ptr, GF_SRC_IS_TARGET_TYPE(Target, Src)); |
| } |
| |
| /* Helper function template for type conversion. |
| */ |
| template <class Src> |
| SharedBase* getSB(Src* ptr) { |
| return getTarget<SharedBase>(ptr); |
| } |
| } // namespace client |
| } // namespace geode |
| } // namespace apache |
| |
| #endif // GEODE_GFCPP_SHAREDPTRHELPER_H_ |