StringLongItem.php

<?php

namespace Drupal\Core\Field\Plugin\Field\FieldType;

use Drupal\Component\Utility\Random;
use Drupal\Core\Field\Attribute\FieldType;
use Drupal\Core\Field\FieldDefinitionInterface;
use Drupal\Core\Field\FieldStorageDefinitionInterface;
use Drupal\Core\StringTranslation\TranslatableMarkup;

/**
 * Defines the 'string_long' field type.
 */
class StringLongItem extends StringItemBase {
  
  /**
   * {@inheritdoc}
   */
  public static function schema(FieldStorageDefinitionInterface $field_definition) {
    return [
      'columns' => [
        'value' => [
          'type' => $field_definition->getSetting('case_sensitive') ? 'blob' : 'text',
          'size' => 'big',
        ],
      ],
    ];
  }
  
  /**
   * {@inheritdoc}
   */
  public static function generateSampleValue(FieldDefinitionInterface $field_definition) {
    $random = new Random();
    $values['value'] = $random->paragraphs();
    return $values;
  }

}