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<?php
namespace Wikimedia\WRStats;
/**
* Base class for entity keys. An entity key is an array of storage key
* components which can be used to distinguish stats with the same metric name.
* The entity key object also carries a global flag which is passed through to
* the store.
*
* @since 1.39
*/
abstract class EntityKey {
/** @var array */
private $components;
/**
* @param array $components Array of elements, each convertible to string.
*/
public function __construct( array $components = [] ) {
$this->components = $components;
}
/**
* @return array
*/
public function getComponents() {
return $this->components;
}
/**
* @return bool
*/
abstract public function isGlobal();
}
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