private IDatabase CreateDatabase(ContextServiceContext context)
{
var factory = context.ServiceProvider.TryGetService <IDatabaseFactory>();
if (factory != null)
{
return(factory.Create(context.Options));
}
IDatabase database;
if (context.Options.Provider != null && context.Options.ConnectionString != null)
{
database = new Database(context.Options.ConnectionString, context.Options.Provider).TrySetServiceProvider(context.ServiceProvider);
}
else
{
throw new InvalidOperationException(SR.GetString(SRKind.NotSupportDatabaseFactory));
}
if (EntityTransactionScope.IsInTransaction())
{
database.BeginTransaction();
EntityTransactionScope.Current.Addransaction((string)context.Options.ConnectionString, this);
}
return(database);
}
/// <summary>
/// 回滚数据库事务。
/// </summary>
public void RollbackTransaction()
{
if (EntityTransactionScope.IsInTransaction())
{
return;
}
Database.RollbackTransaction();
}
/// <summary>
/// 提交数据库事务。
/// </summary>
public void CommitTransaction()
{
if (EntityTransactionScope.IsInTransaction())
{
return;
}
Database.CommitTransaction();
}
/// <summary>
/// 释放资源。
/// </summary>
/// <param name="disposing"></param>
protected override bool Dispose(bool disposing)
{
if (EntityTransactionScope.IsInTransaction())
{
return(false);
}
RollbackTransaction();
if (Database != null)
{
Database.TryDispose(disposing);
_database = null;
}
return(base.Dispose(disposing));
}