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1 <?php
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2
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3 namespace Drupal\migrate;
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4
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5 use Drupal\Core\Plugin\PluginBase;
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6 use Drupal\migrate\Plugin\MigrateProcessInterface;
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7
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8 /**
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9 * The base class for all migrate process plugins.
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10 *
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11 * Migrate process plugins are taking a value and transform them. For example,
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12 * transform a human provided name into a machine name, look up an identifier
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13 * in a previous migration and so on.
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14 *
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15 * @see https://www.drupal.org/node/2129651
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16 * @see \Drupal\migrate\Plugin\MigratePluginManager
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17 * @see \Drupal\migrate\Plugin\MigrateProcessInterface
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18 * @see \Drupal\migrate\Annotation\MigrateProcessPlugin
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19 * @see plugin_api
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20 *
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21 * @ingroup migration
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22 */
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23 abstract class ProcessPluginBase extends PluginBase implements MigrateProcessInterface {
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24
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25 /**
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26 * {@inheritdoc}
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27 */
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28 public function transform($value, MigrateExecutableInterface $migrate_executable, Row $row, $destination_property) {
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29 // Do not call this method from children.
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30 if (isset($this->configuration['method'])) {
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31 if (method_exists($this, $this->configuration['method'])) {
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32 return $this->{$this->configuration['method']}($value, $migrate_executable, $row, $destination_property);
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33 }
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34 throw new \BadMethodCallException(sprintf('The %s method does not exist in the %s plugin.', $this->configuration['method'], $this->pluginId));
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35 }
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36 else {
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37 throw new \BadMethodCallException(sprintf('The "method" key in the plugin configuration must to be set for the %s plugin.', $this->pluginId));
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38 }
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39 }
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40
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41 /**
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42 * {@inheritdoc}
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43 */
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44 public function multiple() {
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45 return FALSE;
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46 }
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47
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48 }
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