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// Copyright (c) 2011 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 "sql/transaction.h"
#include "base/logging.h"
#include "sql/connection.h"
namespace sql {
Transaction::Transaction(Connection* connection)
: connection_(connection),
is_open_(false) {
}
Transaction::~Transaction() {
if (is_open_)
connection_->RollbackTransaction();
}
bool Transaction::Begin() {
DCHECK(!is_open_) << "Beginning a transaction twice!";
is_open_ = connection_->BeginTransaction();
return is_open_;
}
void Transaction::Rollback() {
DCHECK(is_open_) << "Attempting to roll back a nonexistent transaction. "
<< "Did you remember to call Begin() and check its return?";
is_open_ = false;
connection_->RollbackTransaction();
}
bool Transaction::Commit() {
DCHECK(is_open_) << "Attempting to commit a nonexistent transaction. "
<< "Did you remember to call Begin() and check its return?";
is_open_ = false;
return connection_->CommitTransaction();
}
} // namespace sql
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