| /* |
| * 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 PAGESPEED_CONTROLLER_SCHEDULE_REWRITE_CALLBACK_H_ |
| #define PAGESPEED_CONTROLLER_SCHEDULE_REWRITE_CALLBACK_H_ |
| |
| #include "pagespeed/controller/central_controller_callback.h" |
| #include "pagespeed/kernel/base/basictypes.h" |
| #include "pagespeed/kernel/base/scoped_ptr.h" |
| #include "pagespeed/kernel/base/string.h" |
| #include "pagespeed/kernel/thread/sequence.h" |
| |
| // Callback classes to support rewrite scheduling in CentralController. |
| |
| namespace net_instaweb { |
| |
| // Passed to RunImpl for implementations of ScheduleRewriteCallback. |
| class ScheduleRewriteContext { |
| public: |
| virtual ~ScheduleRewriteContext(); |
| |
| // Mark the rewrite operation as complete. MarkSucceeded will be |
| // automatically invoked at destruction if neither is explicitly called. |
| virtual void MarkSucceeded() = 0; |
| virtual void MarkFailed() = 0; |
| |
| protected: |
| ScheduleRewriteContext(); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(ScheduleRewriteContext); |
| }; |
| |
| // Implementor interface to rewrite scheduling features in CentralController. |
| class ScheduleRewriteCallback |
| : public CentralControllerCallback<ScheduleRewriteContext> { |
| public: |
| explicit ScheduleRewriteCallback(const GoogleString& key, Sequence* sequence); |
| ~ScheduleRewriteCallback() override; |
| |
| const GoogleString& key() { return key_; } |
| |
| private: |
| // CentralControllerCallback interface. |
| void RunImpl(std::unique_ptr<ScheduleRewriteContext>* context) override = 0; |
| void CancelImpl() override = 0; |
| |
| GoogleString key_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ScheduleRewriteCallback); |
| }; |
| |
| } // namespace net_instaweb |
| |
| #endif // PAGESPEED_CONTROLLER_SCHEDULE_REWRITE_CALLBACK_H_ |