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<?php
namespace FOQ\ElasticaBundle;
/**
* Deletes and recreates indexes
*/
class Resetter
{
protected $indexConfigsByName;
/**
* Constructor.
*
* @param array $indexConfigsByName
*/
public function __construct(array $indexConfigsByName)
{
$this->indexConfigsByName = $indexConfigsByName;
}
/**
* Deletes and recreates all indexes
*/
public function resetAllIndexes()
{
foreach ($this->indexConfigsByName as $indexConfig) {
$indexConfig['index']->create($indexConfig['config'], true);
}
}
/**
* Deletes and recreates the named index
*
* @param string $indexName
* @throws InvalidArgumentException if no index exists for the given name
*/
public function resetIndex($indexName)
{
$indexConfig = $this->getIndexConfig($indexName);
$indexConfig['index']->create($indexConfig['config'], true);
}
/**
* Deletes and recreates a mapping type for the named index
*
* @param string $indexName
* @param string $typeName
* @throws InvalidArgumentException if no index or type mapping exists for the given names
*/
public function resetIndexType($indexName, $typeName)
{
$indexConfig = $this->getIndexConfig($indexName);
if (!isset($indexConfig['config']['mappings'][$typeName]['properties'])) {
throw new \InvalidArgumentException(sprintf('The mapping for index "%s" and type "%s" does not exist.', $indexName, $typeName));
}
$type = $indexConfig['index']->getType($typeName);
$type->delete();
$mapping = $this->createMapping($indexConfig['config']['mappings'][$typeName]);
$type->setMapping($mapping);
}
/**
* create type mapping object
*
* @param array $indexConfig
* @return Elastica_Type_Mapping
*/
protected function createMapping($indexConfig)
{
$mapping = \Elastica_Type_Mapping::create($indexConfig['properties']);
foreach($indexConfig['properties'] as $field => $type) {
if (!empty($type['_parent']) && $type['_parent'] !== '~') {
$mapping->setParam('_parent', array('type' => $type['_parent']['type']));
}
}
return $mapping;
}
/**
* Gets an index config by its name
*
* @param string $index Index name
* @return array
* @throws InvalidArgumentException if no index config exists for the given name
*/
protected function getIndexConfig($indexName)
{
if (!isset($this->indexConfigsByName[$indexName])) {
throw new \InvalidArgumentException(sprintf('The configuration for index "%s" does not exist.', $indexName));
}
return $this->indexConfigsByName[$indexName];
}
}
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