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class CompositeExpression in Plug 7

Expression of Expressions combined by AND or OR operation.

@author Benjamin Eberlei <kontakt@beberlei.de> @since 2.3

Hierarchy

Expanded class hierarchy of CompositeExpression

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
View source
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

Namesort descending 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