Imported GNU Classpath 0.90
Imported GNU Classpath 0.90 * scripts/makemake.tcl: LocaleData.java moved to gnu/java/locale. * sources.am: Regenerated. * gcj/javaprims.h: Regenerated. * Makefile.in: Regenerated. * gcj/Makefile.in: Regenerated. * include/Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * gnu/java/lang/VMInstrumentationImpl.java: New override. * gnu/java/net/local/LocalSocketImpl.java: Likewise. * gnu/classpath/jdwp/VMMethod.java: Likewise. * gnu/classpath/jdwp/VMVirtualMachine.java: Update to latest interface. * java/lang/Thread.java: Add UncaughtExceptionHandler. * java/lang/reflect/Method.java: Implements GenericDeclaration and isSynthetic(), * java/lang/reflect/Field.java: Likewise. * java/lang/reflect/Constructor.java * java/lang/Class.java: Implements Type, GenericDeclaration, getSimpleName() and getEnclosing*() methods. * java/lang/Class.h: Add new public methods. * java/lang/Math.java: Add signum(), ulp() and log10(). * java/lang/natMath.cc (log10): New function. * java/security/VMSecureRandom.java: New override. * java/util/logging/Logger.java: Updated to latest classpath version. * java/util/logging/LogManager.java: New override. From-SVN: r113887
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227
libjava/classpath/gnu/java/rmi/server/ActivatableServerRef.java
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libjava/classpath/gnu/java/rmi/server/ActivatableServerRef.java
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/* ActivatableServerRef.java -- The activatable server reference
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Copyright (C) 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 gnu.java.rmi.server;
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import java.io.IOException;
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import java.io.ObjectInput;
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import java.io.ObjectOutput;
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import java.rmi.Remote;
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import java.rmi.RemoteException;
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import java.rmi.activation.ActivationID;
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import java.rmi.server.ObjID;
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import java.rmi.server.RMIServerSocketFactory;
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import java.rmi.server.RemoteStub;
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import java.rmi.server.Skeleton;
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/**
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* The activatable server reference works like UnicastServerReference, but it
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* additionally activates the associated object on demand, during the first
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* incoming call. When UnicastServerReference takes the working reference,
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* the ActivatableServerRef takes the activation id instead.
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*
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* @author Audrius Meskauskas (Audriusa@Bioinformatics.org)
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*/
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public class ActivatableServerRef extends UnicastServerRef
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{
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/**
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* Use SVUID for interoperability
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*/
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private static final long serialVersionUID = 1;
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/**
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* The object activation id.
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*/
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public ActivationID actId;
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/**
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* Used by serialization only
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*/
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public ActivatableServerRef()
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{
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super();
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}
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/**
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* Create the new activatable server reference that will activate object on
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* the first call using the given activation id.
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*/
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public ActivatableServerRef(ObjID id, ActivationID anId, int aPort,
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RMIServerSocketFactory ssFactory)
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throws RemoteException
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{
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super(id, aPort, ssFactory);
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actId = anId;
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// The object ID will be placed in the object map and should deliver
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// incoming call to {@link #incommingMessageCall}. The object itself
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// is currently null.
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UnicastServer.exportActivatableObject(this);
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}
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/**
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* Inactivate the object (stop the server).
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*/
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public void inactivate()
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{
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manager.stopServer();
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}
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/**
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* Activate the object (normally during the first call).
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*/
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protected void activate() throws RemoteException
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{
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try
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{
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Remote self = actId.activate(false);
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// This will call UnicastServer.exportObject, replacing null by
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// the activated object (self) in the object map.
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exportObject(self);
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}
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catch (RemoteException rex)
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{
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throw rex;
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}
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catch (Exception exc)
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{
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RemoteException rx = new RemoteException("Activation failed.");
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rx.detail = exc;
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throw rx;
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}
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}
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/**
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* If the object is not active, activate it first.
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*/
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public Object incomingMessageCall(UnicastConnection conn, int method,
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long hash) throws Exception
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{
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if (myself == null)
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activate();
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return super.incomingMessageCall(conn, method, hash);
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}
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/**
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* Export object and ensure it is present in the server activation table
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* as well.
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*/
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public Remote exportObject(Remote obj) throws RemoteException
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{
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Remote r = super.exportObject(obj);
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UnicastServer.registerActivatable(this);
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return r;
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}
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/**
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* Export object and ensure it is present in the server activation table as
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* well.
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*
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* @param aClass the class being exported, must implement Remote.
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*/
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public Remote exportClass(Class aClass) throws RemoteException
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{
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if (!Remote.class.isAssignableFrom(aClass))
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throw new InternalError(aClass.getName()+" must implement Remote");
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String ignoreStubs;
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ClassLoader loader =aClass.getClassLoader();
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// Stubs are always searched for the bootstrap classes that may have
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// obsolete pattern and may still need also skeletons.
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if (loader==null)
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ignoreStubs = "false";
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else
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ignoreStubs = System.getProperty("java.rmi.server.ignoreStubClasses",
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"false");
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if (! ignoreStubs.equals("true"))
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{
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// Find and install the stub
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Class cls = aClass;
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// where ist the _Stub? (check superclasses also)
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Class expCls = expCls = findStubSkelClass(cls);
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if (expCls != null)
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{
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stub = (RemoteStub) getHelperClass(expCls, "_Stub");
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// Find and install the skeleton (if there is one)
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skel = (Skeleton) getHelperClass(expCls, "_Skel");
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}
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}
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if (stub == null)
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stub = createProxyStub(aClass, this);
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// Build hash of methods which may be called.
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buildMethodHash(aClass, true);
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UnicastServer.registerActivatable(this);
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return stub;
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}
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/**
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* Get the referencing class.
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*/
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public String getRefClass(ObjectOutput out)
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{
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return "ActivatableRef";
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}
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/**
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* Read the content from the input stream.
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*/
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public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException
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{
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super.readExternal(in);
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actId = (ActivationID) in.readObject();
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}
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/**
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* Write the content to the output stream.
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*/
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public void writeExternal(ObjectOutput out) throws IOException
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{
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super.writeExternal(out);
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out.writeObject(actId);
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}
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}
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