Comparison.php 1.9KB

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  1. <?php
  2. /*
  3. * $Id$
  4. *
  5. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  6. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  7. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  8. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  9. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  10. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  11. * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  12. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  13. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  14. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  15. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  16. *
  17. * This software consists of voluntary contributions made by many individuals
  18. * and is licensed under the LGPL. For more information, see
  19. * <http://www.doctrine-project.org>.
  20. */
  21. namespace Doctrine\ORM\Query\Expr;
  22. /**
  23. * Expression class for DQL comparison expressions
  24. *
  25. * @license http://www.opensource.org/licenses/lgpl-license.php LGPL
  26. * @link www.doctrine-project.org
  27. * @since 2.0
  28. * @version $Revision$
  29. * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
  30. * @author Jonathan Wage <jonwage@gmail.com>
  31. * @author Roman Borschel <roman@code-factory.org>
  32. */
  33. class Comparison
  34. {
  35. const EQ = '=';
  36. const NEQ = '<>';
  37. const LT = '<';
  38. const LTE = '<=';
  39. const GT = '>';
  40. const GTE = '>=';
  41. private $_leftExpr;
  42. private $_operator;
  43. private $_rightExpr;
  44. public function __construct($leftExpr, $operator, $rightExpr)
  45. {
  46. $this->_leftExpr = $leftExpr;
  47. $this->_operator = $operator;
  48. $this->_rightExpr = $rightExpr;
  49. }
  50. public function __toString()
  51. {
  52. return $this->_leftExpr . ' ' . $this->_operator . ' ' . $this->_rightExpr;
  53. }
  54. }