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Unified Diff: components/sync/api/sync_change_processor.h

Issue 2401223002: [Sync] Renaming sync/api* to sync/model*. (Closed)
Patch Set: Missed a comment in a DEPS file, and rebasing. Created 4 years, 2 months ago
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Index: components/sync/api/sync_change_processor.h
diff --git a/components/sync/api/sync_change_processor.h b/components/sync/api/sync_change_processor.h
deleted file mode 100644
index 7d53c8e293b284783283581fd721092e6474be8e..0000000000000000000000000000000000000000
--- a/components/sync/api/sync_change_processor.h
+++ /dev/null
@@ -1,89 +0,0 @@
-// Copyright 2012 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_SYNC_API_SYNC_CHANGE_PROCESSOR_H_
-#define COMPONENTS_SYNC_API_SYNC_CHANGE_PROCESSOR_H_
-
-#include <string>
-#include <vector>
-
-#include "components/sync/api/sync_data.h"
-#include "components/sync/api/sync_error.h"
-#include "components/sync/base/model_type.h"
-
-namespace tracked_objects {
-class Location;
-} // namespace tracked_objects
-
-namespace syncer {
-
-class SyncChange;
-
-class LocalChangeObserver;
-
-typedef std::vector<SyncChange> SyncChangeList;
-
-// An interface for services that handle receiving SyncChanges.
-class SyncChangeProcessor {
- public:
- // Whether a context change should force a datatype refresh or not.
- enum ContextRefreshStatus { NO_REFRESH, REFRESH_NEEDED };
- typedef base::Callback<void(const SyncData&)> GetSyncDataCallback;
-
- SyncChangeProcessor();
- virtual ~SyncChangeProcessor();
-
- // Process a list of SyncChanges.
- // Returns: A default SyncError (IsSet() == false) if no errors were
- // encountered, and a filled SyncError (IsSet() == true)
- // otherwise.
- // Inputs:
- // |from_here|: allows tracking of where sync changes originate.
- // |change_list|: is the list of sync changes in need of processing.
- virtual SyncError ProcessSyncChanges(
- const tracked_objects::Location& from_here,
- const SyncChangeList& change_list) = 0;
-
- // Fills a list of SyncData. This should create an up to date representation
- // of all the data known to the ChangeProcessor for |datatype|, and
- // should match/be a subset of the server's view of that datatype.
- //
- // WARNING: This can be a potentially slow & memory intensive operation and
- // should only be used when absolutely necessary / sparingly.
- virtual SyncDataList GetAllSyncData(ModelType type) const = 0;
-
- // Retrieves the SyncData identified by |type| and |sync_tag| and invokes
- // |callback| asynchronously. If no such SyncData exists locally, IsValid on
- // the SyncData passed to |callback| will return false.
- //
- // This is an asynchronous local operation that may result in disk IO.
- //
- // Refer to sync_data.h for a description of |sync_tag|.
- //
- // TODO(maniscalco): N.B. this method should really be pure virtual. An
- // implentation is provided here just to verify that everything compiles.
- // Update this method to be pure virtual (bug 353300).
- virtual void GetSyncData(const ModelType& type,
- const std::string& sync_tag,
- const GetSyncDataCallback& callback) const {}
-
- // Updates the context for |type|, triggering an optional context refresh.
- // Default implementation does nothing. A type's context is a per-client blob
- // that can affect all SyncData sent to/from the server, much like a cookie.
- // TODO(zea): consider pulling the refresh logic into a separate method
- // unrelated to datatype implementations.
- virtual SyncError UpdateDataTypeContext(ModelType type,
- ContextRefreshStatus refresh_status,
- const std::string& context);
-
- // Adds an observer of local sync changes. This observer is notified when
- // local sync changes are applied by GenericChangeProcessor. observer is
- // not owned by the SyncChangeProcessor.
- virtual void AddLocalChangeObserver(LocalChangeObserver* observer);
- virtual void RemoveLocalChangeObserver(LocalChangeObserver* observer);
-};
-
-} // namespace syncer
-
-#endif // COMPONENTS_SYNC_API_SYNC_CHANGE_PROCESSOR_H_
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