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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_INVALIDATION_OBJECT_ID_INVALIDATION_MAP_H_
#define COMPONENTS_INVALIDATION_OBJECT_ID_INVALIDATION_MAP_H_
#include <map>
#include <vector>
#include "components/invalidation/invalidation.h"
#include "components/invalidation/invalidation_export.h"
#include "components/invalidation/invalidation_util.h"
#include "components/invalidation/single_object_invalidation_set.h"
namespace syncer {
// A set of notifications with some helper methods to organize them by object ID
// and version number.
class INVALIDATION_EXPORT ObjectIdInvalidationMap {
public:
// Creates an invalidation map that includes an 'unknown version'
// invalidation for each specified ID in |ids|.
static ObjectIdInvalidationMap InvalidateAll(const ObjectIdSet& ids);
ObjectIdInvalidationMap();
~ObjectIdInvalidationMap();
// Returns set of ObjectIds for which at least one invalidation is present.
ObjectIdSet GetObjectIds() const;
// Returns true if this map contains no invalidations.
bool Empty() const;
// Returns true if both maps contain the same set of invalidations.
bool operator==(const ObjectIdInvalidationMap& other) const;
// Inserts a new invalidation into this map.
void Insert(const Invalidation& invalidation);
// Returns a new map containing the subset of invaliations from this map
// whose IDs were in the specified |ids| set.
ObjectIdInvalidationMap GetSubsetWithObjectIds(const ObjectIdSet& ids) const;
// Returns the subset of invalidations with IDs matching |id|.
const SingleObjectInvalidationSet& ForObject(
invalidation::ObjectId id) const;
// Returns the contents of this map in a single vector.
void GetAllInvalidations(std::vector<syncer::Invalidation>* out) const;
// Call Acknowledge() on all contained Invalidations.
void AcknowledgeAll() const;
// Serialize this map to a value.
scoped_ptr<base::ListValue> ToValue() const;
// Deserialize the value into a map and use it to re-initialize this object.
bool ResetFromValue(const base::ListValue& value);
// Prints the contentes of this map as a human-readable string.
std::string ToString() const;
private:
typedef std::map<invalidation::ObjectId,
SingleObjectInvalidationSet,
ObjectIdLessThan> IdToListMap;
ObjectIdInvalidationMap(const IdToListMap& map);
IdToListMap map_;
};
} // namespace syncer
#endif // COMPONENTS_INVALIDATION_OBJECT_ID_INVALIDATION_MAP_H_
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