| 306 | class JobQueue { |
| 307 | public: |
| 308 | class Job { |
| 309 | public: |
| 310 | Job() : data_{}, valid_(false) {} |
| 311 | explicit Job(T data) : data_(std::move(data)), valid_(true) {} |
| 312 | |
| 313 | // Check whether the data is valid. |
| 314 | bool IsValid() const { return valid_; } |
| 315 | |
| 316 | // Get reference to the data. |
| 317 | T& Data() { return data_; } |
| 318 | const T& Data() const { return data_; } |
| 319 | |
| 320 | private: |
| 321 | T data_; |
| 322 | bool valid_; |
| 323 | }; |
| 324 | |
| 325 | JobQueue(); |
| 326 | explicit JobQueue(size_t max_num_jobs); |