/**
* Iterator: is pointer valid?
*
* @return bool
*/
public function valid()
{
if (is_array($this->buffer) && isset($this->buffer[$this->position])) {
return true;
}
if ($this->dataSource instanceof Iterator) {
return $this->dataSource->valid();
} else {
$key = key($this->dataSource);
return $key !== null;
}
}
/**
* Create current SiteInfo
*
* @return SiteInfo
*/
protected function createCurrentSiteInfo()
{
while ($this->queryResult->valid()) {
$data = $this->queryResult->current();
$current = $this->createSiteInfo($data);
$schema = $current->getSchema();
if (!empty($this->queriedSchemas[$schema])) {
$this->queryResult->next();
} else {
$this->queriedSchemas[$schema] = true;
return $this->setSiteInfo($this->currentSiteInfo = $current);
}
}
$this->currentSiteInfo = null;
return null;
}
/**
* @return bool
*/
function valid()
{
return $this->_result->valid();
}
