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20 namespace Doctrine\Common\Collections\Expr;
23 * Comparison of a field with a value by the given operator.
25 * @author Benjamin Eberlei <kontakt@beberlei.de>
28 class Comparison implements Expression
36 const IS = '='; // no difference with EQ
39 const CONTAINS = 'CONTAINS';
40 const MEMBER_OF = 'MEMBER_OF';
41 const STARTS_WITH = 'STARTS_WITH';
42 const ENDS_WITH = 'ENDS_WITH';
59 * @param string $field
60 * @param string $operator
63 public function __construct($field, $operator, $value)
65 if ( ! ($value instanceof Value)) {
66 $value = new Value($value);
69 $this->field = $field;
70 $this->op = $operator;
71 $this->value = $value;
77 public function getField()
85 public function getValue()
93 public function getOperator()
101 public function visit(ExpressionVisitor $visitor)
103 return $visitor->walkComparison($this);