/**
*
* @param FileInterface $file
* @param array $columnPages [[(ColumnSchema)$columnPage, 'ASC'], [$columnPage2, 'DESC'], $columnPage3, ...]
* @throws ErrorException
*/
public function __construct(FileInterface $file, array $columnPages)
{
// rebuild array to have usable keys
$usedColumnSchemas = array();
foreach ($columnPages as $columnDataset) {
if (count($columnDataset) === 2) {
list($columnPage, $direction) = $columnDataset;
} elseif (count($columnDataset) === 1) {
$columnPage = current($columnDataset);
$direction = "ASC";
} elseif ($columnDataset instanceof ColumnSchema) {
$columnPage = $columnDataset;
$direction = "ASC";
} else {
throw new ErrorException("Invalid content in parameter \$columnPages!");
}
$direction = $direction === "ASC" ? "ASC" : "DESC";
if (!$columnPage instanceof ColumnSchema) {
throw new ErrorException("Given column-page is not subclass of 'ColumnSchema'!");
}
$usedColumnSchemas[] = [$columnPage, $direction];
}
$this->file = $file;
$this->columnPages = $usedColumnSchemas;
if ($file->getLength() <= 0) {
$file->setData(str_pad("", $this->getPageSize(), ""));
}
}
public function __construct(FileInterface $file)
{
$this->file = $file;
$this->filePageCount = ceil(self::HASHTABLE_SIZE / self::REFERENCE_SIZE);
$this->usedHashCharCount = ceil(log($this->filePageCount, 16));
$this->doublesBeginSeek = (int) (self::REFERENCE_SIZE * $this->filePageCount);
if ($file->getLength() <= 0) {
$this->clearAll();
}
}
public function setDoublesFile(FileInterface $file)
{
$this->doublesFile = $file;
if ($file->getLength() <= 0) {
$file->setData(str_pad("", $this->keyLength * 2, ""));
}
}
