1 | <?php |
---|
2 | /* |
---|
3 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
---|
4 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
---|
5 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
---|
6 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
---|
7 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
---|
8 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
---|
9 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
---|
10 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
---|
11 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
---|
12 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
---|
13 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
---|
14 | * |
---|
15 | * This software consists of voluntary contributions made by many individuals |
---|
16 | * and is licensed under the LGPL. For more information, see |
---|
17 | * <http://www.doctrine-project.org>. |
---|
18 | */ |
---|
19 | |
---|
20 | namespace Doctrine\ORM\Internal\Hydration; |
---|
21 | |
---|
22 | use Doctrine\DBAL\Connection, |
---|
23 | Doctrine\ORM\NoResultException, |
---|
24 | Doctrine\ORM\NonUniqueResultException; |
---|
25 | |
---|
26 | /** |
---|
27 | * Hydrator that hydrates a single scalar value from the result set. |
---|
28 | * |
---|
29 | * @since 2.0 |
---|
30 | * @author Roman Borschel <roman@code-factory.org> |
---|
31 | * @author Guilherme Blanco <guilhermeblanco@hotmail.com> |
---|
32 | */ |
---|
33 | class SingleScalarHydrator extends AbstractHydrator |
---|
34 | { |
---|
35 | /** |
---|
36 | * {@inheritdoc} |
---|
37 | */ |
---|
38 | protected function hydrateAllData() |
---|
39 | { |
---|
40 | $data = $this->_stmt->fetchAll(\PDO::FETCH_ASSOC); |
---|
41 | $numRows = count($data); |
---|
42 | |
---|
43 | if ($numRows === 0) { |
---|
44 | throw new NoResultException(); |
---|
45 | } |
---|
46 | |
---|
47 | if ($numRows > 1 || count($data[key($data)]) > 1) { |
---|
48 | throw new NonUniqueResultException(); |
---|
49 | } |
---|
50 | |
---|
51 | $cache = array(); |
---|
52 | $result = $this->gatherScalarRowData($data[key($data)], $cache); |
---|
53 | |
---|
54 | return array_shift($result); |
---|
55 | } |
---|
56 | } |
---|