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jeremybenn |
/* ActivationGroupID.java --
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Copyright (c) 1996, 1997, 1998, 1999, 2006 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.io.Serializable;
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import java.rmi.server.UID;
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/**
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* This identifier identifies the activation group inside the scope of its
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* activation system. It also contains (and can provide) the reference to the
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* groups activation system.
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*
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* @see ActivationSystem#registerGroup(ActivationGroupDesc)
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*/
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public class ActivationGroupID
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implements Serializable
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{
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/**
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* Use SVUID for interoperability.
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*/
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static final long serialVersionUID = - 1648432278909740833L;
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/**
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* The associated activation system.
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*/
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final ActivationSystem system;
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/**
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* The object identifier, making the ID unique.
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*/
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final UID uid;
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/**
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* Create the new activation group id in the scope of the given activation
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* system
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*
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* @param aSystem the activation system
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*/
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public ActivationGroupID(ActivationSystem aSystem)
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{
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system = aSystem;
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uid = new UID();
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}
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/**
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* Get the associated activation system
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*
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* @return the associated activation system
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*/
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public ActivationSystem getSystem()
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{
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return system;
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}
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/**
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* Get the hash code of the associated activation system.
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*/
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public int hashCode()
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{
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return uid.hashCode();
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}
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/**
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* Copmare for equality, returns true if the passed object is also the
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* activation group id and its activation system is the same.
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*/
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public boolean equals(Object obj)
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{
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if (obj instanceof ActivationGroupID)
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{
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ActivationGroupID that = (ActivationGroupID) obj;
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return uid.equals(that.uid);
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}
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else
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return false;
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}
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/**
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* Get the string representation
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*/
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public String toString()
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{
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return uid.toString();
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}
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}
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