src/orm/classes/Field/Entities.php
public function afterEntityDelete(ORM_Entity $entity)
    {
        if (in_array('delete', $this->getParam('cascade', array())))
        {
            $table = $this->table->getDriver()->getManager()
                ->getTableByEntityClass($this->getParam('class'));
            if (is_null($table))
            {
                return;
            }
            foreach ($entity->{$this->getName()} as $childEntity)
            {
                $table->delete($childEntity);
            }
        }
    }
public function afterEntityDelete(ORM_Entity $entity)
    {
        if (in_array('delete', $this->getParam('cascade', array())))
        {
            $table = $this->table->getDriver()->getManager()
                ->getTableByEntityClass($this->getParam('class'));
            if (is_null($table))
            {
                return;
            }
            foreach ($entity->{$this->getName()} as $childEntity)
            {
                $table->delete($childEntity);
            }
        }
    }
Действия, выполняемые после удаления сущности

@param ORM_Entity $entity