/// <summary>
/// Runs the script against the database
/// </summary>
/// <param name="databaseAdapter">The database adapter.</param>
/// <returns></returns>
private ErrorCode RunImplementation(Strategies.DatabaseAdapter databaseAdapter)
{
var errorCode = ErrorCode.Ok;
if (WrapInTransaction)
{
if (!databaseAdapter.BeginTransaction())
{
log.Error("Failed to begin the transaction on the database.");
return ErrorCode.DatabaseAdapterFailureAtBeginTransaction;
}
}
if (null != CurrentVersion)
{
bool versionConfirmed;
if (!databaseAdapter.ConfirmVersion(DatabaseName, CurrentVersion, out versionConfirmed))
{
log.Error("Failed to check the current version of the database.");
return ErrorCode.DatabaseAdapterFailureAtConfirmVersion;
}
if (versionConfirmed)
{
log.Info("The current version of the database is compatible with the script");
}
else
{
log.Error("The current version of the database is not compatible with the script.");
return ErrorCode.IncorrectCurrentVersion;
}
};
if (!databaseAdapter.RunCommand(DatabaseName, Command))
{
log.Error("Failed to execute the command on the database.");
errorCode = ErrorCode.DatabaseAdapterFailureAtRunCommand;
}
if ((errorCode == ErrorCode.Ok) && (NewVersion != null))
{
if (!databaseAdapter.SetVersion(DatabaseName, NewVersion))
{
log.Error("Failed to set the new version on the database.");
errorCode = ErrorCode.DatabaseAdapterFailureAtSetVersion;
}
}
if ((errorCode == ErrorCode.Ok) && WrapInTransaction)
{
if (!databaseAdapter.CommitTransaction())
{
log.Error("Failed to commit the transaction on the database.");
errorCode = ErrorCode.DatabaseAdapterFailureAtCommitTransaction;
}
}
if (errorCode != ErrorCode.Ok)
{
if (WrapInTransaction)
{
log.Warn("Rolling back the script transaction.");
if (!databaseAdapter.RollBackTransaction())
{
log.Error("An error occurred when rolling back the script transaction. You must check the database is in the correct state.");
errorCode = ErrorCode.DatabaseAdapterFailureAtRollbackTransaction;
}
log.Warn("The script transaction rolled back successfully");
}
else
{
log.Warn("The script will not be rolled back. You must check the database is in the correct state.");
}
}
return errorCode;
}
