| /** |
| * 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 ITERATOR_H_ |
| #define ITERATOR_H_ |
| |
| #include "NativeTask.h" |
| |
| namespace NativeTask { |
| |
| class KeyGroupIteratorImpl : public KeyGroupIterator { |
| protected: |
| // for KeyGroupIterator |
| KeyGroupIterState _keyGroupIterState; |
| KVIterator * _iterator; |
| string _currentGroupKey; |
| Buffer _key; |
| Buffer _value; |
| bool _first; |
| |
| public: |
| KeyGroupIteratorImpl(KVIterator * iterator); |
| bool nextKey(); |
| const char * getKey(uint32_t & len); |
| const char * nextValue(uint32_t & len); |
| |
| protected: |
| bool next(); |
| }; |
| |
| } //namespace NativeTask |
| #endif |
