Source for java.rmi.activation.ActivationInstantiator

   1: /* ActivationInstantiator.java --
   2:    Copyright (c) 1996, 1997, 1998, 1999, 2004  Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10:  
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: 
  39: package java.rmi.activation;
  40: 
  41: import java.rmi.MarshalledObject;
  42: import java.rmi.Remote;
  43: import java.rmi.RemoteException;
  44: 
  45: /**
  46:  * The implementation of this interface creates (instantiates) the new remote
  47:  * objects in response to the activation request. The instantiator is returned
  48:  * by the {@link ActivationGroup} that calls 
  49:  * {@link ActivationSystem#activeGroup(ActivationGroupID, ActivationInstantiator, long)}.
  50:  */
  51: public interface ActivationInstantiator
  52:   extends Remote
  53: {
  54:   /**
  55:    * Creates and instantiate a new remote object. This method performs the
  56:    * following tasks:
  57:    * <ul>
  58:    * <li>Finds and loads (if not already loaded) the class of the object being
  59:    * instantiated</li>
  60:    * <li>Creates an instance of the object using its special two parameter
  61:    * activation constructor, the first parameter being the {@link ActivationID}
  62:    * and the second the {@link MarshalledObject}.</li>
  63:    * 
  64:    * @param id the id of the object being instantiated
  65:    * @param desc the activation descriptor being instantiated
  66:    * @return the MarshalledObject, containing the stub to the newly created
  67:    *         object.
  68:    * @throws ActivationException if the activation fails
  69:    * @throws RemoteException if the remote call fails
  70:    */
  71:   MarshalledObject newInstance (ActivationID id, ActivationDesc desc)
  72:     throws ActivationException, RemoteException;
  73: }