/** Find all reapable sign messages */
private void findReapableMessages() {
Iterator<SignMessage> it = SignMessageHelper.iterator();
while (it.hasNext()) {
SignMessage sm = it.next();
if (sm instanceof SignMessageImpl) reapable.add((SignMessageImpl) sm);
}
}
/** Reap one sign message */
private void reapMessage(SignMessageImpl sm) {
// Make sure the message has not already been
// reaped by looking it up in the namespace.
// This is needed because objects are removed
// asynchronously from the namespace.
SignMessage m = SignMessageHelper.lookup(sm.getName());
if ((m == sm) && !isReferenced(m)) sm.notifyRemove();
}