class Criteria in Plug 7

Criteria for filtering Selectable collections.

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

Hierarchy

• class \Doctrine\Common\Collections\Criteria

3 files declare their use of Criteria

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

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

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

File

lib/doctrine/collections/lib/Doctrine/Common/Collections/Criteria.php, line 31

Namespace

Doctrine\Common\Collections

class Criteria {

  /**
   * @var string
   */
  const ASC = 'ASC';

  /**
   * @var string
   */
  const DESC = 'DESC';

  /**
   * @var \Doctrine\Common\Collections\ExpressionBuilder|null
   */
  private static $expressionBuilder;

  /**
   * @var \Doctrine\Common\Collections\Expr\Expression|null
   */
  private $expression;

  /**
   * @var string[]
   */
  private $orderings = array();

  /**
   * @var int|null
   */
  private $firstResult;

  /**
   * @var int|null
   */
  private $maxResults;

  /**
   * Creates an instance of the class.
   *
   * @return Criteria
   */
  public static function create() {
    return new static();
  }

  /**
   * Returns the expression builder.
   *
   * @return \Doctrine\Common\Collections\ExpressionBuilder
   */
  public static function expr() {
    if (self::$expressionBuilder === null) {
      self::$expressionBuilder = new ExpressionBuilder();
    }
    return self::$expressionBuilder;
  }

  /**
   * Construct a new Criteria.
   *
   * @param Expression    $expression
   * @param string[]|null $orderings
   * @param int|null      $firstResult
   * @param int|null      $maxResults
   */
  public function __construct(Expression $expression = null, array $orderings = null, $firstResult = null, $maxResults = null) {
    $this->expression = $expression;
    $this
      ->setFirstResult($firstResult);
    $this
      ->setMaxResults($maxResults);
    if (null !== $orderings) {
      $this
        ->orderBy($orderings);
    }
  }

  /**
   * Sets the where expression to evaluate when this Criteria is searched for.
   *
   * @param Expression $expression
   *
   * @return Criteria
   */
  public function where(Expression $expression) {
    $this->expression = $expression;
    return $this;
  }

  /**
   * Appends the where expression to evaluate when this Criteria is searched for
   * using an AND with previous expression.
   *
   * @param Expression $expression
   *
   * @return Criteria
   */
  public function andWhere(Expression $expression) {
    if ($this->expression === null) {
      return $this
        ->where($expression);
    }
    $this->expression = new CompositeExpression(CompositeExpression::TYPE_AND, array(
      $this->expression,
      $expression,
    ));
    return $this;
  }

  /**
   * Appends the where expression to evaluate when this Criteria is searched for
   * using an OR with previous expression.
   *
   * @param Expression $expression
   *
   * @return Criteria
   */
  public function orWhere(Expression $expression) {
    if ($this->expression === null) {
      return $this
        ->where($expression);
    }
    $this->expression = new CompositeExpression(CompositeExpression::TYPE_OR, array(
      $this->expression,
      $expression,
    ));
    return $this;
  }

  /**
   * Gets the expression attached to this Criteria.
   *
   * @return Expression|null
   */
  public function getWhereExpression() {
    return $this->expression;
  }

  /**
   * Gets the current orderings of this Criteria.
   *
   * @return string[]
   */
  public function getOrderings() {
    return $this->orderings;
  }

  /**
   * Sets the ordering of the result of this Criteria.
   *
   * Keys are field and values are the order, being either ASC or DESC.
   *
   * @see Criteria::ASC
   * @see Criteria::DESC
   *
   * @param string[] $orderings
   *
   * @return Criteria
   */
  public function orderBy(array $orderings) {
    $this->orderings = array_map(function ($ordering) {
      return strtoupper($ordering) === Criteria::ASC ? Criteria::ASC : Criteria::DESC;
    }, $orderings);
    return $this;
  }

  /**
   * Gets the current first result option of this Criteria.
   *
   * @return int|null
   */
  public function getFirstResult() {
    return $this->firstResult;
  }

  /**
   * Set the number of first result that this Criteria should return.
   *
   * @param int|null $firstResult The value to set.
   *
   * @return Criteria
   */
  public function setFirstResult($firstResult) {
    $this->firstResult = null === $firstResult ? null : (int) $firstResult;
    return $this;
  }

  /**
   * Gets maxResults.
   *
   * @return int|null
   */
  public function getMaxResults() {
    return $this->maxResults;
  }

  /**
   * Sets maxResults.
   *
   * @param int|null $maxResults The value to set.
   *
   * @return Criteria
   */
  public function setMaxResults($maxResults) {
    $this->maxResults = null === $maxResults ? null : (int) $maxResults;
    return $this;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
Criteria::$expression	private	property
Criteria::$expressionBuilder	private static	property
Criteria::$firstResult	private	property
Criteria::$maxResults	private	property
Criteria::$orderings	private	property
Criteria::andWhere	public	function	Appends the where expression to evaluate when this Criteria is searched for using an AND with previous expression.
Criteria::ASC		constant
Criteria::create	public static	function	Creates an instance of the class.
Criteria::DESC		constant
Criteria::expr	public static	function	Returns the expression builder.
Criteria::getFirstResult	public	function	Gets the current first result option of this Criteria.
Criteria::getMaxResults	public	function	Gets maxResults.
Criteria::getOrderings	public	function	Gets the current orderings of this Criteria.
Criteria::getWhereExpression	public	function	Gets the expression attached to this Criteria.
Criteria::orderBy	public	function	Sets the ordering of the result of this Criteria.
Criteria::orWhere	public	function	Appends the where expression to evaluate when this Criteria is searched for using an OR with previous expression.
Criteria::setFirstResult	public	function	Set the number of first result that this Criteria should return.
Criteria::setMaxResults	public	function	Sets maxResults.
Criteria::where	public	function	Sets the where expression to evaluate when this Criteria is searched for.
Criteria::__construct	public	function	Construct a new Criteria.