public static DatabaseArgs getArgs(
String uri, long firstRecordIndex, long numRecords, boolean reading, boolean writing)
throws IOException, ClassNotFoundException {
DataInputStream in = new DataInputStream(new FileInputStream(uri));
Util.skipFully((DataInput) in, 16);
Configuration conf = Configuration.load(in);
in.close();
return getArgs(uri, conf, firstRecordIndex, numRecords, reading, writing);
}
public static int skipHeader(DataInput in) throws IOException {
Util.skipFully(in, 16);
int confLength = in.readInt();
Util.skipFully(in, confLength);
return 20 + confLength;
}