/**
* Log an update. Will flush to disk before returning.
*
* @param o Update argument
* @throws IllegalStateException if the current thread does not hold a non-exclusive mutator lock
* @throws IOException If errors accessing the file system occur
*/
public void update(Object o) throws IOException {
final Long lockStateVal = lockState.get();
if (lockStateVal == null || lockStateVal == 0)
throw new IllegalStateException(
"PersistentStrore.update:" + "Must acquire mutator lock before calling update()");
synchronized (this) {
log.update(o, true);
updateCount++;
snapshotHandler.updatePerformed(updateCount);
}
}
