sync: Implement per-type commit interface

sync/sessions/ordered_commit_set.cc

-// Copyright (c) 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.
-
-#include "sync/sessions/ordered_commit_set.h"
-
-#include <algorithm>
-
-#include "base/logging.h"
-
-namespace syncer {
-namespace sessions {
-
-OrderedCommitSet::OrderedCommitSet() {}
-
-OrderedCommitSet::~OrderedCommitSet() {}
-
-void OrderedCommitSet::AddCommitItem(const int64 metahandle,
-                                     ModelType type) {
-  if (!HaveCommitItem(metahandle)) {
-    inserted_metahandles_.insert(metahandle);
-    metahandle_order_.push_back(metahandle);
-    types_.push_back(type);
-    types_in_list_.Put(type);
-  }
-}
-
-void OrderedCommitSet::AddCommitItems(
-    const std::vector<int64> metahandles,
-    ModelType type) {
-  for (std::vector<int64>::const_iterator it = metahandles.begin();
-       it != metahandles.end(); ++it) {
-    AddCommitItem(*it, type);
-  }
-}
-
-void OrderedCommitSet::Append(const OrderedCommitSet& other) {
-  for (size_t i = 0; i < other.Size(); ++i) {
-    CommitItem item = other.GetCommitItemAt(i);
-    AddCommitItem(item.meta, item.group);
-  }
-}
-
-void OrderedCommitSet::AppendReverse(const OrderedCommitSet& other) {
-  for (int i = other.Size() - 1; i >= 0; i--) {
-    CommitItem item = other.GetCommitItemAt(i);
-    AddCommitItem(item.meta, item.group);
-  }
-}
-
-void OrderedCommitSet::Truncate(size_t max_size) {
-  if (max_size < metahandle_order_.size()) {
-    for (size_t i = max_size; i < metahandle_order_.size(); ++i) {
-      inserted_metahandles_.erase(metahandle_order_[i]);
-    }
-
-    metahandle_order_.resize(max_size);
-    types_.resize(max_size);
-  }
-}
-
-void OrderedCommitSet::Clear() {
-  inserted_metahandles_.clear();
-  metahandle_order_.clear();
-  types_.clear();
-  types_in_list_.Clear();
-}
-
-OrderedCommitSet::CommitItem OrderedCommitSet::GetCommitItemAt(
-    const size_t position) const {
-  DCHECK(position < Size());
-  CommitItem return_item = {metahandle_order_[position],
-      types_[position]};
-  return return_item;
-}
-
-bool OrderedCommitSet::HasBookmarkCommitId() const {
-  for (size_t i = 0; i < types_.size(); i++) {
-    if (types_[i] == BOOKMARKS)
-      return true;
-  }
-  return false;
-}
-
-void OrderedCommitSet::operator=(const OrderedCommitSet& other) {
-  inserted_metahandles_ = other.inserted_metahandles_;
-  metahandle_order_ = other.metahandle_order_;
-  types_ = other.types_;
-}
-
-}  // namespace sessions
-}  // namespace syncer
-