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- <?php
- namespace Drupal\Core\Entity\Query;
- /**
- * Defines aggregated entity query conditions.
- */
- interface ConditionAggregateInterface extends \Countable {
- /**
- * Gets the current conjunction.
- *
- * @return string
- * Can be AND or OR.
- */
- public function getConjunction();
- /**
- * Adds a condition.
- *
- * @param string|ConditionAggregateInterface $field
- * @param string $function
- * @param mixed $value
- * @param string $operator
- * @param string $langcode
- *
- * @return \Drupal\Core\Entity\Query\ConditionAggregateInterface
- * The called object.
- * @see \Drupal\Core\Entity\Query\QueryInterface::condition()
- */
- public function condition($field, $function = NULL, $value = NULL, $operator = NULL, $langcode = NULL);
- /**
- * Queries for the existence of a field.
- *
- * @param $field
- * @param string $langcode
- * @return ConditionInterface
- * @see \Drupal\Core\Entity\Query\QueryInterface::exists()
- */
- public function exists($field, $function, $langcode = NULL);
- /**
- * Queries for the nonexistence of a field.
- *
- * @param string $field
- * @return ConditionInterface
- * @see \Drupal\Core\Entity\Query\QueryInterface::notExists()
- */
- public function notExists($field, $function, $langcode = NULL);
- /**
- * Gets a complete list of all conditions in this conditional clause.
- *
- * This method returns by reference. That allows alter hooks to access the
- * data structure directly and manipulate it before it gets compiled.
- *
- * @return array
- */
- public function &conditions();
- /**
- * Compiles this conditional clause.
- *
- * @param $query
- * The query object this conditional clause belongs to.
- */
- public function compile($query);
- }
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