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abstract class QueryPluginBase in Zircon Profile 8

Same name and namespace in other branches
  1. 8.0 core/modules/views/src/Plugin/views/query/QueryPluginBase.php \Drupal\views\Plugin\views\query\QueryPluginBase

Base plugin class for Views queries.

Hierarchy

Expanded class hierarchy of QueryPluginBase

Related topics

Views query plugins
Plugins for views queries.
7 files declare their use of QueryPluginBase
DisplayKernelTest.php in core/modules/views/src/Tests/Plugin/DisplayKernelTest.php
Contains \Drupal\views\Tests\Plugin\DisplayKernelTest.
EntityFieldRenderer.php in core/modules/views/src/Entity/Render/EntityFieldRenderer.php
Contains \Drupal\views\Entity\Render\EntityFieldRenderer.
EntityTranslationRendererBase.php in core/modules/views/src/Entity/Render/EntityTranslationRendererBase.php
Contains \Drupal\views\Entity\Render\EntityTranslationRendererBase.
QueryTest.php in core/modules/views/tests/modules/views_test_data/src/Plugin/views/query/QueryTest.php
Contains \Drupal\views_test_data\Plugin\views\query\QueryTest.
RendererBase.php in core/modules/views/src/Entity/Render/RendererBase.php
Contains \Drupal\views\Entity\Render\RendererBase.

... See full list

File

core/modules/views/src/Plugin/views/query/QueryPluginBase.php, line 39
Contains \Drupal\views\Plugin\views\query\QueryPluginBase.

Namespace

Drupal\views\Plugin\views\query
View source 
abstract class QueryPluginBase extends PluginBase implements CacheableDependencyInterface {

  /**
   * A pager plugin that should be provided by the display.
   *
   * @var views_plugin_pager
   */
  var $pager = NULL;

  /**
   * Stores the limit of items that should be requested in the query.
   *
   * @var int
   */
  protected $limit;

  /**
   * Generate a query and a countquery from all of the information supplied
   * to the object.
   *
   * @param $get_count
   *   Provide a countquery if this is true, otherwise provide a normal query.
   */
  public function query($get_count = FALSE) {
  }

  /**
   * Let modules modify the query just prior to finalizing it.
   *
   * @param view $view
   *   The view which is executed.
   */
  function alter(ViewExecutable $view) {
  }

  /**
   * Builds the necessary info to execute the query.
   *
   * @param view $view
   *   The view which is executed.
   */
  function build(ViewExecutable $view) {
  }

  /**
   * Executes the query and fills the associated view object with according
   * values.
   *
   * Values to set: $view->result, $view->total_rows, $view->execute_time,
   * $view->pager['current_page'].
   *
   * $view->result should contain an array of objects. The array must use a
   * numeric index starting at 0.
   *
   * @param view $view
   *   The view which is executed.
   */
  function execute(ViewExecutable $view) {
  }

  /**
   * Add a signature to the query, if such a thing is feasible.
   *
   * This signature is something that can be used when perusing query logs to
   * discern where particular queries might be coming from.
   *
   * @param view $view
   *   The view which is executed.
   */
  public function addSignature(ViewExecutable $view) {
  }

  /**
   * Get aggregation info for group by queries.
   *
   * If NULL, aggregation is not allowed.
   */
  public function getAggregationInfo() {
  }
  public function validateOptionsForm(&$form, FormStateInterface $form_state) {
  }
  public function submitOptionsForm(&$form, FormStateInterface $form_state) {
  }
  public function summaryTitle() {
    return $this
      ->t('Settings');
  }

  /**
   * {@inheritdoc}
   */
  public function calculateDependencies() {
    $dependencies = [];
    foreach ($this
      ->getEntityTableInfo() as $entity_type => $info) {
      if (!empty($info['provider'])) {
        $dependencies['module'][] = $info['provider'];
      }
    }
    return $dependencies;
  }

  /**
   * Set a LIMIT on the query, specifying a maximum number of results.
   */
  public function setLimit($limit) {
    $this->limit = $limit;
  }

  /**
   * Set an OFFSET on the query, specifying a number of results to skip
   */
  public function setOffset($offset) {
    $this->offset = $offset;
  }

  /**
   * Returns the limit of the query.
   */
  public function getLimit() {
    return $this->limit;
  }

