Class yii\elasticsearch\ActiveDataProvider

                public function getAggregation($name)
{
    $aggregations = $this->getAggregations();
    if (!isset($aggregations[$name])) {
        throw new InvalidCallException("Aggregation '{$name}' does not present.");
    }
    return $aggregations[$name];
}

            

                public function getAggregations()
{
    $results = $this->getQueryResults();
    return isset($results['aggregations']) ? $results['aggregations'] : [];
}

            

                public function getQueryResults()
{
    if (!is_array($this->_queryResults)) {
        $this->prepare();
    }
    return $this->_queryResults;
}

            

                protected function prepareKeys($models)
{
    $keys = [];
    if ($this->key !== null) {
        foreach ($models as $model) {
            if (is_string($this->key)) {
                $keys[] = $model[$this->key];
            } else {
                $keys[] = call_user_func($this->key, $model);
            }
        }
        return $keys;
    } elseif ($this->query instanceof ActiveQueryInterface) {
        /* @var $class \yii\db\ActiveRecord */
        $class = $this->query->modelClass;
        $pks = $class::primaryKey();
        if (!is_array($pks) || count($pks) === 1) {
            foreach ($models as $model) {
                $keys[] = $model->primaryKey;
            }
        } else {
            foreach ($models as $model) {
                $kk = [];
                foreach ($pks as $pk) {
                    $kk[$pk] = $model[$pk];
                }
                $keys[] = $kk;
            }
        }
        return $keys;
    } else {
        return array_keys($models);
    }
}

            

                protected function prepareModels()
{
    if (!$this->query instanceof Query) {
        throw new InvalidConfigException('The "query" property must be an instance "' . Query::className() . '" or its subclasses.');
    }
    $query = clone $this->query;
    if (($pagination = $this->getPagination()) !== false) {
        // pagination fails to validate page number, because total count is unknown at this stage
        $pagination->validatePage = false;
        $query->limit($pagination->getLimit())->offset($pagination->getOffset());
    }
    if (($sort = $this->getSort()) !== false) {
        $query->addOrderBy($sort->getOrders());
    }
    if (is_array(($results = $query->search($this->db)))) {
        $this->setQueryResults($results);
        if ($pagination !== false) {
            $pagination->totalCount = $this->getTotalCount();
        }
        return $results['hits']['hits'];
    }
    $this->setQueryResults([]);
    return [];
}

            

                protected function prepareTotalCount()
{
    if (!$this->query instanceof Query) {
        throw new InvalidConfigException('The "query" property must be an instance "' . Query::className() . '" or its subclasses.');
    }
    $results = $this->getQueryResults();
    return isset($results['hits']['total']) ? (int)$results['hits']['total'] : 0;
}

            

                public function refresh()
{
    parent::refresh();
    $this->_queryResults = null;
}

            

                public function setQueryResults($results)
{
    $this->_queryResults = $results;
}