sync/test/fake_server/unique_client_entity.cc

   1 // Copyright 2014 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 #include "sync/test/fake_server/unique_client_entity.h"
   6
   7 #include <string>
   8
   9 #include "base/basictypes.h"
  10 #include "base/guid.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "sync/internal_api/public/base/model_type.h"
  13 #include "sync/protocol/sync.pb.h"
  14 #include "sync/syncable/syncable_util.h"
  15 #include "sync/test/fake_server/fake_server_entity.h"
  16 #include "sync/test/fake_server/permanent_entity.h"
  17
  18 using std::string;
  19
  20 using syncer::GetModelTypeFromSpecifics;
  21 using syncer::ModelType;
  22 using syncer::syncable::GenerateSyncableHash;
  23
  24 namespace fake_server {
  25
  26 namespace {
  27
  28 // A version must be passed when creating a FakeServerEntity, but this value
  29 // is overrideen immediately when saving the entity in FakeServer.
  30 const int64 kUnusedVersion = 0L;
  31
  32 // Default time (creation and last modified) used when creating entities.
  33 const int64 kDefaultTime = 1234L;
  34
  35 }  // namespace
  36
  37 UniqueClientEntity::UniqueClientEntity(
  38     const string& id,
  39     ModelType model_type,
  40     int64 version,
  41     const string& name,
  42     const string& client_defined_unique_tag,
  43     const sync_pb::EntitySpecifics& specifics,
  44     int64 creation_time,
  45     int64 last_modified_time)
  46     : FakeServerEntity(id, model_type, version, name),
  47       client_defined_unique_tag_(client_defined_unique_tag),
  48       creation_time_(creation_time),
  49       last_modified_time_(last_modified_time) {
  50   SetSpecifics(specifics);
  51 }
  52
  53 UniqueClientEntity::~UniqueClientEntity() { }
  54
  55 // static
  56 scoped_ptr<FakeServerEntity> UniqueClientEntity::Create(
  57     const sync_pb::SyncEntity& client_entity) {
  58   CHECK(client_entity.has_client_defined_unique_tag())
  59       << "A UniqueClientEntity must have a client-defined unique tag.";
  60   ModelType model_type =
  61       syncer::GetModelTypeFromSpecifics(client_entity.specifics());
  62   string id = EffectiveIdForClientTaggedEntity(client_entity);
  63   return scoped_ptr<FakeServerEntity>(new UniqueClientEntity(
  64       id, model_type, client_entity.version(), client_entity.name(),
  65       client_entity.client_defined_unique_tag(), client_entity.specifics(),
  66       client_entity.ctime(), client_entity.mtime()));
  67 }
  68
  69 // static
  70 scoped_ptr<FakeServerEntity> UniqueClientEntity::CreateForInjection(
  71     const string& name,
  72     const sync_pb::EntitySpecifics& entity_specifics) {
  73   ModelType model_type = GetModelTypeFromSpecifics(entity_specifics);
  74   string client_defined_unique_tag = GenerateSyncableHash(model_type, name);
  75   string id = FakeServerEntity::CreateId(model_type, client_defined_unique_tag);
  76   return scoped_ptr<FakeServerEntity>(
  77       new UniqueClientEntity(id,
  78                              model_type,
  79                              kUnusedVersion,
  80                              name,
  81                              client_defined_unique_tag,
  82                              entity_specifics,
  83                              kDefaultTime,
  84                              kDefaultTime));
  85 }
  86
  87 // static
  88 std::string UniqueClientEntity::EffectiveIdForClientTaggedEntity(
  89     const sync_pb::SyncEntity& entity) {
  90   return FakeServerEntity::CreateId(
  91       syncer::GetModelTypeFromSpecifics(entity.specifics()),
  92       entity.client_defined_unique_tag());
  93 }
  94
  95 string UniqueClientEntity::GetParentId() const {
  96   // The parent ID for this type of entity should always be its ModelType's
  97   // root node.
  98   return FakeServerEntity::GetTopLevelId(GetModelType());
  99 }
 100
 101 void UniqueClientEntity::SerializeAsProto(sync_pb::SyncEntity* proto) const {
 102   FakeServerEntity::SerializeBaseProtoFields(proto);
 103
 104   proto->set_parent_id_string(GetParentId());
 105   proto->set_client_defined_unique_tag(client_defined_unique_tag_);
 106   proto->set_ctime(creation_time_);
 107   proto->set_mtime(last_modified_time_);
 108 }
 109
 110 }  // namespace fake_server