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<?php namespace Nord\Lumen\Elasticsearch\Search\Aggregation;
use Illuminate\Contracts\Support\Arrayable;
/**
* The aggregations framework helps provide aggregated data based on a search query. It is based on simple building
* blocks called aggregations, that can be composed in order to build complex summaries of the data.
*
* An aggregation can be seen as a unit-of-work that builds analytic information over a set of documents. The context of
* the execution defines what this document set is (e.g. a top-level aggregation executes within the context of the
* executed query/filters of the search request).
* There are many different types of aggregations, each with its own purpose and output. To better understand these
* types, it is often easier to break them into three main families:
* - "Bucketing"
* A family of aggregations that build buckets, where each bucket is associated with a key and a document criterion.
* When the aggregation is executed, all the buckets criteria are evaluated on every document in the context and when a
* criterion matches, the document is considered to "fall in" the relevant bucket. By the end of the aggregation
* process, we’ll end up with a list of buckets - each one with a set of documents that "belong" to it.
* - "Metric"
* Aggregations that keep track and compute metrics over a set of documents.
* - "Pipeline"
* Aggregations that aggregate the output of other aggregations and their associated metrics
* @see https://www.elastic.co/guide/en/elasticsearch/reference/current/search-aggregations.html
*/
abstract class Aggregation implements Arrayable
{
* @var string
private $name;
* @return string
public function getName()
return $this->name;
}
* @param string $name
* @return $this
public function setName($name)
$this->name = $name;
return $this;
digiaonline /
lumen-elasticsearch
