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       specifics_(specifics),
  49       creation_time_(creation_time),
  50       last_modified_time_(last_modified_time) { }
  51
  52 UniqueClientEntity::~UniqueClientEntity() { }
  53
  54 // static
  55 FakeServerEntity* UniqueClientEntity::Create(
  56     const sync_pb::SyncEntity& client_entity) {
  57   CHECK(client_entity.has_client_defined_unique_tag())
  58       << "A UniqueClientEntity must have a client-defined unique tag.";
  59   ModelType model_type =
  60       syncer::GetModelTypeFromSpecifics(client_entity.specifics());
  61   string id = EffectiveIdForClientTaggedEntity(client_entity);
  62   return new UniqueClientEntity(id,
  63                                 model_type,
  64                                 client_entity.version(),
  65                                 client_entity.name(),
  66                                 client_entity.client_defined_unique_tag(),
  67                                 client_entity.specifics(),
  68                                 client_entity.ctime(),
  69                                 client_entity.mtime());
  70 }
  71
  72 // static
  73 scoped_ptr<FakeServerEntity> UniqueClientEntity::CreateForInjection(
  74     const string& name,
  75     const sync_pb::EntitySpecifics& entity_specifics) {
  76   ModelType model_type = GetModelTypeFromSpecifics(entity_specifics);
  77   string client_defined_unique_tag = GenerateSyncableHash(model_type, name);
  78   string id = FakeServerEntity::CreateId(model_type, client_defined_unique_tag);
  79   return scoped_ptr<FakeServerEntity>(
  80       new UniqueClientEntity(id,
  81                              model_type,
  82                              kUnusedVersion,
  83                              name,
  84                              client_defined_unique_tag,
  85                              entity_specifics,
  86                              kDefaultTime,
  87                              kDefaultTime));
  88 }
  89
  90 // static
  91 std::string UniqueClientEntity::EffectiveIdForClientTaggedEntity(
  92     const sync_pb::SyncEntity& entity) {
  93   return FakeServerEntity::CreateId(
  94       syncer::GetModelTypeFromSpecifics(entity.specifics()),
  95       entity.client_defined_unique_tag());
  96 }
  97
  98 string UniqueClientEntity::GetParentId() const {
  99   // The parent ID for this type of entity should always be its ModelType's
 100   // root node.
 101   return FakeServerEntity::GetTopLevelId(model_type_);
 102 }
 103
 104 void UniqueClientEntity::SerializeAsProto(sync_pb::SyncEntity* proto) {
 105   FakeServerEntity::SerializeBaseProtoFields(proto);
 106
 107   sync_pb::EntitySpecifics* specifics = proto->mutable_specifics();
 108   specifics->CopyFrom(specifics_);
 109
 110   proto->set_parent_id_string(GetParentId());
 111   proto->set_client_defined_unique_tag(client_defined_unique_tag_);
 112   proto->set_ctime(creation_time_);
 113   proto->set_mtime(last_modified_time_);
 114 }
 115
 116 bool UniqueClientEntity::IsDeleted() const {
 117   return false;
 118 }
 119
 120 bool UniqueClientEntity::IsFolder() const {
 121   return false;
 122 }
 123
 124 }  // namespace fake_server