  /**
   * Create a new grouping for the WHERE or HAVING clause.
   *
   * @param $type
   *   Either 'AND' or 'OR'. All items within this group will be added
   *   to the WHERE clause with this logical operator.
   * @param $group
   *   An ID to use for this group. If unspecified, an ID will be generated.
   * @param $where
   *   'where' or 'having'.
   *
   * @return $group
   *   The group ID generated.
   */
  public function setWhereGroup($type = 'AND', $group = NULL, $where = 'where') {

    // Set an alias.
    $groups =& $this->{$where};
    if (!isset($group)) {
      $group = empty($groups) ? 1 : max(array_keys($groups)) + 1;
    }

    // Create an empty group
    if (empty($groups[$group])) {
      $groups[$group] = array(
        'conditions' => array(),
        'args' => array(),
      );
    }
    $groups[$group]['type'] = strtoupper($type);
    return $group;
  }

  /**
   * Control how all WHERE and HAVING groups are put together.
   *
   * @param $type
   *   Either 'AND' or 'OR'
   */
  public function setGroupOperator($type = 'AND') {
    $this->groupOperator = strtoupper($type);
  }

  /**
   * Loads all entities contained in the passed-in $results.
   *.
   * If the entity belongs to the base table, then it gets stored in
   * $result->_entity. Otherwise, it gets stored in
   * $result->_relationship_entities[$relationship_id];
   *
   * Query plugins that don't support entities can leave the method empty.
   */
  function loadEntities(&$results) {
  }

  /**
   * Returns a Unix timestamp to database native timestamp expression.
   *
   * @param string $field
   *   The query field that will be used in the expression.
   *
   * @return string
   *   An expression representing a timestamp with time zone.
   */
  public function getDateField($field) {
    return $field;
  }

  /**
   * Set the database to the current user timezone,
   *
   * @return string
   *   The current timezone as returned by drupal_get_user_timezone().
   */
  public function setupTimezone() {
    return drupal_get_user_timezone();
  }

  /**
   * Creates cross-database date formatting.
   *
   * @param string $field
   *   An appropriate query expression pointing to the date field.
   * @param string $format
   *   A format string for the result, like 'Y-m-d H:i:s'.
   * @param boolean $string_date
   *   For certain databases, date format functions vary depending on string or
   *   numeric storage.
   *
   * @return string
   *   A string representing the field formatted as a date in the format
   *   specified by $format.
   */
  public function getDateFormat($field, $format, $string_date = FALSE) {
    return $field;
  }

  /**
   * Returns an array of all tables from the query that map to an entity type.
   *
   * Includes the base table and all relationships, if eligible.
   *
   * Available keys for each table:
   * - base: The actual base table (i.e. "user" for an author relationship).
   * - relationship_id: The id of the relationship, or "none".
   * - alias: The alias used for the relationship.
   * - entity_type: The entity type matching the base table.
   * - revision: A boolean that specifies whether the table is a base table or
   *   a revision table of the entity type.
   *
   * @return array
   *   An array of table information, keyed by table alias.
   */
  public function getEntityTableInfo() {

    // Start with the base table.
    $entity_tables = array();
    $views_data = Views::viewsData();
    $base_table = $this->view->storage
      ->get('base_table');
    $base_table_data = $views_data
      ->get($base_table);
    if (isset($base_table_data['table']['entity type'])) {
      $entity_tables[$base_table_data['table']['entity type']] = array(
        'base' => $base_table,
        'alias' => $base_table,
        'relationship_id' => 'none',
        'entity_type' => $base_table_data['table']['entity type'],
        'revision' => $base_table_data['table']['entity revision'],
      );

      // Include the entity provider.
      if (!empty($base_table_data['table']['provider'])) {
        $entity_tables[$base_table_data['table']['entity type']]['provider'] = $base_table_data['table']['provider'];
      }
    }

    // Include all relationships.
    foreach ((array) $this->view->relationship as $relationship_id => $relationship) {
      $table_data = $views_data
        ->get($relationship->definition['base']);
      if (isset($table_data['table']['entity type'])) {
        $entity_tables[$relationship_id . '__' . $relationship->tableAlias] = array(
          'base' => $relationship->definition['base'],
          'relationship_id' => $relationship_id,
          'alias' => $relationship->alias,
          'entity_type' => $table_data['table']['entity type'],
          'revision' => $table_data['table']['entity revision'],
        );

