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Java > Open Source Codes > org > objectweb > openccm > ir3 > AliasDef_impl


1 /*====================================================================
2
3 OpenCCM: The Open CORBA Component Model Platform
4 Copyright (C) 2000-2004 INRIA & USTL - LIFL - GOAL
5 Contact: openccm@objectweb.org
6
7 This library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Lesser General Public
9 License as published by the Free Software Foundation; either
10 version 2.1 of the License, or any later version.
11
12 This library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
16
17 You should have received a copy of the GNU Lesser General Public
18 License along with this library; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20 USA
21
22 Initial developer(s): Philippe Merle.
23 Contributor(s): Mathieu Vadet, Christophe Demarey.
24
25 ====================================================================*/
26
27 package org.objectweb.openccm.ir3;
28
29 // Package dependencies
30 import org.omg.CORBA.*;
31
32 /**
33  * Implementation of the CORBA::AliasDef interface.
34  *
35  * @author <a HREF="mailto:Philippe.Merle@lifl.fr">Philippe Merle</a>
36  * <a HREF="mailto:Mathieu.Vadet@lifl.fr">Mathieu Vadet</a>
37  *
38  * @version 0.5
39  */
40
41 public class AliasDef_impl
42      extends Contained_impl
43   implements AliasDefOperations
44 {
45     // ==================================================================
46 //
47 // Internal state.
48 //
49 // ==================================================================
50
51     /** The original type of the alias. */
52     protected IDLType_ref original_type_def_;
53
54     // ==================================================================
55 //
56 // Constructor.
57 //
58 // ==================================================================
59
60     /**
61      * TODO.
62      */
63     public
64     AliasDef_impl(IFR ifr,
65                   Container_impl container)
66     {
67         // Calls the Contained_impl contructor.
68 super(ifr, container);
69
70         // Sets the tie servant object.
71 setServant(new AliasDefPOATie(this));
72
73         // Creates the original_type_def reference.
74 original_type_def_ = new IDLType_ref(this);
75     }
76
77     // ==================================================================
78 //
79 // Internal methods for the inherited IRObject_impl class.
80 //
81 // ==================================================================
82
83     /**
84      * Warning : this operation must be implemented by subclasses.
85      * It allows us to avoid some casts while creating ::CORBA::TypeCode
86      */
87     protected TypeCode
88     recursiveType(java.util.List JavaDoc idSeq)
89     {
90         try
91         {
92             Contained_impl cont = (Contained_impl)original_type_def_.getBaseImpl();
93             int idx = idSeq.indexOf(cont.id());
94             if (idx!=-1)
95             {
96                 // check if the contained can be a recursive type
97 int dk = cont.def_kind().value();
98                 if ((dk!=DefinitionKind._dk_Struct) &&
99                     (dk!=DefinitionKind._dk_Exception) &&
100                     (dk!=DefinitionKind._dk_Union) &&
101                     (dk!=DefinitionKind._dk_Value) &&
102                     (dk!=DefinitionKind._dk_Alias))
103                     throw exceptionIllegalRecursion(id(), cont.id());
104             }
105         }
106         catch (java.lang.ClassCastException JavaDoc ex)
107         {
108         }
109
110         TypeCode tc = original_type_def_.recursiveType(idSeq);
111
112         // delegate to the TypeCodeFactory.
113 return getIFR().getTCF().create_alias_tc(id(), name(), tc);
114     }
115
116     // ==================================================================
117 //
118 // Internal methods for managing dependencies.
119 //
120 // ==================================================================
121
122     /**
123      * Cuts dependencies to other objects.
124      */
125     protected void
126     cutDependencies()
127     {
128         // Cuts the dependency.
129 original_type_def_.cutDependency();
130
131         // Calls the Contained_impl cutDependencies operation.
132 super.cutDependencies();
133     }
134
135     // ==================================================================
136 //
137 // Public methods.
138 //
139 // ==================================================================
140
141     /**
142      * Obtain its CORBA::AliasDef object reference.
143      */
144     public AliasDef
145     asAliasDef()
146     {
147         return AliasDefHelper.narrow(asObject());
148     }
149
150     // ==================================================================
151 //
152 // For CORBA::IRObject interface.
153 //
154 // ==================================================================
155
156     /**
157      * IDL:omg.org/CORBA/IRObject/def_kind:1.0
158      */
159     public DefinitionKind
160     def_kind()
161     {
162         return DefinitionKind.dk_Alias;
163     }
164
165     // ==================================================================
166 //
167 // For CORBA::IDLType interface.
168 //
169 // ==================================================================
170
171     /**
172      * IDL:omg.org/CORBA/IDLType/type:1.0
173      */
174     public TypeCode
175     type()
176     {
177         // check for recursion.
178 java.util.List JavaDoc idSeq = new java.util.ArrayList JavaDoc();
179         return recursiveType(idSeq);
180     }
181
182     // ==================================================================
183 //
184 // For CORBA::AliasDef interface.
185 //
186 // ==================================================================
187
188     /**
189      * IDL:omg.org/CORBA/AliasDef/original_type_def:1.0
190      */
191     public IDLType
192     original_type_def()
193     {
194         // delegate to the IDLType reference.
195 return original_type_def_.asIDLType();
196     }
197
198     /**
199      * IDL:omg.org/CORBA/AliasDef/original_type_def:1.0
200      */
201     public void
202     original_type_def(IDLType val)
203     {
204         // try to cast val to a local object
205 // and delegate to the IDLType reference.
206 original_type_def_.setDependency( castToLocal(val) );
207     }
208 }
209
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