author = $author; } public function getAuthor() { return $this->author; } public function setProcessingState($processingState) { $this->processingState = $processingState; } public function getProcessingState() { return $this->processingState; } public function setTitle($title) { $this->title = $title; } public function getTitle() { return $this->title; } public function setVolumeId($volumeId) { $this->volumeId = $volumeId; } public function getVolumeId() { return $this->volumeId; } }