diff core/modules/migrate/src/Plugin/MigrateIdMapInterface.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/migrate/src/Plugin/MigrateIdMapInterface.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,286 @@
+<?php
+
+namespace Drupal\migrate\Plugin;
+
+use Drupal\Component\Plugin\PluginInspectionInterface;
+use Drupal\migrate\MigrateMessageInterface;
+use Drupal\migrate\Row;
+
+/**
+ * Defines an interface for migrate ID mappings.
+ *
+ * Migrate ID mappings maintain a relation between source ID and destination ID
+ * for audit and rollback purposes.
+ */
+interface MigrateIdMapInterface extends \Iterator, PluginInspectionInterface {
+
+  /**
+   * Codes reflecting the current status of a map row.
+   */
+  const STATUS_IMPORTED = 0;
+  const STATUS_NEEDS_UPDATE = 1;
+  const STATUS_IGNORED = 2;
+  const STATUS_FAILED = 3;
+
+  /**
+   * Codes reflecting how to handle the destination item on rollback.
+   */
+  const ROLLBACK_DELETE = 0;
+  const ROLLBACK_PRESERVE = 1;
+
+  /**
+   * Saves a mapping from the source identifiers to the destination identifiers.
+   *
+   * Called upon import of one row, we record a mapping from the source ID to
+   * the destination ID. Also may be called, setting the third parameter to
+   * NEEDS_UPDATE, to signal an existing record should be re-migrated.
+   *
+   * @param \Drupal\migrate\Row $row
+   *   The raw source data. We use the ID map derived from the source object
+   *   to get the source identifier values.
+   * @param array $destination_id_values
+   *   An array of destination identifier values.
+   * @param int $status
+   *   (optional) Status of the source row in the map. Defaults to
+   *   self::STATUS_IMPORTED.
+   * @param int $rollback_action
+   *   (optional) How to handle the destination object on rollback. Defaults to
+   *   self::ROLLBACK_DELETE.
+   */
+  public function saveIdMapping(Row $row, array $destination_id_values, $status = self::STATUS_IMPORTED, $rollback_action = self::ROLLBACK_DELETE);
+
+  /**
+   * Saves a message related to a source record in the migration message table.
+   *
+   * @param array $source_id_values
+   *   The source identifier keyed values of the record, e.g. ['nid' => 5].
+   * @param string $message
+   *   The message to record.
+   * @param int $level
+   *   (optional) The message severity. Defaults to
+   *   MigrationInterface::MESSAGE_ERROR.
+   */
+  public function saveMessage(array $source_id_values, $message, $level = MigrationInterface::MESSAGE_ERROR);
+
+  /**
+   * Retrieves an iterator over messages relate to source records.
+   *
+   * @param array $source_id_values
+   *   (optional) The source identifier keyed values of the record, e.g.
+   *   ['nid' => 5]. If empty (the default), all messages are retrieved.
+   * @param int $level
+   *   (optional) Message severity. If NULL (the default), retrieve messages of
+   *   all severities.
+   *
+   * @return \Iterator
+   *   Retrieves an iterator over the message rows.
+   */
+  public function getMessageIterator(array $source_id_values = [], $level = NULL);
+
+  /**
+   * Prepares to run a full update.
+   *
+   * Prepares this migration to run as an update - that is, in addition to
+   * unmigrated content (source records not in the map table) being imported,
+   * previously-migrated content will also be updated in place by marking all
+   * previously-imported content as ready to be re-imported.
+   */
+  public function prepareUpdate();
+
+  /**
+   * Returns the number of processed items in the map.
+   *
+   * @return int
+   *   The count of records in the map table.
+   */
+  public function processedCount();
+
+  /**
+   * Returns the number of imported items in the map.
+   *
+   * @return int
+   *   The number of imported items.
+   */
+  public function importedCount();
+
+
+  /**
+   * Returns a count of items which are marked as needing update.
+   *
+   * @return int
+   *   The number of items which need updating.
+   */
+  public function updateCount();
+
+  /**
+   * Returns the number of items that failed to import.
+   *
+   * @return int
+   *   The number of items that errored out.
+   */
+  public function errorCount();
+
+  /**
+   * Returns the number of messages saved.
+   *
+   * @return int
+   *   The number of messages.
+   */
+  public function messageCount();
+
+  /**
+   * Deletes the map and message entries for a given source record.
+   *
+   * @param array $source_id_values
+   *   The source identifier keyed values of the record, e.g. ['nid' => 5].
