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class BeerNode in Migrate Plus 8.2

Same name and namespace in other branches
  1. 8.5 migrate_example/src/Plugin/migrate/source/BeerNode.php \Drupal\migrate_example\Plugin\migrate\source\BeerNode
  2. 8 migrate_example/src/Plugin/migrate/source/BeerNode.php \Drupal\migrate_example\Plugin\migrate\source\BeerNode
  3. 8.3 migrate_example/src/Plugin/migrate/source/BeerNode.php \Drupal\migrate_example\Plugin\migrate\source\BeerNode
  4. 8.4 migrate_example/src/Plugin/migrate/source/BeerNode.php \Drupal\migrate_example\Plugin\migrate\source\BeerNode

Source plugin for beer content.

Plugin annotation


@MigrateSource(
  id = "beer_node"
)

Hierarchy

Expanded class hierarchy of BeerNode

File

migrate_example/src/Plugin/migrate/source/BeerNode.php, line 15

Namespace

Drupal\migrate_example\Plugin\migrate\source
View source
class BeerNode extends SqlBase {

  /**
   * {@inheritdoc}
   */
  public function query() {

    /**
     * An important point to note is that your query *must* return a single row
     * for each item to be imported. Here we might be tempted to add a join to
     * migrate_example_beer_topic_node in our query, to pull in the
     * relationships to our categories. Doing this would cause the query to
     * return multiple rows for a given node, once per related value, thus
     * processing the same node multiple times, each time with only one of the
     * multiple values that should be imported. To avoid that, we simply query
     * the base node data here, and pull in the relationships in prepareRow()
     * below.
     */
    $query = $this
      ->select('migrate_example_beer_node', 'b')
      ->fields('b', [
      'bid',
      'name',
      'body',
      'excerpt',
      'aid',
      'countries',
      'image',
      'image_alt',
      'image_title',
      'image_description',
    ]);
    return $query;
  }

  /**
   * {@inheritdoc}
   */
  public function fields() {
    $fields = [
      'bid' => $this
        ->t('Beer ID'),
      'name' => $this
        ->t('Name of beer'),
      'body' => $this
        ->t('Full description of the beer'),
      'excerpt' => $this
        ->t('Abstract for this beer'),
      'aid' => $this
        ->t('Account ID of the author'),
      'countries' => $this
        ->t('Countries of origin. Multiple values, delimited by pipe'),
      'image' => $this
        ->t('Image path'),
      'image_alt' => $this
        ->t('Image ALT'),
      'image_title' => $this
        ->t('Image title'),
      'image_description' => $this
        ->t('Image description'),
      // Note that this field is not part of the query above - it is populated
      // by prepareRow() below. You should document all source properties that
      // are available for mapping after prepareRow() is called.
      'terms' => $this
        ->t('Applicable styles'),
    ];
    return $fields;
  }

  /**
   * {@inheritdoc}
   */
  public function getIds() {
    return [
      'bid' => [
        'type' => 'integer',
        'alias' => 'b',
      ],
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function prepareRow(Row $row) {

    /**
     * As explained above, we need to pull the style relationships into our
     * source row here, as an array of 'style' values (the unique ID for
     * the beer_term migration).
     */
    $terms = $this
      ->select('migrate_example_beer_topic_node', 'bt')
      ->fields('bt', [
      'style',
    ])
      ->condition('bid', $row
      ->getSourceProperty('bid'))
      ->execute()
      ->fetchCol();
    $row
      ->setSourceProperty('terms', $terms);

    // As we did for favorite beers in the user migration, we need to explode
    // the multi-value country names.
    if ($value = $row
      ->getSourceProperty('countries')) {
      $row
        ->setSourceProperty('countries', explode('|', $value));
    }
    return parent::prepareRow($row);
  }

}

Members

Namesort descending Modifiers Type Description Overrides
BeerNode::fields public function Returns available fields on the source. Overrides MigrateSourceInterface::fields
BeerNode::getIds public function Defines the source fields uniquely identifying a source row. Overrides MigrateSourceInterface::getIds
BeerNode::prepareRow public function Adds additional data to the row. Overrides SourcePluginBase::prepareRow
BeerNode::query public function Overrides SqlBase::query
DependencySerializationTrait::$_entityStorages protected property An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_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
MessengerTrait::$messenger protected property The messenger. 29
MessengerTrait::messenger public function Gets the messenger. 29
MessengerTrait::setMessenger public function Sets the messenger.
PluginBase::$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 3
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::current public function
SourcePluginBase::doCount protected function Gets the source count checking if the source is countable or using the iterator_count function. 1
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. 1
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 The migration iterates over rows returned by the source plugin. This method determines the next row which will be processed and imported into the system.
SourcePluginBase::postRollback public function Performs post-rollback tasks. Overrides RollbackAwareInterface::postRollback
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::checkRequirements public function Checks if requirements for this plugin are OK. Overrides RequirementsInterface::checkRequirements 1
SqlBase::count public function Gets the source count. Overrides SourcePluginBase::count 6
SqlBase::create public static function Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create 1
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 20
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::__construct public function Constructs a \Drupal\Component\Plugin\PluginBase object. Overrides SourcePluginBase::__construct 3
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. 1
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.