class Book in Drupal 9

Drupal 6/7 book source from database.

For available configuration keys, refer to the parent classes.

Plugin annotation

@MigrateSource(
  id = "book",
  source_module = "book",
)

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
  • class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
    • class \Drupal\migrate\Plugin\migrate\source\SourcePluginBase implements RollbackAwareInterface, MigrateSourceInterface
      • class \Drupal\migrate\Plugin\migrate\source\SqlBase implements ContainerFactoryPluginInterface, RequirementsInterface
        • class \Drupal\migrate_drupal\Plugin\migrate\source\DrupalSqlBase implements DependentPluginInterface uses DependencyTrait
          • class \Drupal\book\Plugin\migrate\source\Book

See also

\Drupal\migrate\Plugin\migrate\source\SqlBase

\Drupal\migrate\Plugin\migrate\source\SourcePluginBase

12 string references to 'Book'

book.info.yml in core/modules/book/book.info.yml

core/modules/book/book.info.yml

BookController::adminOverview in core/modules/book/src/Controller/BookController.php

Returns an administrative overview of all books.

BookJavascriptTest::testBookOrdering in core/modules/book/tests/src/FunctionalJavascript/BookJavascriptTest.php

Tests re-ordering of books.

BookManager::addFormElements in core/modules/book/src/BookManager.php

Builds the common elements of the book form for the node and outline forms.

book_views_data in core/modules/book/book.views.inc

Implements hook_views_data().

... See full list

File

core/modules/book/src/Plugin/migrate/source/Book.php, line 20

Namespace

Drupal\book\Plugin\migrate\source

class Book extends DrupalSqlBase {

  /**
   * {@inheritdoc}
   */
  public function query() {
    $query = $this
      ->select('book', 'b')
      ->fields('b', [
      'nid',
      'bid',
    ]);
    $query
      ->join('menu_links', 'ml', '[b].[mlid] = [ml].[mlid]');
    $ml_fields = [
      'mlid',
      'plid',
      'weight',
      'has_children',
      'depth',
    ];
    foreach (range(1, 9) as $i) {
      $field = "p{$i}";
      $ml_fields[] = $field;
      $query
        ->orderBy('ml.' . $field);
    }
    return $query
      ->fields('ml', $ml_fields);
  }

  /**
   * {@inheritdoc}
   */
  public function getIds() {
    $ids['mlid']['type'] = 'integer';
    $ids['mlid']['alias'] = 'ml';
    return $ids;
  }

  /**
   * {@inheritdoc}
   */
  public function fields() {
    return [
      'nid' => $this
        ->t('Node ID'),
      'bid' => $this
        ->t('Book ID'),
      'mlid' => $this
        ->t('Menu link ID'),
      'plid' => $this
        ->t('Parent link ID'),
      'weight' => $this
        ->t('Weight'),
      'p1' => $this
        ->t('The first mlid in the materialized path. If N = depth, then pN must equal the mlid. If depth > 1 then p(N-1) must equal the parent link mlid. All pX where X > depth must equal zero. The columns p1 .. p9 are also called the parents.'),
      'p2' => $this
        ->t('The second mlid in the materialized path. See p1.'),
      'p3' => $this
        ->t('The third mlid in the materialized path. See p1.'),
      'p4' => $this
        ->t('The fourth mlid in the materialized path. See p1.'),
      'p5' => $this
        ->t('The fifth mlid in the materialized path. See p1.'),
      'p6' => $this
        ->t('The sixth mlid in the materialized path. See p1.'),
      'p7' => $this
        ->t('The seventh mlid in the materialized path. See p1.'),
      'p8' => $this
        ->t('The eighth mlid in the materialized path. See p1.'),
      'p9' => $this
        ->t('The ninth mlid in the materialized path. See p1.'),
    ];
  }