+   * @param bool $messages_only
+   *   (optional) TRUE to only delete the migrate messages. Defaults to FALSE.
+   */
+  public function delete(array $source_id_values, $messages_only = FALSE);
+
+  /**
+   * Deletes the map and message table entries for a given destination row.
+   *
+   * @param array $destination_id_values
+   *   The destination identifier key value pairs we should do the deletes for.
+   */
+  public function deleteDestination(array $destination_id_values);
+
+  /**
+   * Clears all messages from the map.
+   */
+  public function clearMessages();
+
+  /**
+   * Retrieves a row from the map table based on source identifier values.
+   *
+   * @param array $source_id_values
+   *   The source identifier keyed values of the record, e.g. ['nid' => 5].
+   *
+   * @return array
+   *   The raw row data as an associative array.
+   */
+  public function getRowBySource(array $source_id_values);
+
+  /**
+   * Retrieves a row by the destination identifiers.
+   *
+   * @param array $destination_id_values
+   *   The destination identifier keyed values of the record, e.g. ['nid' => 5].
+   *
+   * @return array
+   *   The row(s) of data.
+   */
+  public function getRowByDestination(array $destination_id_values);
+
+  /**
+   * Retrieves an array of map rows marked as needing update.
+   *
+   * @param int $count
+   *   The maximum number of rows to return.
+   *
+   * @return array
+   *   Array of map row objects that need updating.
+   */
+  public function getRowsNeedingUpdate($count);
+
+  /**
+   * Looks up the source identifier.
+   *
+   * Given a (possibly multi-field) destination identifier value, return the
+   * (possibly multi-field) source identifier value mapped to it.
+   *
+   * @param array $destination_id_values
+   *   The destination identifier keyed values of the record, e.g. ['nid' => 5].
+   *
+   * @return array
+   *   The source identifier keyed values of the record, e.g. ['nid' => 5], or
+   *   an empty array on failure.
+   */
+  public function lookupSourceID(array $destination_id_values);
+
+  /**
+   * Looks up the destination identifier corresponding to a source key.
+   *
+   * Given a (possibly multi-field) source identifier value, return the
+   * (possibly multi-field) destination identifier value it is mapped to.
+   *
+   * @param array $source_id_values
+   *   The source identifier keyed values of the record, e.g. ['nid' => 5].
+   *
+   * @return array
+   *   The destination identifier values of the record, or empty on failure.
+   *
+   * @deprecated in Drupal 8.1.x, will be removed before Drupal 9.0.x. Use
+   *   lookupDestinationIds() instead.
+   *
+   * @see https://www.drupal.org/node/2725809
+   */
+  public function lookupDestinationId(array $source_id_values);
+
+  /**
+   * Looks up the destination identifiers corresponding to a source key.
+   *
+   * This can look up a subset of source keys if only some are provided, and
+   * will return all destination keys that match.
+   *
+   * @param array $source_id_values
+   *   The source identifier keyed values of the records, e.g. ['nid' => 5].
+   *   If unkeyed, the first count($source_id_values) keys will be assumed.
+   *
+   * @return array
+   *   An array of arrays of destination identifier values.
+   *
+   * @throws \Drupal\migrate\MigrateException
+   *   Thrown when $source_id_values contains unknown keys, or is the wrong
+   *   length.
+   */
+  public function lookupDestinationIds(array $source_id_values);
+
+  /**
+   * Looks up the destination identifier currently being iterated.
+   *
+   * @return array
+   *   The destination identifier values of the record, or NULL on failure.
+   */
+  public function currentDestination();
+
+  /**
+   * Looks up the source identifier(s) currently being iterated.
+   *
+   * @return array
+   *   The source identifier values of the record, or NULL on failure.
+   */
+  public function currentSource();
+
+  /**
+   * Removes any persistent storage used by this map.
+   *
+   * For example, remove the map and message tables.
+   */
+  public function destroy();
+
+  /**
+   * Gets the qualified map table.
+   *
+   * @todo Remove this as this is SQL only and so doesn't belong to the interface.
+   */
+  public function getQualifiedMapTableName();
+
+  /**
+   * Sets the migrate message service.
+   *
+   * @param \Drupal\migrate\MigrateMessageInterface $message
+   *   The migrate message service.
+   */
+  public function setMessage(MigrateMessageInterface $message);
+
+  /**
+   * Sets a specified record to be updated, if it exists.
+   *
+   * @param array $source_id_values
+   *   The source identifier values of the record.
+   */
+  public function setUpdate(array $source_id_values);
+
+}