001 /* ServantActivatorOperations.java --
002 Copyright (C) 2005 Free Software Foundation, Inc.
003
004 This file is part of GNU Classpath.
005
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007 it under the terms of the GNU General Public License as published by
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009 any later version.
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014 General Public License for more details.
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019 02110-1301 USA.
020
021 Linking this library statically or dynamically with other modules is
022 making a combined work based on this library. Thus, the terms and
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024 combination.
025
026 As a special exception, the copyright holders of this library give you
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036 exception statement from your version. */
037
038
039 package org.omg.PortableServer;
040
041
042 /**
043 * Defines the operations, applicable to the {@link ServantActivator}.
044 *
045 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
046 */
047 public interface ServantActivatorOperations
048 extends ServantManagerOperations
049 {
050 /**
051 * This method is invoked whenever a servant for an object is deactivated,
052 * assuming the POA has the USE_SERVANT_MANAGER and RETAIN policies.
053 *
054 * @param Object_Id the Id of the object being deactivated.
055 *
056 * @param poa the POA in those scope the object was active.
057 *
058 * @param servant the servant, serving the object being deactivated.
059 *
060 * @param cleanup_in_progress if true, this method was called from due
061 * deactivation or destruction operation. False indicates that the method
062 * was called due other reasons.
063 *
064 * @param remaining_activations if true, at the invocation moment the
065 * passed servant is also associated with other objects in the active
066 * object map of the given POA.
067 */
068 void etherealize(byte[] Object_Id, POA poa, Servant servant,
069 boolean cleanup_in_progress, boolean remaining_activations
070 );
071
072 /**
073 * This method is invoked whenever the POA receives a request for an
074 * object that is not currently active, assuming the POA has the
075 * USE_SERVANT_MANAGER and RETAIN policies. The user-supplied servant
076 * manager is responsible for locating or creating an appropriate servant
077 * that corresponds to the ObjectId value. The subsequent requests with
078 * the same ObjectId value will be delivered directly to that servant
079 * without invoking the servant manager.
080 *
081 * @param Object_Id the ObjectId value associated with the incoming request.
082 * @param poa the POA in which the object is being activated.
083 *
084 * @return a servant that will be used to process the incoming request.
085 *
086 * @throws ForwardRequest if the activator decides to forward the request
087 * to another object. The exception contains the object that should
088 * handle this request. This object is usually remote, but can also
089 * be local. The throws exception will forward all subsequent requests
090 * till the new activation.
091 */
092 Servant incarnate(byte[] Object_Id, POA poa)
093 throws ForwardRequest;
094 }