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<?php
namespace Elastica;
use Elastica\Exception\NotImplementedException;
use Elastica\Suggest\AbstractSuggest;
/**
* Class Suggest.
*
* @link https://www.elastic.co/guide/en/elasticsearch/reference/current/search-suggesters.html
*/
class Suggest extends Param
{
/**
* @param AbstractSuggest $suggestion
*/
public function __construct(AbstractSuggest $suggestion = null)
{
if (!is_null($suggestion)) {
$this->addSuggestion($suggestion);
}
}
/**
* Set the global text for this suggester.
*
* @param string $text
*
* @return $this
*/
public function setGlobalText($text)
{
return $this->setParam('text', $text);
}
/**
* Add a suggestion to this suggest clause.
*
* @param AbstractSuggest $suggestion
*
* @return $this
*/
public function addSuggestion(AbstractSuggest $suggestion)
{
return $this->addParam('suggestion', $suggestion);
}
/**
* @param Suggest|AbstractSuggest $suggestion
*
* @throws Exception\NotImplementedException
*
* @return self
*/
public static function create($suggestion)
{
switch (true) {
case $suggestion instanceof self:
return $suggestion;
case $suggestion instanceof AbstractSuggest:
return new self($suggestion);
}
throw new NotImplementedException();
}
/**
* {@inheritdoc}
*/
public function toArray()
{
$array = parent::toArray();
$baseName = $this->_getBaseName();
if (isset($array[$baseName]['suggestion'])) {
$suggestion = $array[$baseName]['suggestion'];
unset($array[$baseName]['suggestion']);
foreach ($suggestion as $key => $value) {
$array[$baseName][$key] = $value;
}
}
return $array;
}
}
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