Chris@0: <?php
Chris@0: /*
Chris@0:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
Chris@0:  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
Chris@0:  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
Chris@0:  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
Chris@0:  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
Chris@0:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
Chris@0:  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
Chris@0:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
Chris@0:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
Chris@0:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
Chris@0:  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Chris@0:  *
Chris@0:  * This software consists of voluntary contributions made by many individuals
Chris@0:  * and is licensed under the MIT license. For more information, see
Chris@0:  * <http://www.doctrine-project.org>.
Chris@0:  */
Chris@0: 
Chris@0: namespace Doctrine\Common\Collections\Expr;
Chris@0: 
Chris@0: /**
Chris@0:  * Comparison of a field with a value by the given operator.
Chris@0:  *
Chris@0:  * @author Benjamin Eberlei <kontakt@beberlei.de>
Chris@0:  * @since  2.3
Chris@0:  */
Chris@0: class Comparison implements Expression
Chris@0: {
Chris@2:     const EQ         = '=';
Chris@2:     const NEQ        = '<>';
Chris@2:     const LT         = '<';
Chris@2:     const LTE        = '<=';
Chris@2:     const GT         = '>';
Chris@2:     const GTE        = '>=';
Chris@2:     const IS         = '='; // no difference with EQ
Chris@2:     const IN         = 'IN';
Chris@2:     const NIN        = 'NIN';
Chris@2:     const CONTAINS   = 'CONTAINS';
Chris@2:     const MEMBER_OF  = 'MEMBER_OF';
Chris@2:     const STARTS_WITH  = 'STARTS_WITH';
Chris@2:     const ENDS_WITH    = 'ENDS_WITH';    
Chris@0:     /**
Chris@0:      * @var string
Chris@0:      */
Chris@0:     private $field;
Chris@0: 
Chris@0:     /**
Chris@0:      * @var string
Chris@0:      */
Chris@0:     private $op;
Chris@0: 
Chris@0:     /**
Chris@0:      * @var Value
Chris@0:      */
Chris@0:     private $value;
Chris@0: 
Chris@0:     /**
Chris@0:      * @param string $field
Chris@0:      * @param string $operator
Chris@0:      * @param mixed  $value
Chris@0:      */
Chris@0:     public function __construct($field, $operator, $value)
Chris@0:     {
Chris@0:         if ( ! ($value instanceof Value)) {
Chris@0:             $value = new Value($value);
Chris@0:         }
Chris@0: 
Chris@0:         $this->field = $field;
Chris@0:         $this->op = $operator;
Chris@0:         $this->value = $value;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * @return string
Chris@0:      */
Chris@0:     public function getField()
Chris@0:     {
Chris@0:         return $this->field;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * @return Value
Chris@0:      */
Chris@0:     public function getValue()
Chris@0:     {
Chris@0:         return $this->value;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * @return string
Chris@0:      */
Chris@0:     public function getOperator()
Chris@0:     {
Chris@0:         return $this->op;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritDoc}
Chris@0:      */
Chris@0:     public function visit(ExpressionVisitor $visitor)
Chris@0:     {
Chris@0:         return $visitor->walkComparison($this);
Chris@0:     }
Chris@0: }