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<?php
namespace Elastica\Aggregation;
/**
* Class AbstractTermsAggergation.
*/
abstract class AbstractTermsAggregation extends AbstractSimpleAggregation
{
/**
* Set the minimum number of documents in which a term must appear in order to be returned in a bucket.
*
* @param int $count
*
* @return $this
*/
public function setMinimumDocumentCount($count)
{
return $this->setParam('min_doc_count', $count);
}
/**
* Filter documents to include based on a regular expression.
*
* @param string $pattern a regular expression
* @param string $flags Java Pattern flags
*
* @return $this
*/
public function setInclude($pattern, $flags = null)
{
if (is_null($flags)) {
return $this->setParam('include', $pattern);
}
return $this->setParam('include', array(
'pattern' => $pattern,
'flags' => $flags,
));
}
/**
* Filter documents to exclude based on a regular expression.
*
* @param string $pattern a regular expression
* @param string $flags Java Pattern flags
*
* @return $this
*/
public function setExclude($pattern, $flags = null)
{
if (is_null($flags)) {
return $this->setParam('exclude', $pattern);
}
return $this->setParam('exclude', array(
'pattern' => $pattern,
'flags' => $flags,
));
}
/**
* Sets the amount of terms to be returned.
*
* @param int $size The amount of terms to be returned.
*
* @return $this
*/
public function setSize($size)
{
return $this->setParam('size', $size);
}
/**
* Sets how many terms the coordinating node will request from each shard.
*
* @param int $shard_size The amount of terms to be returned.
*
* @return $this
*/
public function setShardSize($shard_size)
{
return $this->setParam('shard_size', $shard_size);
}
/**
* Instruct Elasticsearch to use direct field data or ordinals of the field values to execute this aggregation.
* The execution hint will be ignored if it is not applicable.
*
* @param string $hint map or ordinals
*
* @return $this
*/
public function setExecutionHint($hint)
{
return $this->setParam('execution_hint', $hint);
}
}
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