class.ilTestProcessLockerDb.php

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<?php
/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once 'Modules/Test/classes/class.ilTestProcessLocker.php';

class ilTestProcessLockerDb extends ilTestProcessLocker
{
        protected $db;

        protected $atom_query;

        public function __construct(ilDBInterface $db)
        {
                $this->db         = $db;
                $this->atom_query = $this->db->buildAtomQuery(); 
        }

        protected function onBeforeExecutingTestStartOperation()
        {
                $this->atom_query->addTableLock('tst_active');
        }

        protected function onBeforeExecutingRandomPassBuildOperation($withTaxonomyTables = false)
        {
                $this->atom_query->addTableLock('tst_rnd_cpy');
                $this->atom_query->addTableLock('qpl_questions');
                $this->atom_query->addTableLock('qpl_qst_type');
                $this->atom_query->addTableLock('tst_test_rnd_qst')->lockSequence(true);
                $this->atom_query->addTableLock('il_plugin');
                $this->atom_query->addTableLock('tst_active');

                if($withTaxonomyTables)
                {
                        $this->atom_query->addTableLock('tax_tree')->aliasName('s');
                        $this->atom_query->addTableLock('tax_tree')->aliasName('t');
                        $this->atom_query->addTableLock('tax_node_assignment');
                }
        }
        
        protected function onBeforeExecutingTestFinishOperation()
        {
                $this->atom_query->addTableLock('tst_active');
        }

        protected function executeOperation(callable $operation)
        {
                $this->atom_query ->addQueryCallable(function(ilDBInterface $ilDB) use ($operation) {
                        $operation();
                });
                $this->atom_query->run();
        }
}