sync/internal_api/read_transaction.cc

   1 // Copyright 2012 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/internal_api/public/read_transaction.h"
   6
   7 #include "sync/syncable/directory.h"
   8 #include "sync/syncable/syncable_read_transaction.h"
   9
  10 namespace syncer {
  11
  12 //////////////////////////////////////////////////////////////////////////
  13 // ReadTransaction member definitions
  14 ReadTransaction::ReadTransaction(const tracked_objects::Location& from_here,
  15                                  UserShare* share)
  16     : BaseTransaction(share),
  17       transaction_(NULL),
  18       close_transaction_(true) {
  19   transaction_ = new syncable::ReadTransaction(from_here,
  20                                                share->directory.get());
  21 }
  22
  23 ReadTransaction::ReadTransaction(UserShare* share,
  24                                  syncable::BaseTransaction* trans)
  25     : BaseTransaction(share),
  26       transaction_(trans),
  27       close_transaction_(false) {}
  28
  29 ReadTransaction::~ReadTransaction() {
  30   if (close_transaction_) {
  31     delete transaction_;
  32   }
  33 }
  34
  35 syncable::BaseTransaction* ReadTransaction::GetWrappedTrans() const {
  36   return transaction_;
  37 }
  38
  39 int64 ReadTransaction::GetModelVersion(ModelType type) const {
  40   return transaction_->directory()->GetTransactionVersion(type);
  41 }
  42
  43 void ReadTransaction::GetDataTypeContext(
  44     ModelType type,
  45     sync_pb::DataTypeContext* context) const {
  46   return transaction_->directory()->GetDataTypeContext(
  47       transaction_, type, context);
  48 }
  49
  50 }  // namespace syncer