/**
* {@inheritdoc}
*/
public function writeLine($content)
{
$size = fwrite($this->getResource(), $content . $this->lineBreak);
if (false === $size) {
ResourceErrorException::writingFailed($this->getResource());
}
return $this;
}
/**
* Closes bound resource if exists.
*
* @return Worker Current instance
*
* @throws ResourceErrorException If resource could not be closed
*/
public function close()
{
if (null !== $this->resource) {
if (fclose($this->resource)) {
$this->resource = null;
} else {
throw ResourceErrorException::closingFailed($this->resource);
}
}
return $this;
}
