Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(597)

Unified Diff: blimp/helium/owned_register.h

Issue 2602103002: Delete blimp/helium and remove references to it from dependent targets (Closed)
Patch Set: . Created 4 years ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « blimp/helium/object_sync_state.cc ('k') | blimp/helium/owned_register_unittest.cc » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: blimp/helium/owned_register.h
diff --git a/blimp/helium/owned_register.h b/blimp/helium/owned_register.h
deleted file mode 100644
index abd9f7e79f99d5657fa64776fef6b5ce2afee727..0000000000000000000000000000000000000000
--- a/blimp/helium/owned_register.h
+++ /dev/null
@@ -1,140 +0,0 @@
-// Copyright 2016 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 BLIMP_HELIUM_OWNED_REGISTER_H_
-#define BLIMP_HELIUM_OWNED_REGISTER_H_
-
-#include <memory>
-
-#include "base/memory/ptr_util.h"
-#include "blimp/helium/blimp_helium_export.h"
-#include "blimp/helium/result.h"
-#include "blimp/helium/revision_generator.h"
-#include "blimp/helium/serializable_struct.h"
-#include "blimp/helium/stream_helpers.h"
-#include "blimp/helium/syncable.h"
-#include "blimp/helium/syncable_common.h"
-#include "blimp/helium/version_vector.h"
-#include "third_party/protobuf/src/google/protobuf/io/coded_stream.h"
-
-namespace blimp {
-namespace helium {
-
-template <class RegisterType>
-struct OwnedRegisterChangeset : public SerializableStruct {
- OwnedRegisterChangeset() : last_modified(this), value(this) {}
- ~OwnedRegisterChangeset() override = default;
-
- Field<Revision> last_modified;
- Field<RegisterType> value;
-};
-
-// A Syncable that gives write permissions only to the "owner" Peer,
-// while the other Peer only receives and applies updates.
-template <class RegisterType>
-class OwnedRegister : public Syncable<OwnedRegisterChangeset<RegisterType>> {
- public:
- using ChangesetType = OwnedRegisterChangeset<RegisterType>;
-
- OwnedRegister(Peer running_as, Peer owner);
- ~OwnedRegister() = default;
-
- void Set(const RegisterType& value);
- const RegisterType& Get() const;
-
- // Syncable implementation.
- std::unique_ptr<ChangesetType> CreateChangeset(Revision from) const override;
- void ApplyChangeset(const ChangesetType& changeset) override;
- void ReleaseBefore(Revision checkpoint) override;
- bool ValidateChangeset(const ChangesetType& changeset) const override;
- Revision GetRevision() const override;
- void SetLocalUpdateCallback(
- const base::Closure& local_update_callback) override;
-
- private:
- base::Closure local_update_callback_;
- Revision last_modified_ = 0;
- Bias bias_;
- RegisterType value_ = {};
-
- DISALLOW_COPY_AND_ASSIGN(OwnedRegister);
-};
-
-template <class RegisterType>
-OwnedRegister<RegisterType>::OwnedRegister(Peer owner, Peer running_as)
- : bias_(ComputeBias(owner, running_as)) {}
-
-template <class RegisterType>
-void OwnedRegister<RegisterType>::SetLocalUpdateCallback(
- const base::Closure& local_update_callback) {
- local_update_callback_ = local_update_callback;
-}
-
-template <class RegisterType>
-void OwnedRegister<RegisterType>::Set(const RegisterType& value) {
- DCHECK(bias_ == Bias::LOCAL);
-
- value_ = value;
- last_modified_ = GetNextRevision();
-
- local_update_callback_.Run();
-}
-
-template <class RegisterType>
-const RegisterType& OwnedRegister<RegisterType>::Get() const {
- return value_;
-}
-
-template <class RegisterType>
-Revision OwnedRegister<RegisterType>::GetRevision() const {
- if (bias_ == Bias::LOCAL) {
- return last_modified_;
- } else {
- return 0;
- }
-}
-
-template <class RegisterType>
-std::unique_ptr<typename OwnedRegister<RegisterType>::ChangesetType>
-OwnedRegister<RegisterType>::CreateChangeset(Revision from) const {
- DCHECK(bias_ == Bias::LOCAL);
-
- std::unique_ptr<ChangesetType> changeset = base::MakeUnique<ChangesetType>();
- changeset->last_modified.Set(last_modified_);
- changeset->value.Set(value_);
- return changeset;
-}
-
-template <class RegisterType>
-void OwnedRegister<RegisterType>::ApplyChangeset(
- const ChangesetType& changeset) {
- if (last_modified_ < changeset.last_modified()) {
- value_ = changeset.value();
- last_modified_ = changeset.last_modified();
- }
-}
-
-template <class RegisterType>
-void OwnedRegister<RegisterType>::ReleaseBefore(Revision checkpoint) {
- // no-op
-}
-
-template <class RegisterType>
-bool OwnedRegister<RegisterType>::ValidateChangeset(
- const ChangesetType& changeset) const {
- if (bias_ == Bias::LOCAL) {
- return false;
- }
-
- if (last_modified_ > changeset.last_modified()) {
- return false;
- }
-
- return true;
-}
-
-} // namespace helium
-} // namespace blimp
-
-#endif // BLIMP_HELIUM_OWNED_REGISTER_H_
« no previous file with comments | « blimp/helium/object_sync_state.cc ('k') | blimp/helium/owned_register_unittest.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698