}

Members

Name	Modifiers	Type	Description	Overrides
Book::fields	public	function	Returns available fields on the source. Overrides MigrateSourceInterface::fields
Book::getIds	public	function	Defines the source fields uniquely identifying a source row. Overrides MigrateSourceInterface::getIds
Book::query	public	function	Overrides SqlBase::query
DependencySerializationTrait::$_entityStorages	protected	property
DependencySerializationTrait::$_serviceIds	protected	property
DependencySerializationTrait::__wakeup	public	function		2
DependencyTrait::$dependencies	protected	property	The object's dependencies.
DependencyTrait::addDependencies	protected	function	Adds multiple dependencies.
DependencyTrait::addDependency	protected	function	Adds a dependency.
DrupalSqlBase::$entityTypeManager	protected	property	The entity type manager.
DrupalSqlBase::$requirements	protected	property	If the source provider is missing.
DrupalSqlBase::$systemData	protected	property	The contents of the system table.
DrupalSqlBase::calculateDependencies	public	function	Calculates dependencies for the configured plugin. Overrides DependentPluginInterface::calculateDependencies	1
DrupalSqlBase::checkRequirements	public	function	Checks if requirements for this plugin are OK. Overrides SqlBase::checkRequirements	4
DrupalSqlBase::create	public static	function	Creates an instance of the plugin. Overrides SqlBase::create	3
DrupalSqlBase::getModuleSchemaVersion	protected	function	Retrieves a module schema_version from the source Drupal database.
DrupalSqlBase::getSystemData	public	function	Retrieves all system data information from the source Drupal database.
DrupalSqlBase::moduleExists	protected	function	Checks if a given module is enabled in the source Drupal database.
DrupalSqlBase::variableGet	protected	function	Reads a variable from a source Drupal database.
DrupalSqlBase::__construct	public	function	Constructs a \Drupal\Component\Plugin\PluginBase object. Overrides SqlBase::__construct	6
MessengerTrait::$messenger	protected	property	The messenger.	27
MessengerTrait::messenger	public	function	Gets the messenger.	27
MessengerTrait::setMessenger	public	function	Sets the messenger.
MigrateSourceInterface::NOT_COUNTABLE		constant	Indicates that the source is not countable.
PluginBase::$configuration	protected	property	Configuration information passed into the plugin.	1
PluginBase::$pluginDefinition	protected	property	The plugin implementation definition.	1
PluginBase::$pluginId	protected	property	The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR		constant	A string which is used to separate base plugin IDs from the derivative ID.
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	2
PluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable	public	function	Determines if the plugin is configurable.
SourcePluginBase::$cache	protected	property	The backend cache.
SourcePluginBase::$cacheCounts	protected	property	Whether this instance should cache the source count.	1
SourcePluginBase::$cacheKey	protected	property	Key to use for caching counts.
SourcePluginBase::$currentRow	protected	property	The current row from the query.
SourcePluginBase::$currentSourceIds	protected	property	The primary key of the current row.
SourcePluginBase::$highWaterProperty	protected	property	Information on the property used as the high-water mark.
SourcePluginBase::$highWaterStorage	protected	property	The key-value storage for the high-water value.
SourcePluginBase::$idMap	protected	property	The migration ID map.
SourcePluginBase::$iterator	protected	property	The iterator to iterate over the source rows.
SourcePluginBase::$mapRowAdded	protected	property	Flags whether source plugin will read the map row and add to data row.
SourcePluginBase::$migration	protected	property	The entity migration object.
SourcePluginBase::$moduleHandler	protected	property	The module handler service.	2
SourcePluginBase::$originalHighWater	protected	property	The high water mark at the beginning of the import operation.
SourcePluginBase::$skipCount	protected	property	Whether this instance should not attempt to count the source.	1
SourcePluginBase::$trackChanges	protected	property	Flags whether to track changes to incoming data.	1
SourcePluginBase::aboveHighwater	protected	function	Check if the incoming data is newer than what we've previously imported.
SourcePluginBase::count	public	function	Gets the source count.	9
SourcePluginBase::current	public	function
SourcePluginBase::getCache	protected	function	Gets the cache object.
SourcePluginBase::getCurrentIds	public	function	Gets the currentSourceIds data member.
SourcePluginBase::getHighWater	protected	function	The current value of the high water mark.
SourcePluginBase::getHighWaterField	protected	function	Get the name of the field used as the high watermark.
SourcePluginBase::getHighWaterProperty	protected	function	Get information on the property used as the high watermark.
SourcePluginBase::getHighWaterStorage	protected	function	Get the high water storage object.
SourcePluginBase::getIterator	protected	function	Returns the iterator that will yield the row arrays to be processed.
SourcePluginBase::getModuleHandler	protected	function	Gets the module handler.
SourcePluginBase::getSourceModule	public	function	Gets the source module providing the source data. Overrides MigrateSourceInterface::getSourceModule
SourcePluginBase::key	public	function	Gets the iterator key.
SourcePluginBase::next	public	function
SourcePluginBase::postRollback	public	function	Performs post-rollback tasks. Overrides RollbackAwareInterface::postRollback
SourcePluginBase::prepareRow	public	function	Adds additional data to the row. Overrides MigrateSourceInterface::prepareRow	50
SourcePluginBase::preRollback	public	function	Performs pre-rollback tasks. Overrides RollbackAwareInterface::preRollback
SourcePluginBase::rewind	public	function	Rewinds the iterator.
SourcePluginBase::rowChanged	protected	function	Checks if the incoming row has changed since our last import.
SourcePluginBase::saveHighWater	protected	function	Save the new high water mark.
SourcePluginBase::valid	public	function	Checks whether the iterator is currently valid.
SqlBase::$batch	protected	property	The count of the number of batches run.
SqlBase::$batchSize	protected	property	Number of records to fetch from the database during each batch.
SqlBase::$database	protected	property	The database object.	1
SqlBase::$query	protected	property	The query string.
SqlBase::$state	protected	property	State service for retrieving database info.
SqlBase::doCount	protected	function	Gets the source count using countQuery(). Overrides SourcePluginBase::doCount
SqlBase::fetchNextBatch	protected	function	Prepares query for the next set of data from the source database.
SqlBase::fetchNextRow	protected	function	Position the iterator to the following row. Overrides SourcePluginBase::fetchNextRow
SqlBase::getDatabase	public	function	Gets the database connection object.	2
SqlBase::initializeIterator	protected	function	Initializes the iterator with the source data. Overrides SourcePluginBase::initializeIterator	18
SqlBase::mapJoinable	protected	function	Checks if we can join against the map table.	1
SqlBase::prepareQuery	protected	function	Adds tags and metadata to the query.
SqlBase::select	protected	function	Wrapper for database select.
SqlBase::setUpDatabase	protected	function	Gets a connection to the referenced database.
SqlBase::__sleep	public	function	Overrides DependencySerializationTrait::__sleep
SqlBase::__toString	public	function	Prints the query string when the object is used as a string. Overrides MigrateSourceInterface::__toString
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	4
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.