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<?php
namespace SMW\DataValues\ValueValidators;
use RuntimeException;
/**
* @private
*
* @license GNU GPL v2+
* @since 2.4
*
* @author mwjames
*/
class CompoundConstraintValueValidator implements ConstraintValueValidator {
/**
* @var boolean
*/
private $hasConstraintViolation = false;
/**
* @var array
*/
private $constraintValueValidators = [];
/**
* @since 2.4
*
* @param ConstraintValueValidator $constraintValueValidator
*/
public function registerConstraintValueValidator( ConstraintValueValidator $constraintValueValidator ) {
$this->constraintValueValidators[] = $constraintValueValidator;
}
/**
* @since 2.4
*
* {@inheritDoc}
*/
public function hasConstraintViolation() {
return $this->hasConstraintViolation;
}
/**
* @since 2.4
*
* {@inheritDoc}
*/
public function validate( $dataValue ) {
$this->hasConstraintViolation = false;
if ( $this->constraintValueValidators === [] ) {
throw new RuntimeException( "Missing a registered ConstraintValueValidator" );
}
// Any constraint violation by a ConstraintValueValidator registered will
// force an immediate halt without checking any other possible constraint
foreach ( $this->constraintValueValidators as $constraintValueValidator ) {
$constraintValueValidator->validate( $dataValue );
if ( $constraintValueValidator->hasConstraintViolation() ) {
$this->hasConstraintViolation = true;
break;
}
}
}
}
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