POAPolicyMediatorImpl_R_UDS.java revision 608:7e06bf1dcb09 
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
26package com.sun.corba.se.impl.oa.poa ;
27
28import java.util.Enumeration ;
29
30import org.omg.PortableServer.Servant ;
31import org.omg.PortableServer.ServantManager ;
32import org.omg.PortableServer.ForwardRequest ;
33import org.omg.PortableServer.POAPackage.WrongPolicy ;
34import org.omg.PortableServer.POAPackage.ObjectNotActive ;
35import org.omg.PortableServer.POAPackage.ServantNotActive ;
36import org.omg.PortableServer.POAPackage.ObjectAlreadyActive ;
37import org.omg.PortableServer.POAPackage.ServantAlreadyActive ;
38import org.omg.PortableServer.POAPackage.NoServant ;
39
40import com.sun.corba.se.impl.orbutil.concurrent.SyncUtil ;
41import com.sun.corba.se.impl.orbutil.ORBUtility ;
42import com.sun.corba.se.impl.orbutil.ORBConstants ;
43
44/** Implementation of POARequesHandler that provides policy specific
45 * operations on the POA.
46 */
47public class POAPolicyMediatorImpl_R_UDS extends POAPolicyMediatorBase_R {
48    private Servant defaultServant ;
49
50    POAPolicyMediatorImpl_R_UDS( Policies policies, POAImpl poa )
51    {
52        // assert policies.retainServants()
53        super( policies, poa ) ;
54        defaultServant = null ;
55
56        // policies.useDefaultServant()
57        if (!policies.useDefaultServant())
58            throw poa.invocationWrapper().policyMediatorBadPolicyInFactory() ;
59    }
60
61    protected java.lang.Object internalGetServant( byte[] id,
62        String operation ) throws ForwardRequest
63    {
64        Servant servant = internalIdToServant( id ) ;
65        if (servant == null)
66            servant = defaultServant ;
67
68        if (servant == null)
69            throw poa.invocationWrapper().poaNoDefaultServant() ;
70
71        return servant ;
72    }
73
74    public void etherealizeAll()
75    {
76        // NO-OP
77    }
78
79    public ServantManager getServantManager() throws WrongPolicy
80    {
81        throw new WrongPolicy();
82    }
83
84    public void setServantManager( ServantManager servantManager ) throws WrongPolicy
85    {
86        throw new WrongPolicy();
87    }
88
89    public Servant getDefaultServant() throws NoServant, WrongPolicy
90    {
91        if (defaultServant == null)
92            throw new NoServant();
93        else
94            return defaultServant;
95    }
96
97    public void setDefaultServant( Servant servant ) throws WrongPolicy
98    {
99        defaultServant = servant;
100        setDelegate(defaultServant, "DefaultServant".getBytes());
101    }
102
103    public Servant idToServant( byte[] id )
104        throws WrongPolicy, ObjectNotActive
105    {
106        ActiveObjectMap.Key key = new ActiveObjectMap.Key( id ) ;
107        Servant s = internalKeyToServant(key);
108
109        if (s == null)
110            if (defaultServant != null)
111                s = defaultServant;
112
113        if (s == null)
114            throw new ObjectNotActive() ;
115
116        return s;
117    }
118}
119