--- /dev/null
+<?php
+
+namespace Drupal\tracker\Plugin\migrate\source\d7;
+
+use Drupal\migrate_drupal\Plugin\migrate\source\DrupalSqlBase;
+
+/**
+ * Drupal 7 tracker node source from database.
+ *
+ * @MigrateSource(
+ * id = "d7_tracker_node",
+ * source_provider = "tracker"
+ * )
+ */
+class TrackerNode extends DrupalSqlBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public function query() {
+ return $this->select('tracker_node', 'tn')->fields('tn');
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function fields() {
+ return [
+ 'nid' => $this->t('The {node}.nid this record tracks.'),
+ 'published' => $this->t('Boolean indicating whether the node is published.'),
+ 'changed' => $this->t('The Unix timestamp when the node was most recently saved or commented on.'),
+ ];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getIds() {
+ $ids['nid']['type'] = 'integer';
+ return $ids;
+ }
+
+}