ConstantDeclImpl


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 manages IDL constant declarations.
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 ConstantDeclImpl
39         extends AnyValueDeclImpl
40         implements ConstantDecl
41  {
42      // ==================================================================
43      //
44      // Internal state.
45      //
46      // ==================================================================
47  
48      /**
49       **  Reference to the CORBA 3.0 ConstantDef.
50       **/
51      private org.omg.CORBA.ConstantDef   constant_def_;
52  
53      /**
54       **  The type of the constant.
55       **/
56      private TypeRef 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      ConstantDeclImpl(Repository rep, ScopeImpl parent)
71      {
72          // Call the AnyValueDeclImpl constructor.
73          super(rep, parent);
74  
75          // Init internal state.
76          constant_def_ = null;
77          type_ = null;
78          the_declaration_kind_ = DeclarationKind._dk_constant;
79      }
80  
81      // ==================================================================
82      //
83      // Internal methods.
84      //
85      // ==================================================================
86  
87      /**
88       **  Loads infos of the CORBA 3.0 ConstantDef.
89       **
90       **  @param constant_def The ConstantDef to load.
91       **/
92      protected void
93      load(org.omg.CORBA.Contained   contained)
94      {
95          constant_def_ = org.omg.CORBA.ConstantDefHelper.narrow(contained);
96          setType(getRepository().getAsTypeRef(constant_def_.type_def()));
97          AnyValue any = new AnyValue();
98          any.loadAny(constant_def_.value());
99          setAnyValue(any);
100 
101         super.load(contained);
102     }
103 
104     /**
105      **  Loads infos of the CORBA 3.0 ConstantDef.
106      **
107      **  @param constant_def The ConstantDef to load.
108      **/
109     protected void
110     loadAsMapping(org.omg.CORBA.Contained   contained)
111     {
112         constant_def_ = org.omg.CORBA.ConstantDefHelper.narrow(contained);
113         setType(getRepository().getAsMappedTypeRef(constant_def_.type_def()));
114         AnyValue any = new AnyValue();
115         any.loadAny(constant_def_.value());
116         setAnyValue(any);
117 
118         super.loadAsMapping(contained);
119     }
120 
121     // ==================================================================
122     //
123     //  Methods for the Declaration interface.
124     //
125     // ==================================================================
126 
127     /**
128      **  Create the constant declaration into the IFR.
129      **/
130     public void
131     create()
132     {
133         constant_def_ = the_parent_.getContainer().create_constant(getId(),
134                                                                    getName(),
135                                                                    getVersion(),
136                                                                    type_.getIDLType(),
137                                                                    getAnyValue().computeAny(type_.getIDLType().type()));
138 
139         super.create();
140     }
141 
142     /**
143      **  Obtain the declaration external dependencies.
144      **  Note: for scopes, contained objects are not considered
145      **  as dependencies.
146      **
147      **  @return The list of dependencies as an array of Declaration.
148      **/
149     public Declaration[]
150     getDependencies()
151     {
152         if (dependencies_!=null)
153             return dependencies_;
154 
155         org.objectweb.ccm.util.Vector constant_depend = new org.objectweb.ccm.util.Vector();
156 
157         // constant type
158         if (getType().isDeclaration())
159             constant_depend.add(getType());
160 
161         Declaration[] depend = getType().getDependencies();
162         for (int i=0;i<depend.length;i++)
163             constant_depend.add(depend[i]);
164 
165         dependencies_ = (Declaration[])constant_depend.toArray(new Declaration[0]);
166         return dependencies_;
167     }
168 
169 
170     // ==================================================================
171     //
172     //  Methods for the ConstantDecl interface.
173     //
174     // ==================================================================
175 
176     /**
177      **  Set the type.
178      **
179      **  @param type The TypeRef of the constant declaration type.
180      **/
181     public void
182     setType(TypeRef type)
183     {
184         if(type != null)
185         {
186             type_ = type;
187             type_.addRef();
188         }
189     }
190 
191     /**
192      **
193      **/
194     public TypeRef
195     getType()
196     {
197         return type_;
198     }
199 
200     // ==================================================================
201     //
202     //  Methods for the inherited DeclarationImpl class.
203     //
204     // ==================================================================
205 
206     /**
207      **
208      **/
209     public void
210     destroy()
211     {
212         if (type_!=null)
213             type_.removeRef();
214 
215         super.destroy();
216     }
217 
218     /**
219      **  Obtain its CORBA 3.0 Contained reference.
220      **
221      **  @return The Contained object associated with the constant declaration.
222      **/
223     protected org.omg.CORBA.Contained  
224     getContained()
225     {
226         return constant_def_;
227     }
228 }
229
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