public override void Lock(Database.DatabaseHelper dbHelper)
{
try {
OracleCommand command = dbHelper.Connection.CreateCommand();
command.CommandText = String.Format(QRY_SELECT + " FOR UPDATE", this.Id);
command.ExecuteScalar();
Memento.Id = Id;
Memento.FirstName = FirstName;
Memento.LastName = FirstName;
}
catch (OracleException e) {
throw e;
}
}
/// <summary>
/// Repository初始化
/// </summary>
/// <param name="databaseReader">数据库读访问对象</param>
/// <param name="databaseWriter">数据库写访问对象</param>
public RepositoryDatabase(Database.DatabaseHelper databaseReader, Database.DatabaseHelper databaseWriter)
: this(databaseReader)
{
if (databaseWriter == null)
{
throw new ArgumentNullException("databaseWriter");
}
if (databaseReader.DbProvider.ProviderName != databaseWriter.DbProvider.ProviderName)
{
throw new ArgumentException("数据库读写连接对象的驱动不一致");
}
_dbWriter = databaseWriter;
}
/// <summary>
/// Repository初始化
/// </summary>
/// <param name="database">数据库读写访问对象</param>
public RepositoryDatabase(Database.DatabaseHelper database)
{
if (database == null)
{
throw new ArgumentNullException("database");
}
if (typeof(T) == typeof(DynamicEntity))
{
throw new ArgumentException(string.Format("泛型T不能是{0}", typeof(DynamicEntity).FullName));
}
_dbReader = database;
_dbWriter = database;
var accessor = Map.GetCheckedAccessor <T>();
dbMetaInfo = accessor.MetaInfo as IDbMetaInfo;
metaInfo = accessor.MetaInfo;
}