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- <?php
- /*
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * This software consists of voluntary contributions made by many individuals
- * and is licensed under the MIT license. For more information, see
- * <http://www.doctrine-project.org>.
- */
- namespace Doctrine\Common\Collections\Expr;
- /**
- * Expression of Expressions combined by AND or OR operation.
- *
- * @author Benjamin Eberlei <kontakt@beberlei.de>
- * @since 2.3
- */
- class CompositeExpression implements Expression
- {
- const TYPE_AND = 'AND';
- const TYPE_OR = 'OR';
- /**
- * @var string
- */
- private $type;
- /**
- * @var Expression[]
- */
- private $expressions = array();
- /**
- * @param string $type
- * @param array $expressions
- *
- * @throws \RuntimeException
- */
- public function __construct($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;
- }
- }
- /**
- * Returns the list of expressions nested in this composite.
- *
- * @return Expression[]
- */
- public function getExpressionList()
- {
- return $this->expressions;
- }
- /**
- * @return string
- */
- public function getType()
- {
- return $this->type;
- }
- /**
- * {@inheritDoc}
- */
- public function visit(ExpressionVisitor $visitor)
- {
- return $visitor->walkCompositeExpression($this);
- }
- }
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