/** {@inheritDoc} */
@Override
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
nodeId = GridUtils.readUuid(in);
ver = CU.readVersion(in);
timeout = in.readLong();
threadId = in.readLong();
id = in.readLong();
short flags = in.readShort();
mask(OWNER, OWNER.get(flags));
mask(USED, USED.get(flags));
mask(TX, TX.get(flags));
ts = U.currentTimeMillis();
}
/** @return {@code True} if lock was released. */
public boolean used() {
return USED.get(flags());
}