class CompositeExpression in Plug 7

Expression of Expressions combined by AND or OR operation.

@author Benjamin Eberlei <[e-mail]> @since 2.3

Hierarchy

• class \Doctrine\Common\Collections\Expr\CompositeExpression implements Expression

4 files declare their use of CompositeExpression

Criteria.php in lib/doctrine/collections/lib/Doctrine/Common/Collections/Criteria.php

CriteriaTest.php in lib/doctrine/collections/tests/Doctrine/Tests/Common/Collections/CriteriaTest.php

ExpressionBuilder.php in lib/doctrine/collections/lib/Doctrine/Common/Collections/ExpressionBuilder.php

ExpressionBuilderTest.php in lib/doctrine/collections/tests/Doctrine/Tests/Common/Collections/ExpressionBuilderTest.php

File

lib/doctrine/collections/lib/Doctrine/Common/Collections/Expr/CompositeExpression.php, line 28

Namespace

Doctrine\Common\Collections\Expr

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);
  }

}

Members

Name	Modifiers	Type	Description	Overrides
CompositeExpression::$expressions	private	property
CompositeExpression::$type	private	property
CompositeExpression::getExpressionList	public	function	Returns the list of expressions nested in this composite.
CompositeExpression::getType	public	function
CompositeExpression::TYPE_AND		constant
CompositeExpression::TYPE_OR		constant
CompositeExpression::visit	public	function	Overrides Expression::visit
CompositeExpression::__construct	public	function