Examples of java.rmi.activation.UnknownObjectException

java.rmi.activation.UnknownObjectException
An UnknownObjectException is thrown by methods of classes and interfaces in the java.rmi.activation package when the ActivationID parameter to the method is determined to be invalid. An ActivationID is invalid if it is not currently known by the ActivationSystem. An ActivationID is obtained by the ActivationSystem.registerObject method. An ActivationID is also obtained during the Activatable.register call. @version 1.12, 11/17/05 @author Ann Wollrath @since 1.2 @see java.rmi.activation.Activatable @see java.rmi.activation.ActivationGroup @see java.rmi.activation.ActivationID @see java.rmi.activation.ActivationMonitor @see java.rmi.activation.ActivationSystem @see java.rmi.activation.Activator

    public boolean inactiveObject(ActivationID id) throws ActivationException,
            UnknownObjectException, RemoteException {
        ActiveObject ao = (ActiveObject) active_objects.get(id);
        if (ao == null) {
            // rmi.93=Object was not registered or already deactivated.
            throw new UnknownObjectException(Messages.getString("rmi.93")); //$NON-NLS-1$
        }


        Activatable.unexportObject(ao.getImpl(), false);
        super.inactiveObject(id);
        active_objects.remove(id);

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                .get(agid);
        ActivationDesc adesc = info.getActivationDesc(aID);


        if (adesc == null) {
            // rmi.31=No ActivationDesc for ActivationID {0}
            throw new UnknownObjectException(Messages.getString("rmi.31", aID)); //$NON-NLS-1$
        }
        return adesc;
    }

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        waitStartup();
        ActivationGroupInfo agi = (ActivationGroupInfo) groupInfoByGroupId
                .get(agid);
        if (agi == null) {
            // rmi.32=No ActivationGroupDesc for ActivationGroupID {0}
            throw new UnknownObjectException(Messages.getString("rmi.32", agid)); //$NON-NLS-1$
        }
        return agi.getActivationGroupDesc();
    }

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        private ObjectEntry getObjectEntry(ActivationID id)
            throws UnknownObjectException
        {
            if (removed) {
                throw new UnknownObjectException("object's group removed");
            }
            ObjectEntry objEntry = objects.get(id);
            if (objEntry == null) {
                throw new UnknownObjectException("object unknown");
            }
            return objEntry;
        }

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                     ActivationInstantiator inst)
            throws RemoteException, ActivationException
        {
            MarshalledObject<? extends Remote> nstub = stub;
            if (removed) {
                throw new UnknownObjectException("object removed");
            } else if (!force && nstub != null) {
                return nstub;
            }


            nstub = inst.newInstance(id, desc);

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            ActivationGroupID groupID = idTable.get(id);
            if (groupID != null) {
                return groupID;
            }
        }
        throw new UnknownObjectException("unknown object: " + id);
    }

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            GroupEntry entry = groupTable.get(gid);
            if (entry != null) {
                return entry;
            }
        }
        throw new UnknownObjectException("object's group removed");
    }

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public class UnknownObjectExceptionTest extends TestCase {
    /**
     * Test method for {@link java.rmi.activation.UnknownObjectException#UnknownObjectException(java.lang.String)}.
     */
    public void testUnknownObjectException() {
        UnknownObjectException e = new UnknownObjectException("fixture");
        assertEquals("fixture", e.getMessage());
        assertNull(e.getCause());
        assertNull(e.detail);
        try {
            e.initCause(new NullPointerException());
            fail("did not throw illegal state exception");
        } catch (IllegalStateException ise) {
        }
    }

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    }
    entry = (ActiveEntry) active.get(id);
      }
      if (entry == null) {
    // REMIND: should this be silent?
    throw new UnknownObjectException("object not active");
      }


      try {
    if (!Activatable.unexportObject(entry.impl, false)) {
        return false;

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    }
    entry = (ActiveEntry) active.get(id);
      }
      if (entry == null) {
    // REMIND: should this be silent?
    throw new UnknownObjectException("object not active");
      }


      if (!exporter.unexport(false)) {
    return false;
      }

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