ArrayCache.php 2.3 KB

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  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 MIT license. For more information, see
  17. * <http://www.doctrine-project.org>.
  18. */
  19. namespace Doctrine\Common\Cache;
  20. /**
  21. * Array cache driver.
  22. *
  23. * @link www.doctrine-project.org
  24. * @since 2.0
  25. * @author Benjamin Eberlei <kontakt@beberlei.de>
  26. * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
  27. * @author Jonathan Wage <jonwage@gmail.com>
  28. * @author Roman Borschel <roman@code-factory.org>
  29. * @author David Abdemoulaie <dave@hobodave.com>
  30. */
  31. class ArrayCache extends CacheProvider
  32. {
  33. /**
  34. * @var array $data
  35. */
  36. private $data = array();
  37. /**
  38. * {@inheritdoc}
  39. */
  40. protected function doFetch($id)
  41. {
  42. return (isset($this->data[$id])) ? $this->data[$id] : false;
  43. }
  44. /**
  45. * {@inheritdoc}
  46. */
  47. protected function doContains($id)
  48. {
  49. return isset($this->data[$id]);
  50. }
  51. /**
  52. * {@inheritdoc}
  53. */
  54. protected function doSave($id, $data, $lifeTime = 0)
  55. {
  56. $this->data[$id] = $data;
  57. return true;
  58. }
  59. /**
  60. * {@inheritdoc}
  61. */
  62. protected function doDelete($id)
  63. {
  64. unset($this->data[$id]);
  65. return true;
  66. }
  67. /**
  68. * {@inheritdoc}
  69. */
  70. protected function doFlush()
  71. {
  72. $this->data = array();
  73. return true;
  74. }
  75. /**
  76. * {@inheritdoc}
  77. */
  78. protected function doGetStats()
  79. {
  80. return null;
  81. }
  82. }