1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef SYNC_NOTIFIER_OBJECT_ID_INVALIDATION_MAP_H_ 6 #define SYNC_NOTIFIER_OBJECT_ID_INVALIDATION_MAP_H_ 7 8 #include <map> 9 #include <vector> 10 11 #include "sync/base/sync_export.h" 12 #include "sync/internal_api/public/base/invalidation.h" 13 #include "sync/notifier/invalidation_util.h" 14 #include "sync/notifier/single_object_invalidation_set.h" 15 16 namespace syncer { 17 18 // A set of notifications with some helper methods to organize them by object ID 19 // and version number. 20 class SYNC_EXPORT ObjectIdInvalidationMap { 21 public: 22 // Creates an invalidation map that includes an 'unknown version' 23 // invalidation for each specified ID in |ids|. 24 static ObjectIdInvalidationMap InvalidateAll(const ObjectIdSet& ids); 25 26 ObjectIdInvalidationMap(); 27 ~ObjectIdInvalidationMap(); 28 29 // Returns set of ObjectIds for which at least one invalidation is present. 30 ObjectIdSet GetObjectIds() const; 31 32 // Returns true if this map contains no invalidations. 33 bool Empty() const; 34 35 // Returns true if both maps contain the same set of invalidations. 36 bool operator==(const ObjectIdInvalidationMap& other) const; 37 38 // Inserts a new invalidation into this map. 39 void Insert(const Invalidation& invalidation); 40 41 // Returns a new map containing the subset of invaliations from this map 42 // whose IDs were in the specified |ids| set. 43 ObjectIdInvalidationMap GetSubsetWithObjectIds(const ObjectIdSet& ids) const; 44 45 // Returns the subset of invalidations with IDs matching |id|. 46 const SingleObjectInvalidationSet& ForObject( 47 invalidation::ObjectId id) const; 48 49 // Returns the contents of this map in a single vector. 50 void GetAllInvalidations(std::vector<syncer::Invalidation>* out) const; 51 52 // Call Acknowledge() on all contained Invalidations. 53 void AcknowledgeAll() const; 54 55 // Serialize this map to a value. 56 scoped_ptr<base::ListValue> ToValue() const; 57 58 // Deserialize the value into a map and use it to re-initialize this object. 59 bool ResetFromValue(const base::ListValue& value); 60 61 // Prints the contentes of this map as a human-readable string. 62 std::string ToString() const; 63 64 private: 65 typedef std::map<invalidation::ObjectId, 66 SingleObjectInvalidationSet, 67 ObjectIdLessThan> IdToListMap; 68 69 ObjectIdInvalidationMap(const IdToListMap& map); 70 71 IdToListMap map_; 72 }; 73 74 } // namespace syncer 75 76 #endif // SYNC_NOTIFIER_OBJECT_ID_INVALIDATION_MAP_H_ 77