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- <?php
- namespace Doctrine\Common\Collections\Expr;
- class CompositeExpression implements Expression
- {
- const TYPE_AND = 'AND';
- const TYPE_OR = 'OR';
-
- private $type;
-
- private $expressions = array();
-
- public function __construct($type, array $expressions)
- {
- $this->type = $type;
- foreach ($expressions as $expr) {
- if ($expr instanceof Value) {
- throw new \RuntimeException("Values are not supported expressions as children of and/or expressions.");
- }
- if ( ! ($expr instanceof Expression)) {
- throw new \RuntimeException("No expression given to CompositeExpression.");
- }
- $this->expressions[] = $expr;
- }
- }
-
- public function getExpressionList()
- {
- return $this->expressions;
- }
-
- public function getType()
- {
- return $this->type;
- }
-
- public function visit(ExpressionVisitor $visitor)
- {
- return $visitor->walkCompositeExpression($this);
- }
- }
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