|  | /* | 
|  | * Copyright (C) 2011 The Android Open Source Project | 
|  | * | 
|  | * Licensed 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 ANDROID_FUNCTOR_H | 
|  | #define ANDROID_FUNCTOR_H | 
|  |  | 
|  | #include <utils/Errors.h> | 
|  |  | 
|  | namespace  android { | 
|  |  | 
|  | class Functor { | 
|  | public: | 
|  | Functor() {} | 
|  | virtual ~Functor() {} | 
|  | virtual status_t operator ()(int what, void* data) { return NO_ERROR; } | 
|  | }; | 
|  |  | 
|  | }; // namespace android | 
|  |  | 
|  | #endif // ANDROID_FUNCTOR_H |