ConnectionBundle - QueryBuilder draft

gistfile1.php

$queryBuilder = $connectionManager->getQueryBuilder();

$destinationConstraints = $queryBuilder->getDestinationConstraints();
$destinationConstraints->getPropertyConstraints()->property('createdAt', QueryBuilderContrainst::greaterThan('23-03-2013'));
$destinationConstraints->getPropertyConstraints()->property('enabled', QueryBuilderContrainst::equals('23-03-2013'));
$destinationConstraints->setType(array('Acme\Models\User', 'Acme\Models\Book'));

$sourceConstraints = $queryBuilder->getSourceContraints();
$sourceConstraints->getPropertyConstraints()->property('createdAt', QueryBuilderContrainst::greaterThan('23-03-2013'));

$connectionConstraints = $queryBuilder->getConnectionConstraints();
$connectionConstraints->typeConnection(array('like', 'follow'));
$connectionConstraints->getPropertyContraints()->property('scoring', QueryBuilderConstraints::greaterThan(12));
$connectionConstraints->getPropertyContraints()->property('createdAt', QueryBuilderConstraints::greaterThan('23-03-2013'));

$queryBuilder->countConnections();
$queryBuilder->getConnections();