AliasDeclImpl


1   /*====================================================================
2   
3   OpenCCM: The Open CORBA Component Model Platform
4   Copyright (C) 2000-2002 USTL - LIFL - GOAL
5   Contact: openccm-team@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, Mathieu Vadet.
23  Contributor(s): ______________________________________.
24  
25  ====================================================================*/
26  
27  package org.objectweb.ccm.IDL3;
28  
29  /**
30   * This class implements the typedef declaration.
31   *
32   * @author <a=href="Philippe.Merle@lifl.fr">Philippe Merle</a>
33   *         <a=href="Mathieu.Vadet@lifl.fr">Mathieu Vadet</a>
34   *
35   * @version 0.3
36   */
37  
38  public class AliasDeclImpl
39         extends DeclarationImpl
40         implements TypeRef, AliasDecl
41  {
42      // ==================================================================
43      //
44      // Internal state.
45      //
46      // ==================================================================
47  
48      /**
49       **  Reference to the CORBA 3.0 AliasDef.
50       **/
51      private org.omg.CORBA.AliasDef   alias_def_;
52  
53      /**
54       **  The original type of the alias.
55       **/
56      private TypeRef original_type_;
57  
58      // ==================================================================
59      //
60      // Constructor.
61      //
62      // ==================================================================
63  
64      /**
65       **  The constructor with the parent scope.
66       **
67       **  @param parent The parent scope of the declaration.
68       **/
69      protected
70      AliasDeclImpl(Repository rep, ScopeImpl parent)
71      {
72          // Call the DeclarationImpl constructor.
73          super(rep, parent);
74  
75          // Init internal state.
76          alias_def_ = null;
77          original_type_ = null;
78          the_declaration_kind_ = DeclarationKind._dk_alias;
79      }
80  
81      // ==================================================================
82      //
83      // Internal methods.
84      //
85      // ==================================================================
86  
87      /**
88       **  Loads infos of the CORBA 3.0 AliasDef.
89       **
90       **  @param aliasDef The AliasDef to load.
91       **/
92      protected void
93      load(org.omg.CORBA.Contained   contained)
94      {
95          alias_def_ = org.omg.CORBA.AliasDefHelper.narrow(contained);
96          setType(getRepository().getAsTypeRef(alias_def_.original_type_def()));
97          super.load(contained);
98      }
99  
100     /**
101      **  Loads infos of the CORBA 3.0 AliasDef.
102      **
103      **  @param aliasDef The AliasDef to load.
104      **/
105     protected void
106     loadAsMapping(org.omg.CORBA.Contained   contained)
107     {
108         alias_def_ = org.omg.CORBA.AliasDefHelper.narrow(contained);
109         setType(getRepository().getAsMappedTypeRef(alias_def_.original_type_def()));
110         super.load(contained);
111     }
112 
113     // ==================================================================
114     //
115     //  Methods for the Declaration interface.
116     //
117     // ==================================================================
118 
119     /**
120      **  Create the constant declaration into the IFR.
121      **/
122     public void
123     create()
124     {
125         alias_def_ = the_parent_.getContainer().create_alias(getId(), getName(), getVersion(),
126                                                              original_type_.getIDLType());
127 
128         super.create();
129     }
130 
131     /**
132      **  Obtain the declaration external dependencies.
133      **  Note: for scopes, contained objects are not considered
134      **  as dependencies.
135      **
136      **  @return The list of dependencies as an array of Declaration.
137      **/
138     public Declaration[]
139     getDependencies()
140     {
141         if (dependencies_!=null)
142             return dependencies_;
143 
144         org.objectweb.ccm.util.Vector alias_depend = new org.objectweb.ccm.util.Vector();
145 
146         // content
147         if (getType().isDeclaration())
148             alias_depend.add(getType());
149 
150         Declaration[] depend = getType().getDependencies();
151         for (int i=0;i<depend.length;i++)
152             alias_depend.add(depend[i]);
153 
154 
155         dependencies_ = (Declaration[])alias_depend.toArray(new Declaration[0]);
156         return dependencies_;
157     }
158 
159     // ==================================================================
160     //
161     // Methods for the TypeRef interface.
162     //
163     // ==================================================================
164 
165     /**
166      **  Obtain its IDLType reference.
167      **
168      **  @return The IDLType associated with the typedef declaration.
169      **/
170     public org.omg.CORBA.IDLType  
171     getIDLType()
172     {
173         return alias_def_;
174     }
175 
176     /**
177      **
178      **/
179     public int
180     getTypeKind()
181     {
182         return TypeKind._tk_alias;
183     }
184 
185     // ==================================================================
186     //
187     // Methods for the AliasDecl interface.
188     //
189     // ==================================================================
190 
191     /**
192      **
193      **/
194     public TypeRef
195     getType()
196     {
197         return original_type_;
198     }
199 
200     /**
201      **  Set the original type.
202      **
203      **  @param type To original type of the typedef declaration.
204      **/
205     public void
206     setType(TypeRef type)
207     {
208         if(type != null)
209         {
210             original_type_ = type;
211             original_type_.addRef();
212         }
213     }
214 
215     // ==================================================================
216     //
217     //  Methods for the inherited DeclarationImpl class.
218     //
219     // ==================================================================
220 
221     /**
222      **
223      **/
224     public void
225     destroy()
226     {
227         if (original_type_!=null)
228             original_type_.removeRef();
229 
230         super.destroy();
231     }
232 
233     /**
234      **  Obtain its CORBA 3.0 Contained reference.
235      **
236      **  @return The Contained object associated with the typedef declaration.
237      **/
238     protected org.omg.CORBA.Contained  
239     getContained()
240     {
241        return alias_def_;
242     }
243 }
244
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