node_id ?? null; $metric = $this->metric ?? null; if (isset($node_id) && isset($metric)) { return "/_nodes/$node_id/usage/$metric"; } if (isset($node_id)) { return "/_nodes/$node_id/usage"; } if (isset($metric)) { return "/_nodes/usage/$metric"; } return "/_nodes/usage"; } public function getParamWhitelist(): array { return [ 'timeout' ]; } public function getMethod(): string { return 'GET'; } public function setNodeId($node_id): Usage { if (isset($node_id) !== true) { return $this; } if (is_array($node_id) === true) { $node_id = implode(",", $node_id); } $this->node_id = $node_id; return $this; } public function setMetric($metric): Usage { if (isset($metric) !== true) { return $this; } if (is_array($metric) === true) { $metric = implode(",", $metric); } $this->metric = $metric; return $this; } }