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<?php
namespace Doctrine\Common\Collections;
use Doctrine\Common\Collections\Expr\CompositeExpression;
use Doctrine\Common\Collections\Expr\Expression;
use Doctrine\Deprecations\Deprecation;
use function array_map;
use function func_num_args;
use function strtoupper;
/**
* Criteria for filtering Selectable collections.
*
* @psalm-consistent-constructor
*/
class Criteria
{
public const ASC = 'ASC';
public const DESC = 'DESC';
/** @var ExpressionBuilder|null */
private static $expressionBuilder;
/** @var Expression|null */
private $expression;
/** @var string[] */
private $orderings = [];
/** @var int|null */
private $firstResult;
/** @var int|null */
private $maxResults;
/**
* Creates an instance of the class.
*
* @return Criteria
*/
public static function create()
{
return new static();
}
/**
* Returns the expression builder.
*
* @return ExpressionBuilder
*/
public static function expr()
{
if (self::$expressionBuilder === null) {
self::$expressionBuilder = new ExpressionBuilder();
}
return self::$expressionBuilder;
}
/**
* Construct a new Criteria.
*
* @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 = $expression;
if ($firstResult === null && func_num_args() > 2) {
Deprecation::trigger(
'doctrine/collections',
'https://github.com/doctrine/collections/pull/311',
'Passing null as $firstResult to the constructor of %s is deprecated. Pass 0 instead or omit the argument.',
self::class
);
}
$this->setFirstResult($firstResult);
$this->setMaxResults($maxResults);
if ($orderings === null) {
return;
}
$this->orderBy($orderings);
}
/**
* Sets the where expression to evaluate when this Criteria is searched for.
*
* @return $this
*/
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.
*
* @return $this
*/
public function andWhere(Expression $expression)
{
if ($this->expression === null) {
return $this->where($expression);
}
$this->expression = new CompositeExpression(
CompositeExpression::TYPE_AND,
[$this->expression, $expression]
);
return $this;
}
/**
* Appends the where expression to evaluate when this Criteria is searched for
* using an OR with previous expression.
*
* @return $this
*/
public function orWhere(Expression $expression)
{
if ($this->expression === null) {
return $this->where($expression);
}
$this->expression = new CompositeExpression(
CompositeExpression::TYPE_OR,
[$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 $this
*/
public function orderBy(array $orderings)
{
$this->orderings = array_map(
static function (string $ordering): string {
return strtoupper($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 $this
*/
public function setFirstResult($firstResult)
{
if ($firstResult === null) {
Deprecation::triggerIfCalledFromOutside(
'doctrine/collections',
'https://github.com/doctrine/collections/pull/311',
'Passing null to %s() is deprecated, pass 0 instead.',
__METHOD__
);
}
$this->firstResult = $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 $this
*/
public function setMaxResults($maxResults)
{
$this->maxResults = $maxResults;
return $this;
}
}
|
