/** Read raw bytes from a SequenceFile. */
public synchronized boolean nextKeyValue() throws IOException, InterruptedException {
if (done) {
return false;
}
long pos = in.getPosition();
key.set(pos);
info.setPosition(pos);
boolean eof = -1 == in.nextRawKey(buffer);
if (!eof) {
in.nextRawValue(vbytes);
value.set(
buffer.getLength(), vbytes.getSize(), (int) (in.getPosition() - pos), in.syncSeen());
}
buffer.reset();
return !(done = (eof || (pos >= end && in.syncSeen())));
}
