/**
* Reindex documents from an old index to a new index.
*
* @link https://www.elastic.co/guide/en/elasticsearch/guide/master/reindex.html
*
* @param \Elastica\Index $oldIndex
* @param \Elastica\Index $newIndex
* @param array $options keys: CrossIndex::OPTION_* constants
*
* @return \Elastica\Index The new index object
*/
public static function reindex(Index $oldIndex, Index $newIndex, array $options = array())
{
// prepare search
$search = new Search($oldIndex->getClient());
$options = array_merge(array(self::OPTION_TYPE => null, self::OPTION_QUERY => new MatchAll(), self::OPTION_EXPIRY_TIME => '1m', self::OPTION_SIZE_PER_SHARD => 1000), $options);
$search->addIndex($oldIndex);
if (isset($options[self::OPTION_TYPE])) {
$type = $options[self::OPTION_TYPE];
$search->addTypes(is_array($type) ? $type : array($type));
}
$search->setQuery($options[self::OPTION_QUERY]);
// search on old index and bulk insert in new index
$scanAndScroll = new ScanAndScroll($search, $options[self::OPTION_EXPIRY_TIME], $options[self::OPTION_SIZE_PER_SHARD]);
foreach ($scanAndScroll as $resultSet) {
$bulk = new Bulk($newIndex->getClient());
$bulk->setIndex($newIndex);
foreach ($resultSet as $result) {
$action = new Bulk\Action();
$action->setType($result->getType());
$action->setId($result->getId());
$action->setSource($result->getData());
$bulk->addAction($action);
}
$bulk->send();
}
$newIndex->refresh();
return $newIndex;
}
/**
* @group unit
*/
public function testAction()
{
$action = new Action();
$this->assertEquals('index', $action->getOpType());
$this->assertFalse($action->hasSource());
$expected = '{"index":{}}' . "\n";
$this->assertEquals($expected, $action->toString());
$action->setIndex('index');
$expected = '{"index":{"_index":"index"}}' . "\n";
$this->assertEquals($expected, $action->toString());
$action->setType('type');
$expected = '{"index":{"_index":"index","_type":"type"}}' . "\n";
$this->assertEquals($expected, $action->toString());
$action->setId(1);
$expected = '{"index":{"_index":"index","_type":"type","_id":1}}' . "\n";
$this->assertEquals($expected, $action->toString());
$action->setRouting(1);
$expected = '{"index":{"_index":"index","_type":"type","_id":1,"_routing":1}}' . "\n";
$this->assertEquals($expected, $action->toString());
$client = $this->_getClient();
$index = new Index($client, 'index2');
$type = new Type($index, 'type2');
$action->setIndex($index);
$expected = '{"index":{"_index":"index2","_type":"type","_id":1,"_routing":1}}' . "\n";
$this->assertEquals($expected, $action->toString());
$action->setType($type);
$expected = '{"index":{"_index":"index2","_type":"type2","_id":1,"_routing":1}}' . "\n";
$this->assertEquals($expected, $action->toString());
$action->setSource(array('user' => 'name'));
$expected = '{"index":{"_index":"index2","_type":"type2","_id":1,"_routing":1}}' . "\n";
$expected .= '{"user":"******"}' . "\n";
$this->assertEquals($expected, $action->toString());
$this->assertTrue($action->hasSource());
$this->assertFalse(Action::isValidOpType('foo'));
$this->assertTrue(Action::isValidOpType('delete'));
}
/**
* @param array $data
*
* @throws \Elastica\Exception\InvalidException
*
* @return $this
*/
public function addRawData(array $data)
{
foreach ($data as $row) {
if (is_array($row)) {
$opType = key($row);
$metadata = reset($row);
if (Action::isValidOpType($opType)) {
// add previous action
if (isset($action)) {
$this->addAction($action);
}
$action = new Action($opType, $metadata);
} elseif (isset($action)) {
$action->setSource($row);
$this->addAction($action);
$action = null;
} else {
throw new InvalidException('Invalid bulk data, source must follow action metadata');
}
} else {
throw new InvalidException('Invalid bulk data, should be array of array, Document or Bulk/Action');
}
}
// add last action if available
if (isset($action)) {
$this->addAction($action);
}
return $this;
}
/**
* @group unit
*/
public function testAddActions()
{
$client = $this->_getClient();
$bulk = new Bulk($client);
$action1 = new Action(Action::OP_TYPE_DELETE);
$action1->setIndex('index');
$action1->setType('type');
$action1->setId(1);
$action2 = new Action(Action::OP_TYPE_INDEX);
$action2->setIndex('index');
$action2->setType('type');
$action2->setId(1);
$action2->setSource(array('name' => 'Batman'));
$actions = array($action1, $action2);
$bulk->addActions($actions);
$getActions = $bulk->getActions();
$this->assertSame($action1, $getActions[0]);
$this->assertSame($action2, $getActions[1]);
}