        // Include the entity provider.
        if (!empty($table_data['table']['provider'])) {
          $entity_tables[$relationship_id . '__' . $relationship->tableAlias]['provider'] = $table_data['table']['provider'];
        }
      }
    }

    // Determine which of the tables are revision tables.
    foreach ($entity_tables as $table_alias => $table) {
      $entity_type = \Drupal::entityManager()
        ->getDefinition($table['entity_type']);
      if ($entity_type
        ->getRevisionTable() == $table['base']) {
        $entity_tables[$table_alias]['revision'] = TRUE;
      }
    }
    return $entity_tables;
  }

  /**
   * {@inheritdoc}
   */
  public function getCacheMaxAge() {
    return Cache::PERMANENT;
  }

  /**
   * {@inheritdoc}
   */
  public function getCacheContexts() {
    $contexts = [];
    if (($views_data = Views::viewsData()
      ->get($this->view->storage
      ->get('base_table'))) && !empty($views_data['table']['entity type'])) {
      $entity_type_id = $views_data['table']['entity type'];
      $entity_type = \Drupal::entityManager()
        ->getDefinition($entity_type_id);
      $contexts = $entity_type
        ->getListCacheContexts();
    }
    return $contexts;
  }

  /**
   * {@inheritdoc}
   */
  public function getCacheTags() {
    return [];
  }

