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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 syntax = "proto2"; | 5 syntax = "proto2"; |
6 | 6 |
7 option optimize_for = LITE_RUNTIME; | 7 option optimize_for = LITE_RUNTIME; |
8 option retain_unknown_fields = true; | |
9 | 8 |
10 package sync_pb; | 9 package sync_pb; |
11 | 10 |
12 // Sync proto to store entity metadata in model type storage. | 11 // Sync proto to store entity metadata in model type storage. |
13 message EntityMetadata { | 12 message EntityMetadata { |
14 // A hash based on the client tag and model type. | 13 // A hash based on the client tag and model type. |
15 // Used for various map lookups. Should always be available. | 14 // Used for various map lookups. Should always be available. |
16 // Sent to the server as SyncEntity::client_defined_unique_tag. | 15 // Sent to the server as SyncEntity::client_defined_unique_tag. |
17 optional string client_tag_hash = 1; | 16 optional string client_tag_hash = 1; |
18 | 17 |
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52 // entity's specifics value has changed without having to keep specifics in | 51 // entity's specifics value has changed without having to keep specifics in |
53 // memory. | 52 // memory. |
54 optional string specifics_hash = 9; | 53 optional string specifics_hash = 9; |
55 | 54 |
56 // A hash of the last specifics known by both the client and server. Used to | 55 // A hash of the last specifics known by both the client and server. Used to |
57 // detect when local commits and remote updates are just for encryption. This | 56 // detect when local commits and remote updates are just for encryption. This |
58 // value will be the empty string only in the following cases: the entity is | 57 // value will be the empty string only in the following cases: the entity is |
59 // in sync with the server, has never been synced, or is deleted. | 58 // in sync with the server, has never been synced, or is deleted. |
60 optional string base_specifics_hash = 10; | 59 optional string base_specifics_hash = 10; |
61 } | 60 } |
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