/// <summary>
/// 构造函数
/// </summary>
/// <param name="conn"></param>
/// <param name="parent"></param>
/// <param name="il"></param>
/// <param name="option"></param>
/// <param name="loggerFactory"></param>
/// <param name="connectionId"></param>
public TransScope(IDbConnection conn, TransScope parent, IsolationLevel il = IsolationLevel.ReadCommitted, TransScopeOption option = TransScopeOption.Required, ILoggerFactory loggerFactory = null, string connectionId = null)
{
if (loggerFactory != null)
{
_LoggerFactory = loggerFactory;
_Logger = loggerFactory.CreateLogger <TransScope>();
}
Guid = System.Guid.NewGuid().ToString();
Parent = parent;
Option = option;
_Conn = conn;
_ConnectionId = connectionId;
//当前事务为内嵌事务
if (Parent != null && Option == TransScopeOption.Required)
{
_Trans = Parent.Trans;
_State = Parent.State;
LogDebug("Create Nest TransScope. DbConnectionWrap.Guid={0}, TransScope.Guid={1}", _ConnectionId, Guid);
}
else
{
LogDebug("Create Root TransScope. DbConnectionWrap.Guid={0}, TransScope.Guid={1}", _ConnectionId, Guid);
}
_IsolationLevel = il;
}
/// <summary>
/// 开启事务
/// </summary>
/// <param name="option"></param>
/// <param name="il"></param>
/// <returns></returns>
public TransScope TransScope(TransScopeOption option = TransScopeOption.Required, IsolationLevel il = IsolationLevel.ReadCommitted)
{
var conn = CreateConnectionWrap(option == TransScopeOption.RequireNew);
RegistTransScopeConnection(conn);
var scope = new TransScope(conn, conn.TransScope, il, option, LoggerFactory, conn.Guid);
conn.TransScope = scope;
scope.OnDisposed += TransScope_OnDisposed;
return(scope);
}
/// <summary>
/// Initializes a new instance of the <see cref="TransScope"/> class.
/// </summary>
/// <param name="connectionString">The connection string.</param>
/// <param name="option">The option.</param>
public TransScope(string connectionString, TransScopeOption option)
{
_connectionManager = ConnectionManager.GetManager(connectionString);
if (!_connectionManager.IsExistDbTransaction() || option == TransScopeOption.RequiresNew)
{
_tran = _connectionManager.BeginTransaction();
_beginTransactionIsInCurrentTransScope = true;
}
else
{
_tran = _connectionManager.Transaction;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="TransScope"/> class.
/// </summary>
/// <param name="connectionString">The connection string.</param>
/// <param name="option">The option.</param>
public TransScope(string connectionString, TransScopeOption option)
{
_connectionManager = ConnectionManager.GetManager(connectionString);
if (!_connectionManager.IsExistDbTransaction() || option == TransScopeOption.RequiresNew)
{
_tran = _connectionManager.BeginTransaction();
_beginTransactionIsInCurrentTransScope = true;
}
else
{
_tran = _connectionManager.Transaction;
}
}
public DBTransScope(string connectionStrings, ORMDBType dbTyp, TransScopeOption option)
{
//如果有多数据库，再开放个构造函数 传递数据库连接字符串
_connectionManager = ConnectionManager.GetManager(connectionStrings, dbTyp);
if (!_connectionManager.IsExistDbTransaction() || option == TransScopeOption.RequiresNew)
{
_tran = _connectionManager.BeginTransaction();
_beginTransactionIsInCurrentTransScope = true;
}
else
{
_tran = _connectionManager.Transaction;
}
}
/// <summary>
/// 开启一个事务
/// </summary>
/// <param name="option"></param>
/// <returns></returns>
public TransScope BeginTransScope(TransScopeOption option = TransScopeOption.Required)
{
return(new TransScope(this._mgr, this._dbFactory, this._conStr, option));
}
public TransScope(IConnectionManagerFactory mgr, IConnectionFactory factory, string connectionString, TransScopeOption option = TransScopeOption.Required)
{
_connectionManager = factory == null?
mgr.GetConnectionManager(connectionString)
: mgr.GetConnectionManager(factory, connectionString);
if (!_connectionManager.IsExistDbTransaction() || option == TransScopeOption.RequiresNew)
{
_tran = _connectionManager.BeginTransaction();
_beginTransactionIsInCurrentTransScope = true;
}
else
{
_tran = _connectionManager.Transaction;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="TransScope"/> class.
/// </summary>
/// <param name="connectionString">The connection string.</param>
/// <param name="option">The option.</param>
public TransScope(IConnectionManagerFactory mgr, string connectionString, TransScopeOption option = TransScopeOption.Required)
: this(mgr, null, connectionString, option)
{
_option = option;
}
public TransScope GetTransScope(TransScopeOption option = TransScopeOption.Required)
{
return(new TransScope(_constr, option));
}
/// <summary>
/// 开启一个事务，
/// using(var transScope=BeginTransScope())
/// {...;
/// transScope.Commit();
/// }
/// </summary>
/// <param name="scopeOption"></param>
/// <returns></returns>
public IDBTransScope BeginTransScope(TransScopeOption scopeOption = TransScopeOption.Required)
{
return(new DBTransScope(ConnectionStrings, this.GetORMDBType(), scopeOption));
}