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jeremybenn |
/* Activator.java --
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Copyright (c) 1996, 1997, 1998, 1999, 2004 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.rmi.activation;
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import java.rmi.MarshalledObject;
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import java.rmi.Remote;
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import java.rmi.RemoteException;
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/**
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* Activates remote object, providing the live reference to the activable remote
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* object. Usually there is only one activator per host.
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*
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* @see ActivationSystem
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* @see ActivationMonitor
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*/
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public interface Activator
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extends Remote
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{
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/**
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* Activate the object, associated with the given activation identifier. The
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* activator looks for the {@link ActivationDesc}riptor for the passed
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* identifier, determines the object activation group and initiates object
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* recreation either via {@link ActivationInstantiator} or via
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* {@link Class#newInstance()}.
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*
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* @param id the identifier of the object to activate.
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* @param force if true, the activator always contacts the group to obtain the
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* reference. If false, it may return the cached value.
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* @return the activated remote object (its stub).
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* @throws UnknownObjectException if the object with this id is unknown
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* @throws ActivationException if the activation has failed due other reason
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* @throws RemoteException if the remote call has failed.
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*/
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MarshalledObject<? extends Remote> activate (ActivationID id, boolean force)
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throws ActivationException, UnknownObjectException, RemoteException;
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}
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