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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.
//
// Various utilities for dealing with invalidation data types.
#ifndef COMPONENTS_INVALIDATION_INVALIDATION_UTIL_H_
#define COMPONENTS_INVALIDATION_INVALIDATION_UTIL_H_
#include <map>
#include <set>
#include <string>
#include "base/memory/scoped_ptr.h"
#include "components/invalidation/invalidation_export.h"
namespace base {
class DictionaryValue;
} // namespace
namespace invalidation {
class Invalidation;
class ObjectId;
} // namespace invalidation
namespace syncer {
class Invalidation;
struct INVALIDATION_EXPORT ObjectIdLessThan {
bool operator()(const invalidation::ObjectId& lhs,
const invalidation::ObjectId& rhs) const;
};
struct INVALIDATION_EXPORT InvalidationVersionLessThan {
bool operator()(const syncer::Invalidation& a,
const syncer::Invalidation& b) const;
};
typedef std::set<invalidation::ObjectId, ObjectIdLessThan> ObjectIdSet;
typedef std::map<invalidation::ObjectId, int, ObjectIdLessThan>
ObjectIdCountMap;
// Caller owns the returned DictionaryValue.
scoped_ptr<base::DictionaryValue> ObjectIdToValue(
const invalidation::ObjectId& object_id);
bool ObjectIdFromValue(const base::DictionaryValue& value,
invalidation::ObjectId* out);
INVALIDATION_EXPORT std::string ObjectIdToString(
const invalidation::ObjectId& object_id);
} // namespace syncer
#endif // COMPONENTS_INVALIDATION_INVALIDATION_UTIL_H_
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