/**
* Add a sub-aggregation
* @throws \Elastica\Exception\InvalidException
*
* @param AbstractAggregation $aggregation
* @return $this
*/
public function addAggregation(AbstractAggregation $aggregation)
{
if ($aggregation instanceof GlobalAggregation) {
throw new InvalidException('Global aggregators can only be placed as top level aggregators');
}
$this->_aggs[$aggregation->getName()] = $aggregation->toArray();
return $this;
}
/**
* @param string $name
* @param AbstractFilter $filter
*/
public function __construct($name, AbstractFilter $filter = null)
{
parent::__construct($name);
if ($filter !== null) {
$this->setFilter($filter);
}
}
/**
* @throws InvalidException If buckets path is not set
*
* @return array
*/
public function toArray()
{
if (!$this->hasParam('buckets_path')) {
throw new InvalidException('Buckets path is required');
}
return parent::toArray();
}
/**
* @return array
*/
public function toArray()
{
$array = parent::toArray();
// if there are no params, it's ok, but ES will throw exception if json
// will be like {"top_hits":[]} instead of {"top_hits":{}}
if (empty($array['top_hits'])) {
$array['top_hits'] = new \stdClass();
}
return $array;
}
/**
* {@inheritdoc}
*/
public function toArray()
{
$array = parent::toArray();
$baseName = $this->_getBaseName();
if (isset($array[$baseName]['script']) && is_array($array[$baseName]['script'])) {
$script = $array[$baseName]['script'];
unset($array[$baseName]['script']);
$array[$baseName] = array_merge($array[$baseName], $script);
}
return $array;
}
/**
* @param string $name
* @param AbstractQuery $filter
*/
public function __construct($name, $filter = null)
{
parent::__construct($name);
if ($filter !== null) {
if ($filter instanceof AbstractFilter) {
trigger_error('Deprecated: Elastica\\Aggregation\\Filter passing filter as AbstractFilter is deprecated. Pass instance of AbstractQuery instead.', E_USER_DEPRECATED);
} elseif (!$filter instanceof AbstractQuery) {
throw new InvalidException('Filter must be instance of AbstractQuery');
}
$this->setFilter($filter);
}
}
/**
* {@inheritdoc}
*/
public function toArray()
{
if (!$this->hasParam('field') && !$this->hasParam('script')) {
throw new InvalidException('Either the field param or the script param should be set');
}
$array = parent::toArray();
$baseName = $this->_getBaseName();
if (isset($array[$baseName]['script']) && is_array($array[$baseName]['script'])) {
$script = $array[$baseName]['script'];
unset($array[$baseName]['script']);
$array[$baseName] = array_merge($array[$baseName], $script);
}
return $array;
}
/**
* @param string $name the name if this aggregation
* @param string $field the field on which to perform this aggregation
* @param string|array $origin the point from which distances will be calculated
*/
public function __construct($name, $field, $origin)
{
parent::__construct($name);
$this->setField($field)->setOrigin($origin);
}
/**
* @param string $name the name of this aggregation
* @param string $field the field on which to perform this aggregation
*/
public function __construct($name, $field)
{
parent::__construct($name);
$this->setField($field);
}
/**
* Adds an Aggregation to the query
*
* @param AbstractAggregation $agg
* @return \Elastica\Query Query object
*/
public function addAggregation(AbstractAggregation $agg)
{
if (!array_key_exists('aggs', $this->_params)) {
$this->_params['aggs'] = array();
}
$this->_params['aggs'][$agg->getName()] = $agg->toArray();
return $this;
}
