1 /*
   2  * Copyright (c) 2002, 2003, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.corba.se.impl.oa.poa ;
  27 
  28 import org.omg.PortableServer.Servant ;
  29 import org.omg.PortableServer.ServantManager ;
  30 import org.omg.PortableServer.ForwardRequest ;
  31 import org.omg.PortableServer.POAPackage.WrongPolicy ;
  32 import org.omg.PortableServer.POAPackage.ObjectNotActive ;
  33 import org.omg.PortableServer.POAPackage.ServantNotActive ;
  34 import org.omg.PortableServer.POAPackage.ObjectAlreadyActive ;
  35 import org.omg.PortableServer.POAPackage.ServantAlreadyActive ;
  36 import org.omg.PortableServer.POAPackage.NoServant ;
  37 
  38 import com.sun.corba.se.impl.orbutil.concurrent.SyncUtil ;
  39 import com.sun.corba.se.impl.orbutil.ORBUtility ;
  40 import com.sun.corba.se.impl.orbutil.ORBConstants ;
  41 
  42 import com.sun.corba.se.impl.oa.NullServantImpl ;
  43 
  44 /** Implementation of POARequesHandler that provides policy specific
  45  * operations on the POA in the case:
  46  * <ul>
  47  * <li>retain</li>
  48  * <li>useActiveObjectMapOnly</li>
  49  * </ul>
  50  */
  51 public class POAPolicyMediatorImpl_R_AOM extends POAPolicyMediatorBase_R {
  52     POAPolicyMediatorImpl_R_AOM( Policies policies, POAImpl poa )
  53     {
  54         // assert policies.retainServants()
  55         super( policies, poa ) ;
  56 
  57         // policies.useActiveObjectMapOnly()
  58         if (!policies.useActiveMapOnly())
  59             throw poa.invocationWrapper().policyMediatorBadPolicyInFactory() ;
  60     }
  61 
  62     protected java.lang.Object internalGetServant( byte[] id,
  63         String operation ) throws ForwardRequest
  64     {
  65         java.lang.Object servant = internalIdToServant( id ) ;
  66         if (servant == null)
  67             servant = new NullServantImpl(
  68                 poa.invocationWrapper().nullServant() ) ;
  69         return servant ;
  70     }
  71 
  72     public void etherealizeAll()
  73     {
  74         // NO-OP
  75     }
  76 
  77     public ServantManager getServantManager() throws WrongPolicy
  78     {
  79         throw new WrongPolicy();
  80     }
  81 
  82     public void setServantManager( ServantManager servantManager )
  83         throws WrongPolicy
  84     {
  85         throw new WrongPolicy();
  86     }
  87 
  88     public Servant getDefaultServant() throws NoServant, WrongPolicy
  89     {
  90         throw new WrongPolicy();
  91     }
  92 
  93     public void setDefaultServant( Servant servant ) throws WrongPolicy
  94     {
  95         throw new WrongPolicy();
  96     }
  97 
  98     public Servant idToServant( byte[] id )
  99         throws WrongPolicy, ObjectNotActive
 100     {
 101         Servant s = internalIdToServant( id ) ;
 102 
 103         if (s == null)
 104             throw new ObjectNotActive() ;
 105         else
 106             return s;
 107     }
 108 }