Chet Haase | b90c51a | 2011-01-10 14:10:36 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #ifndef ANDROID_FUNCTOR_H |
| 18 | #define ANDROID_FUNCTOR_H |
| 19 | |
| 20 | #include <utils/Errors.h> |
| 21 | |
| 22 | namespace android { |
| 23 | |
Steven Moreland | b8f152d | 2017-12-18 16:14:13 -0800 | [diff] [blame^] | 24 | // DO NOT USE: please use |
| 25 | // - C++ lambda |
| 26 | // - class with well-defined and specific functionality and semantics |
| 27 | |
Chet Haase | b90c51a | 2011-01-10 14:10:36 -0800 | [diff] [blame] | 28 | class Functor { |
| 29 | public: |
| 30 | Functor() {} |
| 31 | virtual ~Functor() {} |
Mark Salyzyn | 4887842 | 2014-05-22 16:08:52 -0700 | [diff] [blame] | 32 | virtual status_t operator ()(int /*what*/, void* /*data*/) { return NO_ERROR; } |
Chet Haase | b90c51a | 2011-01-10 14:10:36 -0800 | [diff] [blame] | 33 | }; |
| 34 | |
| 35 | }; // namespace android |
| 36 | |
| 37 | #endif // ANDROID_FUNCTOR_H |