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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\Core\Entity\Query\QueryInterface. | |
| */ | |
| namespace Drupal\Core\Entity\Query; | |
| use Drupal\Core\Database\Query\AlterableInterface; | |
| /** | |
| * Interface for entity queries. | |
| * | |
| * Never instantiate classes implementing this interface directly. Always use | |
| * the QueryFactory class. | |
| * | |
| * @ingroup database | |
| */ | |
| interface QueryInterface extends AlterableInterface { | |
| /** | |
| * Gets the ID of the entity type for this query. | |
| * | |
| * @return string | |
| */ | |
| public function getEntityTypeId(); | |
| /** | |
| * Add a condition to the query or a condition group. | |
| * | |
| * For example, to find all entities containing both the Turkish 'merhaba' | |
| * and the Polish 'siema' within a 'greetings' text field: | |
| * @code | |
| * $entity_ids = \Drupal::entityQuery($entity_type) | |
| * ->condition('greetings', 'merhaba', '=', 'tr'); | |
| * ->condition('greetings.value', 'siema', '=', 'pl'); | |
| * ->execute(); | |
| * $entity_ids = $query->execute(); | |
| * @endcode | |
| * | |
| * @param $field | |
| * Name of the field being queried. It must contain a field name, | |
| * optionally followed by a column name. The column can be "entity" for | |
| * reference fields and that can be followed similarly by a field name | |
| * and so on. Some examples: | |
| * - nid | |
| * - tags.value | |
| * - tags | |
| * - uid.entity.name | |
| * "tags" "is the same as "tags.value" as value is the default column. | |
| * If two or more conditions have the same field names they apply to the | |
| * same delta within that field. | |
| * @param $value | |
| * The value for $field. In most cases, this is a scalar and it's treated as | |
| * case-insensitive. For more complex operators, it is an array. The meaning | |
| * of each element in the array is dependent on $operator. | |
| * @param $operator | |
| * Possible values: | |
| * - '=', '<>', '>', '>=', '<', '<=', 'STARTS_WITH', 'CONTAINS', | |
| * 'ENDS_WITH': These operators expect $value to be a literal of the | |
| * same type as the column. | |
| * - 'IN', 'NOT IN': These operators expect $value to be an array of | |
| * literals of the same type as the column. | |
| * - 'BETWEEN': This operator expects $value to be an array of two literals | |
| * of the same type as the column. | |
| * @param $langcode | |
| * Language code (optional). If omitted, any translation satisfies the | |
| * condition. However, if two or more conditions omit the langcode within | |
| * one condition group then they are presumed to apply to the same | |
| * translation. If within one condition group one condition has a langcode | |
| * and another does not they are not presumed to apply to the same | |
| * translation. | |
| * | |
| * @return \Drupal\Core\Entity\Query\QueryInterface | |
| * @see \Drupal\Core\Entity\Query\andConditionGroup | |
| * @see \Drupal\Core\Entity\Query\orConditionGroup | |
| */ | |
| public function condition($field, $value = NULL, $operator = NULL, $langcode = NULL); | |
| /** | |
| * Queries for a non-empty value on a field. | |
| * | |
| * @param $field | |
| * Name of a field. | |
| * @param $langcode | |
| * Language code (optional). | |
| * @return \Drupal\Core\Entity\Query\QueryInterface | |
| */ | |
| public function exists($field, $langcode = NULL); | |
| /** | |
| * Queries for an empty field. | |
| * | |
| * @param $field. | |
| * Name of a field. | |
| * @param $langcode | |
| * Language code (optional). | |
| * @return \Drupal\Core\Entity\Query\QueryInterface | |
| */ | |
| public function notExists($field, $langcode = NULL); | |
| /** | |
| * Enables a pager for the query. | |
| * | |
| * @param $limit | |
| * An integer specifying the number of elements per page. If passed a false | |
| * value (FALSE, 0, NULL), the pager is disabled. | |
| * @param $element | |
| * An optional integer to distinguish between multiple pagers on one page. | |
