/// <summary>
/// 使用指定的连接字符串和<see cref="DbProviderFactory"/>实例初始化<see cref="DbClient"/>的新实例。
/// </summary>
/// <param name="connectionString">连接字符串。</param>
/// <param name="factory"><see cref="DbProviderFactory"/>实例</param>
public DbClient(string connectionString, DbProviderFactory factory)
{
ArgAssert.NotNull(factory, nameof(factory));
ArgAssert.NotNullOrEmptyOrWhitespace(connectionString, nameof(connectionString));
_factory = factory;
ConnectionString = connectionString;
}
/// <summary>
/// 使用指定的连接字符串和<see cref="DbProviderFactory"/>工厂初始化<see cref="DbClient"/>的新实例。
/// </summary>
/// <param name="connectionString">连接字符串。</param>
/// <param name="factoryGetter">用于创建<see cref="DbProviderFactory"/>。</param>
public DbClient(string connectionString, Func <DbProviderFactory> factoryGetter)
{
ArgAssert.NotNull(factoryGetter, nameof(factoryGetter));
ArgAssert.NotNullOrEmptyOrWhitespace(connectionString, nameof(connectionString));
_factoryGetter = factoryGetter;
ConnectionString = connectionString;
}
private ThreadLocalTransactionKeeper(DbProviderFactory dbProviderFactory, string connectionString)
{
ArgAssert.NotNull(dbProviderFactory, "dbProviderFactory");
ArgAssert.NotNullOrEmptyOrWhitespace(connectionString, "connectionString");
_factory = dbProviderFactory;
_connectionString = connectionString;
}
/// <summary>
/// 创建<see cref="ThreadLocalTransactionKeeper"/>的新实例。
/// </summary>
/// <param name="dbProviderFactory"><see cref="DbProviderFactory"/>实例。</param>
/// <param name="connectionString">初始化数据库连接的连接字符串。</param>
/// <param name="commandTimeout">
/// 指定事务内的命令的默认执行超时时间，当方法没有单独制定超时时，套用此超时值。
/// </param>
public ThreadLocalTransactionKeeper(
DbProviderFactory dbProviderFactory, string connectionString, int commandTimeout)
{
ArgAssert.NotNull(dbProviderFactory, nameof(dbProviderFactory));
ArgAssert.NotNullOrEmptyOrWhitespace(connectionString, nameof(connectionString));
Factory = dbProviderFactory;
ConnectionString = connectionString;
DefaultTimeout = commandTimeout;
}
public TransactionScopeTransactionKeeper(DbProviderFactory dbProviderFactory, string connectionString)
{
ArgAssert.NotNull(dbProviderFactory, "dbProviderFactory");
ArgAssert.NotNullOrEmptyOrWhitespace(connectionString, "connectionString");
_factory = dbProviderFactory;
_connectionString = connectionString;
//鉴于应用场景，直接开启事务控制（不过数据库连接还没初始化）
_tran = new TransactionScope();
}
/// <summary>
/// 初始化类型的新实例。
/// </summary>
/// <param name="dbProviderFactory"><see cref="DbProviderFactory"/>的实例。</param>
/// <param name="connectionString">指定数据库的连接字符串。</param>
/// <param name="commandTimeout">
/// 指定事务内的命令的默认执行超时时间，当方法没有单独制定超时时，套用此超时值。
/// </param>
public TransactionScopeTransactionKeeper(
DbProviderFactory dbProviderFactory, string connectionString, int commandTimeout)
{
ArgAssert.NotNull(dbProviderFactory, "dbProviderFactory");
ArgAssert.NotNullOrEmptyOrWhitespace(connectionString, "connectionString");
Factory = dbProviderFactory;
ConnectionString = connectionString;
DefaultTimeout = commandTimeout;
//鉴于应用场景，直接开启事务控制（不过数据库连接还没初始化）
_tran = new TransactionScope();
}
/// <summary>
/// 使用指定的数据库类型和连接字符串初始化<see cref="SqlDbClient"/>的新实例。
/// </summary>
/// <param name="connectionString">连接字符串。</param>
public MysqlDbClient(string connectionString)
{
ArgAssert.NotNullOrEmptyOrWhitespace(connectionString, "connectionString");
ConnectionString = connectionString;
}
