/// <summary>
/// 开启带一个参数的事务
/// </summary>
/// <param name="db">The database.</param>
/// <param name="action">The action.</param>
/// <param name="parameter">The parameter.</param>
public static void Invoke(this Database db, Action <TransactionHost, object> action, object parameter)
{
using (var host = new TransactionHost(db))
{
action?.Invoke(host, parameter);
host.Commit();
}
}
/// <summary>
/// 封装数据库对象api，内部调用事务
/// </summary>
/// <param name="database">数据库对象</param>
/// <param name="action">运行函数</param>
public static void Invoke(this Database database, Action <TransactionHost> action)
{
using (var host = new TransactionHost(database))
{
action?.Invoke(host);
host.Commit();
}
}
/// <summary>
/// 开启一个带一个参数、一个返回值的事务
/// </summary>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <param name="db">The database.</param>
/// <param name="func">The function.</param>
/// <param name="parameter">The parameter.</param>
/// <returns></returns>
public static TResult Invoke <TResult>(this Database db, Func <TransactionHost, object, TResult> func, object parameter)
{
using (var host = new TransactionHost(db))
{
var result = func.Invoke(host, parameter);
host.Commit();
return(result);
}
}
/// <summary>
/// 封装文档对象api并锁住文档，内部调用事务
/// </summary>
/// <param name="document">文档对象</param>
/// <param name="action">运行函数</param>
public static void Invoke(this Document document, Action <TransactionHost> action)
{
using (document.LockDocument())
{
var database = document.Database;
using (var host = new TransactionHost(database))
{
action?.Invoke(host);
host.Commit();
}
}
}