| * If not provided, one is automatically calculated. | |
| * | |
| * @return \Drupal\Core\Entity\Query\QueryInterface | |
| * The called object. | |
| */ | |
| public function pager($limit = 10, $element = NULL); | |
| /** | |
| * @param null $start | |
| * @param null $length | |
| * @return \Drupal\Core\Entity\Query\QueryInterface | |
| * The called object. | |
| */ | |
| public function range($start = NULL, $length = NULL); | |
| /** | |
| * @param $field | |
| * Name of a field. | |
| * @param string $direction | |
| * @param $langcode | |
| * Language code (optional). | |
| * @return \Drupal\Core\Entity\Query\QueryInterface | |
| * The called object. | |
| */ | |
| public function sort($field, $direction = 'ASC', $langcode = NULL); | |
| /** | |
| * Makes this a count query. | |
| * | |
| * For count queries, execute() returns the number entities found. | |
| * | |
| * @return \Drupal\Core\Entity\Query\QueryInterface | |
| * The called object. | |
| */ | |
| public function count(); | |
| /** | |
| * Enables sortable tables for this query. | |
| * | |
| * @param $headers | |
| * An array of headers of the same structure as described in | |
| * template_preprocess_table(). Use a 'specifier' in place of a 'field' to | |
| * specify what to sort on. This can be an entity or a field as described | |
| * in condition(). | |
| * | |
| * @return \Drupal\Core\Entity\Query\QueryInterface | |
| * The called object. | |
| */ | |
| public function tableSort(&$headers); | |
| /** | |
| * @return \Drupal\Core\Entity\Query\QueryInterface | |
| * The called object. | |
| */ | |
| public function accessCheck($access_check = TRUE); | |
| /** | |
| * Execute the query. | |
| * | |
| * @return int|array | |
| * Returns an integer for count queries or an array of ids. The values of | |
| * the array are always entity ids. The keys will be revision ids if the | |
| * entity supports revision and entity ids if not. | |
| */ | |
| public function execute(); | |
| /** | |
| * Creates a new group of conditions ANDed together. | |
| * | |
| * For example, consider a drawing entity type with a 'figures' multi-value | |
| * field containing 'shape' and 'color' columns. To find all drawings | |
| * containing both a red triangle and a blue circle: | |
| * @code | |
| * $query = \Drupal::entityQuery('drawing'); | |
| * $group = $query->andConditionGroup() | |
| * ->condition('figures.color', 'red') | |
| * ->condition('figures.shape', 'triangle'); | |
| * $query->condition($group); | |
| * $group = $query->andConditionGroup() | |
| * ->condition('figures.color', 'blue') | |
| * ->condition('figures.shape', 'circle'); | |
| * $query->condition($group); | |
| * $entity_ids = $query->execute(); | |
| * @endcode | |
| * | |
| * @return \Drupal\Core\Entity\Query\ConditionInterface | |
| */ | |
| public function andConditionGroup(); | |
| /** | |
| * Creates a new group of conditions ORed together. | |
| * | |
| * For example, consider a map entity with an 'attributes' field | |
| * containing 'building_type' and 'color' columns. To find all green and | |
| * red bikesheds: | |
| * @code | |
| * $query = \Drupal::entityQuery('map'); | |
| * $group = $query->orConditionGroup() | |
| * ->condition('attributes.color', 'red') | |
| * ->condition('attributes.color', 'green'); | |
| * $entity_ids = $query | |
| * ->condition('attributes.building_type', 'bikeshed') | |
| * ->condition($group) | |
| * ->execute(); | |
| * @endcode | |
| * Note that this particular example can be simplified: | |
| * @code | |
| * $entity_ids = $query | |
| * ->condition('attributes.color', array('red', 'green')) | |
| * ->condition('attributes.building_type', 'bikeshed') | |
| * ->execute(); | |
| * @endcode | |
| * | |
| * @return \Drupal\Core\Entity\Query\ConditionInterface | |
| */ | |
| public function orConditionGroup(); | |
| /** | |
| * Queries the current revision. | |
| * | |
| * @return $this | |
| */ | |
| public function currentRevision(); | |
| /** | |
| * Queries all the revisions. | |
| * | |
| * @return $this | |
| */ | |
| public function allRevisions(); | |
| } |