tlode

<?php
namespace SimpleEntities;

use PommProject\ModelManager\Model\FlexibleEntity\FlexibleEntity;
use PommProject\ModelManager\Model\FlexibleEntity\FlexibleContainer;
use PommProject\ModelManager\Model\FlexibleEntity\StatefullEntityTrait;

class CustomFlexibleEntity extends FlexibleContainer
{
    use StatefullEntityTrait;

tlode

    /**
     * begin transaction
     */
    public function begin()
    {
        if(count($this->transactionStack) == 0)
        {
            $this->transactionStack[0] = true;
            parent::beginTransaction();
        }

tlode

<?php
namespace Model;

use PommProject\Foundation\Session\Connection;
use PommProject\ModelManager\Exception\ModelException;
use PommProject\ModelManager\ModelLayer\ModelLayer;

trait BbTransactionTrait
{
    private $savePointStack = [];