}

Members

Namesort descending Modifiers Type Description Overrides
DependencySerializationTrait::$_serviceIds protected property An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep public function 1
DependencySerializationTrait::__wakeup public function 2
PluginBase::$configuration protected property Configuration information passed into the plugin. 2
PluginBase::$definition public property Plugins's definition
PluginBase::$displayHandler public property The display object this plugin is for.
PluginBase::$options public property Options for this plugin will be held here.
PluginBase::$pluginDefinition protected property The plugin implementation definition.
PluginBase::$pluginId protected property The plugin_id.
PluginBase::$renderer protected property Stores the render API renderer. 2
PluginBase::$usesOptions protected property Denotes whether the plugin has an additional options form. 8
PluginBase::$view public property The top object of a view. 1
PluginBase::buildOptionsForm public function Provide a form to edit options for this plugin. Overrides ViewsPluginInterface::buildOptionsForm 16
PluginBase::create public static function Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create 50
PluginBase::defineOptions protected function Information about options for all kinds of purposes will be held here. 18
PluginBase::DERIVATIVE_SEPARATOR constant A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::destroy public function Clears a plugin. Overrides ViewsPluginInterface::destroy 2
PluginBase::doFilterByDefinedOptions protected function Do the work to filter out stored options depending on the defined options.
PluginBase::filterByDefinedOptions public function Filter out stored options depending on the defined options. Overrides ViewsPluginInterface::filterByDefinedOptions
PluginBase::getAvailableGlobalTokens public function Returns an array of available token replacements. Overrides ViewsPluginInterface::getAvailableGlobalTokens
PluginBase::getBaseId public function Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId public function Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition public function Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition
PluginBase::getPluginId public function Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::getProvider public function Returns the plugin provider. Overrides ViewsPluginInterface::getProvider
PluginBase::getRenderer protected function Returns the render API renderer. 1
PluginBase::globalTokenForm public function Adds elements for available core tokens to a form. Overrides ViewsPluginInterface::globalTokenForm
PluginBase::globalTokenReplace public function Returns a string with any core tokens replaced. Overrides ViewsPluginInterface::globalTokenReplace
PluginBase::INCLUDE_ENTITY constant Include entity row languages when listing languages.
PluginBase::INCLUDE_NEGOTIATED constant Include negotiated languages when listing languages.
PluginBase::init public function Initialize the plugin. Overrides ViewsPluginInterface::init 8
PluginBase::listLanguages protected function Makes an array of languages, optionally including special languages.
PluginBase::pluginTitle public function Return the human readable name of the display. Overrides ViewsPluginInterface::pluginTitle
PluginBase::preRenderAddFieldsetMarkup public static function Moves form elements into fieldsets for presentation purposes. Overrides ViewsPluginInterface::preRenderAddFieldsetMarkup
PluginBase::preRenderFlattenData public static function Flattens the structure of form elements. Overrides ViewsPluginInterface::preRenderFlattenData
PluginBase::queryLanguageSubstitutions public static function Returns substitutions for Views queries for languages.
PluginBase::setOptionDefaults protected function Fills up the options of the plugin with defaults.
PluginBase::themeFunctions public function Provide a full list of possible theme templates used by this style. Overrides ViewsPluginInterface::themeFunctions 1
PluginBase::unpackOptions public function Unpack options over our existing defaults, drilling down into arrays so that defaults don't get totally blown away. Overrides ViewsPluginInterface::unpackOptions
PluginBase::usesOptions public function Returns the usesOptions property. Overrides ViewsPluginInterface::usesOptions 8
PluginBase::validate public function Validate that the plugin is correct and can be saved. Overrides ViewsPluginInterface::validate 5
PluginBase::viewsTokenReplace protected function Replaces Views' tokens in a given string. The resulting string will be sanitized with Xss::filterAdmin. 1
PluginBase::VIEWS_QUERY_LANGUAGE_SITE_DEFAULT constant Query string to indicate the site default language.
PluginBase::__construct public function Constructs a PluginBase object. Overrides PluginBase::__construct
QueryPluginBase::$limit protected property Stores the limit of items that should be requested in the query.
QueryPluginBase::$pager property A pager plugin that should be provided by the display.
QueryPluginBase::addSignature public function Add a signature to the query, if such a thing is feasible. 1
QueryPluginBase::alter function Let modules modify the query just prior to finalizing it. 1
QueryPluginBase::build function Builds the necessary info to execute the query. 2
QueryPluginBase::calculateDependencies public function Calculates dependencies for the configured plugin. Overrides PluginBase::calculateDependencies 1
QueryPluginBase::execute function Executes the query and fills the associated view object with according values. 2
QueryPluginBase::getAggregationInfo public function Get aggregation info for group by queries. 1
QueryPluginBase::getCacheContexts public function The cache contexts associated with this object. Overrides CacheableDependencyInterface::getCacheContexts
QueryPluginBase::getCacheMaxAge public function The maximum age for which this object may be cached. Overrides CacheableDependencyInterface::getCacheMaxAge 1
QueryPluginBase::getCacheTags public function The cache tags associated with this object. Overrides CacheableDependencyInterface::getCacheTags 1
QueryPluginBase::getDateField public function Returns a Unix timestamp to database native timestamp expression. 1
QueryPluginBase::getDateFormat public function Creates cross-database date formatting. 1
QueryPluginBase::getEntityTableInfo public function Returns an array of all tables from the query that map to an entity type.
QueryPluginBase::getLimit public function Returns the limit of the query.
QueryPluginBase::loadEntities function Loads all entities contained in the passed-in $results. . If the entity belongs to the base table, then it gets stored in $result->_entity. Otherwise, it gets stored in $result->_relationship_entities[$relationship_id]; 1
QueryPluginBase::query public function Generate a query and a countquery from all of the information supplied to the object. Overrides PluginBase::query 1
QueryPluginBase::setGroupOperator public function Control how all WHERE and HAVING groups are put together.
QueryPluginBase::setLimit public function Set a LIMIT on the query, specifying a maximum number of results.
QueryPluginBase::setOffset public function Set an OFFSET on the query, specifying a number of results to skip
QueryPluginBase::setupTimezone public function Set the database to the current user timezone, 1
QueryPluginBase::setWhereGroup public function Create a new grouping for the WHERE or HAVING clause.
QueryPluginBase::submitOptionsForm public function Handle any special handling on the validate form. Overrides PluginBase::submitOptionsForm 1
QueryPluginBase::summaryTitle public function Returns the summary of the settings in the display. Overrides PluginBase::summaryTitle
QueryPluginBase::validateOptionsForm public function Validate the options form. Overrides PluginBase::validateOptionsForm
StringTranslationTrait::$stringTranslation protected property The string translation service.
StringTranslationTrait::formatPlural protected function Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals protected function Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation protected function Gets the string translation service.
StringTranslationTrait::setStringTranslation public function Sets the string translation service to use. 2
StringTranslationTrait::t protected function Translates a string to the current language or to a given language.