private boolean checkKey(String key) {
if (key == null) {
throw new IllegalArgumentException("checkKey: key == null");
}
try {
return ((folderFileIndexes.getFolderIndex()
== Math.abs(
key.getBytes(TableManager.CODE_FORMAT)[0] % TableManager.NUMBER_OF_PARTITIONS)
&& folderFileIndexes.getFileIndex()
== Math.abs(
(key.getBytes(TableManager.CODE_FORMAT)[0] / TableManager.NUMBER_OF_PARTITIONS)
% TableManager.NUMBER_OF_PARTITIONS)));
} catch (UnsupportedEncodingException e) {
return false;
}
}
private Path makeAbsolutePath(Path tablePath, Coordinates folderFileIndexes) {
return tablePath.resolve(
Paths.get(
Integer.toString(folderFileIndexes.getFolderIndex()) + ".dir",
Integer.toString(folderFileIndexes.getFileIndex()) + ".dat"));
}