/**
* Build the new document to just contain keys which have a mapping in the new properties. To clean
* out any old fields that we no longer use.
* @param array() $result original document retrieved from a search
* @param array() $properties mapping properties
* @return Document
*/
public function buildNewDocument($result, $properties)
{
// Build the new document to just contain keys which have a mapping in the new properties. To clean
// out any old fields that we no longer use.
$data = Util::cleanUnusedFields($result->getSource(), $properties);
// Note that while setting the opType to create might improve performance slightly it can cause
// trouble if the scroll returns the same id twice. It can do that if the document is updated
// during the scroll process. I'm unclear on if it will always do that, so you still have to
// perform the date based catch up after the reindex.
return new Document($result->getId(), $data);
}
/**
* @dataProvider cleanUnusedFieldsProvider
*/
public function testCleanUnusedFields($data, $properties, $expect)
{
$result = Util::cleanUnusedFields($data, $properties);
$this->assertArrayEquals($result, $expect);
}
