/**
* Removes the associated tie from an internal table and calls {@link Tie#deactivate} to
* deactivate the object.
*
* @param target the object to unexport.
*/
public void unexportObject(java.rmi.Remote target) throws java.rmi.NoSuchObjectException {
synchronized (exportedServants) {
Tie cachedTie = lookupTie(target);
if (cachedTie != null) {
exportedServants.remove(target);
Utility.purgeStubForTie(cachedTie);
Utility.purgeTieAndServant(cachedTie);
try {
cleanUpTie(cachedTie);
} catch (BAD_OPERATION e) {
// ignore
} catch (org.omg.CORBA.OBJ_ADAPTER e) {
// This can happen when the target was never associated with a POA.
// We can safely ignore this case.
}
// Is it time to shut down our keep alive thread?
if (exportedServants.isEmpty()) {
keepAlive.quit();
keepAlive = null;
}
} else {
throw new java.rmi.NoSuchObjectException("Tie not found");
}
}
}
/** An unsynchronized version of getTie() for internal use. */
private static Tie lookupTie(Remote target) {
Tie result = (Tie) exportedServants.get(target);
if (result == null && target instanceof Tie) {
if (exportedServants.contains(target)) {
result = (Tie) target;
}
}
return result;
}
/**
* Registers a target for a tie. Adds the tie to an internal table and calls {@link Tie#setTarget}
* on the tie object.
*
* @param tie the tie to register.
* @param target the target for the tie.
*/
public void registerTarget(javax.rmi.CORBA.Tie tie, java.rmi.Remote target) {
synchronized (exportedServants) {
// Do we already have this target registered?
if (lookupTie(target) == null) {
// No, so register it and set the target...
exportedServants.put(target, tie);
tie.setTarget(target);
// Do we need to instantiate our keep-alive thread?
if (keepAlive == null) {
// Yes. Instantiate our keep-alive thread and start
// it up...
keepAlive =
(KeepAlive)
AccessController.doPrivileged(
new PrivilegedAction() {
public java.lang.Object run() {
return new KeepAlive();
}
});
keepAlive.start();
}
}
}
}
// Used by TOAFactory.shutdown to unexport all targets for this
// particular ORB. This happens during ORB shutdown.
public void unregisterTargetsForORB(org.omg.CORBA.ORB orb) {
for (Enumeration e = exportedServants.keys(); e.hasMoreElements(); ) {
java.lang.Object key = e.nextElement();
Remote target = (Remote) (key instanceof Tie ? ((Tie) key).getTarget() : key);
// Bug 4476347: BAD_OPERATION is thrown if the ties delegate isn't set.
// We can ignore this because it means the tie is not connected to an ORB.
try {
if (orb == getTie(target).orb()) {
try {
unexportObject(target);
} catch (java.rmi.NoSuchObjectException ex) {
// We neglect this exception if at all if it is
// raised. It is not harmful.
}
}
} catch (BAD_OPERATION bad) {
/* Ignore */
}
}
}
