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/* ServantActivatorOperations.java --
   Copyright (C) 2005 Free Software Foundation, Inc.
 
This file is part of GNU Classpath.
 
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
 
GNU Classpath is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.
 
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along with GNU Classpath; see the file COPYING.  If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.
 
Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
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combination.
 
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
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terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
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or based on this library.  If you modify this library, you may extend
this exception to your version of the library, but you are not
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exception statement from your version. */
 
 
package org.omg.PortableServer;
 
 
/**
 * Defines the operations, applicable to the {@link ServantActivator}.
 *
 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
 */
public interface ServantActivatorOperations
  extends ServantManagerOperations
{
  /**
   * This method is invoked whenever a servant for an object is deactivated,
   * assuming the POA has the USE_SERVANT_MANAGER and RETAIN policies.
   *
   * @param Object_Id the Id of the object being deactivated.
   *
   * @param poa the POA in those scope the object was active.
   *
   * @param servant the servant, serving the object being deactivated.
   *
   * @param cleanup_in_progress if true, this method was called from due
   * deactivation or destruction operation. False indicates that the method
   * was called due other reasons.
   *
   * @param remaining_activations if true, at the invocation moment the
   * passed servant is also associated with other objects in the active
   * object map of the given POA.
   */
  void etherealize(byte[] Object_Id, POA poa, Servant servant,
                   boolean cleanup_in_progress, boolean remaining_activations
                  );
 
  /**
   * This method is invoked whenever the POA receives a request for an
   * object that is not currently active, assuming the POA has the
   * USE_SERVANT_MANAGER and RETAIN policies. The user-supplied servant
   * manager is responsible for locating or creating an appropriate servant
   * that corresponds to the ObjectId value. The subsequent requests with
   * the same ObjectId value will be delivered directly to that servant
   * without invoking the servant manager.
   *
   * @param Object_Id the ObjectId value associated with the incoming request.
   * @param poa the POA in which the object is being activated.
   *
   * @return a servant that will be used to process the incoming request.
   *
   * @throws ForwardRequest if the activator decides to forward the request
   * to another object. The exception contains the object that should
   * handle this request. This object is usually remote, but can also
   * be local. The throws exception will forward all subsequent requests
   * till the new activation.
   */
  Servant incarnate(byte[] Object_Id, POA poa)
             throws ForwardRequest;
}