| /* |
| * Copyright 2013 Google Inc. |
| * |
| * 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. |
| */ |
| |
| // Author: pulkitg@google.com (Pulkit Goyal) |
| |
| #ifndef PAGESPEED_OPT_HTTP_ABSTRACT_PROPERTY_STORE_GET_CALLBACK_H_ |
| #define PAGESPEED_OPT_HTTP_ABSTRACT_PROPERTY_STORE_GET_CALLBACK_H_ |
| |
| #include "pagespeed/kernel/base/basictypes.h" |
| |
| namespace net_instaweb { |
| |
| // Abstract class which manages the storage system lookup. Any PropertyStore can |
| // derive from this class and objects of this class are created by |
| // PropertyStore::Get(). |
| // PropertyStores must return an implementation of this interface from Get. |
| // TODO(pulkitg): Revisit this to make this inner class of PropertyStore. |
| class AbstractPropertyStoreGetCallback { |
| public: |
| // Try to finish all the pending lookups if possible and call Done as soon as |
| // possible. |
| virtual void FastFinishLookup() = 0; |
| // Deletes this after Done has run. |
| // Callback is no more useful after this is called, so it should be called |
| // only after all required operations are done by client on this callback. |
| virtual void DeleteWhenDone() = 0; |
| |
| protected: |
| AbstractPropertyStoreGetCallback(); |
| virtual ~AbstractPropertyStoreGetCallback(); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(AbstractPropertyStoreGetCallback); |
| }; |
| |
| } // namespace net_instaweb |
| #endif // PAGESPEED_OPT_HTTP_ABSTRACT_PROPERTY_STORE_GET_CALLBACK_H_ |