| /* |
| * 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 _IGNITE_IMPL_IGNITE_BINDING_IMPL |
| #define _IGNITE_IMPL_IGNITE_BINDING_IMPL |
| |
| #include <stdint.h> |
| #include <map> |
| |
| #include <ignite/common/common.h> |
| |
| #include <ignite/impl/binary/binary_reader_impl.h> |
| #include <ignite/impl/binary/binary_writer_impl.h> |
| |
| namespace ignite |
| { |
| namespace impl |
| { |
| /* Forward declaration. */ |
| class IgniteEnvironment; |
| |
| /** |
| * Ignite binding implementation. |
| * |
| * Used to register and invoke callbacks. |
| */ |
| class IgniteBindingImpl |
| { |
| typedef int64_t(Callback)(binary::BinaryReaderImpl&, binary::BinaryWriterImpl&, IgniteEnvironment&); |
| |
| public: |
| struct CallbackType |
| { |
| enum Type |
| { |
| CACHE_ENTRY_PROCESSOR_APPLY = 1, |
| |
| CACHE_ENTRY_FILTER_CREATE = 2, |
| |
| CACHE_ENTRY_FILTER_APPLY = 3, |
| |
| COMPUTE_JOB_CREATE = 4 |
| }; |
| }; |
| |
| /** |
| * Constructor. |
| * |
| * @param env Environment. |
| */ |
| IgniteBindingImpl(IgniteEnvironment &env); |
| |
| /** |
| * Invoke callback using provided ID. |
| * |
| * Deserializes data and callback itself, invokes callback and |
| * serializes processing result using providede reader and writer. |
| * |
| * @param type Callback Type. |
| * @param id Callback ID. |
| * @param reader Reader. |
| * @param writer Writer. |
| * @param found Output param. True if callback was found and false otherwise. |
| * @return Callback return value. |
| */ |
| IGNITE_IMPORT_EXPORT int64_t InvokeCallback(bool& found, int32_t type, int32_t id, binary::BinaryReaderImpl& reader, |
| binary::BinaryWriterImpl& writer); |
| |
| /** |
| * Register cache entry processor and associate it with provided ID. |
| * |
| * @throw IgniteError another processor is already associated with |
| * the given ID. |
| * |
| * @param type Callback type. |
| * @param id Callback identifier. |
| * @param callback Callback. |
| * @param err Error. |
| */ |
| IGNITE_IMPORT_EXPORT void RegisterCallback(int32_t type, int32_t id, Callback* callback, IgniteError& err); |
| |
| /** |
| * Register cache entry processor and associate it with provided ID. |
| * |
| * @throw IgniteError another processor is already associated with |
| * the given ID. |
| * |
| * @param type Callback type. |
| * @param id Callback identifier. |
| * @param callback Callback. |
| */ |
| IGNITE_IMPORT_EXPORT void RegisterCallback(int32_t type, int32_t id, Callback* callback); |
| |
| private: |
| IGNITE_NO_COPY_ASSIGNMENT(IgniteBindingImpl); |
| |
| /** |
| * Make key out of callback's type and ID. |
| * |
| * @param type Callback Type. |
| * @param id Callback ID. |
| * @return Key for callback. |
| */ |
| int64_t makeKey(int32_t type, int32_t id) |
| { |
| return ((static_cast<int64_t>(type) & 0xFFFFFFFF) << 32) | |
| ((static_cast<int64_t>(id) & 0xFFFFFFFF)); |
| } |
| |
| /** Ignite environment. */ |
| IgniteEnvironment& env; |
| |
| /** Registered callbacks. */ |
| std::map<int64_t, Callback*> callbacks; |
| |
| /** Callback lock. */ |
| common::concurrent::CriticalSection lock; |
| }; |
| } |
| } |
| |
| #endif //_IGNITE_IMPL_IGNITE_BINDING_IMPL |