AttributeDeclImpl


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 the Attribute declarationn.
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 AttributeDeclImpl
39         extends DeclarationImpl
40         implements AttributeDecl
41  {
42      // ==================================================================
43      //
44      // Internal state.
45      //
46      // ==================================================================
47  
48      /**
49       **  Reference to the CORBA 3.0 AttributeDef.
50       **/
51      private org.omg.CORBA.ExtAttributeDef ext_attribute_def_;
52  
53      /**
54       **  The attribute mode.
55       **/
56      private int mode_;
57  
58      /**
59       **  The attribute type.
60       **/
61      private TypeRef type_;
62  
63      /**
64       **  The attribute get exceptions.
65       **/
66      private ExceptionListImpl get_exceptions_;
67  
68      /**
69       **  The attribute put exceptions.
70       **/
71      private ExceptionListImpl set_exceptions_;
72  
73      // ==================================================================
74      //
75      // Constructor.
76      //
77      // ==================================================================
78  
79      /**
80       **  The constructor with the parent scope.
81       **
82       **  @param parent The parent scope of the declaration.
83       **/
84      protected
85      AttributeDeclImpl(Repository rep, ScopeImpl parent)
86      {
87          // Call the DeclarationImpl constructor.
88          super(rep, parent);
89  
90          // Init internal state.
91          ext_attribute_def_ = null;
92          mode_ = AttributeDecl.ATTR_NORMAL;
93          type_ = null;
94          get_exceptions_ = new ExceptionListImpl();
95          set_exceptions_ = new ExceptionListImpl();
96          the_declaration_kind_ = DeclarationKind._dk_attribute;
97      }
98  
99      // ==================================================================
100     //
101     // Internal methods.
102     //
103     // ==================================================================
104 
105     /**
106      **  Loads infos of the CORBA 3.0 ModuleDef.
107      **
108      **  @param moduleDef The ModuleDef to load.
109      **/
110     protected void
111     load(org.omg.CORBA.Contained   contained)
112     {
113         ext_attribute_def_ = org.omg.CORBA.ExtAttributeDefHelper.narrow(contained);
114         mode_ = ext_attribute_def_.mode().value();
115         setType(getRepository().getAsTypeRef(ext_attribute_def_.type_def()));
116 
117         org.omg.CORBA.ExceptionDef  [] exc = ext_attribute_def_.get_exceptions();
118         for (int i=0;i<exc.length;i++)
119             get_exceptions_.add((ExceptionRef)getRepository().lookupId(exc[i].id()));
120 
121         exc = ext_attribute_def_.set_exceptions();
122         for (int i=0;i<exc.length;i++)
123             set_exceptions_.add((ExceptionRef)getRepository().lookupId(exc[i].id()));
124 
125         super.load(contained);
126     }
127 
128     /**
129      **  Loads infos of the CORBA 3.0 ModuleDef.
130      **
131      **  @param moduleDef The ModuleDef to load.
132      **/
133     protected void
134     loadAsMapping(org.omg.CORBA.Contained   contained)
135     {
136         ext_attribute_def_ = org.omg.CORBA.ExtAttributeDefHelper.narrow(contained);
137         mode_ = ext_attribute_def_.mode().value();
138         setType(getRepository().getAsMappedTypeRef(ext_attribute_def_.type_def()));
139 
140         org.omg.CORBA.ExceptionDef  [] exc = ext_attribute_def_.get_exceptions();
141         for (int i=0;i<exc.length;i++)
142             get_exceptions_.add((ExceptionRef)getRepository().lookupMappedId(exc[i].id()));
143 
144         exc = ext_attribute_def_.set_exceptions();
145         for (int i=0;i<exc.length;i++)
146             set_exceptions_.add((ExceptionRef)getRepository().lookupMappedId(exc[i].id()));
147 
148         super.loadAsMapping(contained);
149     }
150 
151     // ==================================================================
152     //
153     //  Public methods for the Declaration interface.
154     //
155     // ==================================================================
156 
157     /**
158      **  Create the attribute declaration into the IFR.
159      **/
160     public void
161     create()
162     {
163         ext_attribute_def_ = the_parent_.createExtAttribute(this, type_.getIDLType(),
164                                                             org.omg.CORBA.AttributeMode.from_int(mode_),
165                                                             get_exceptions_.getExceptionDefs(),
166                                                             set_exceptions_.getExceptionDefs());
167 
168         super.create();
169     }
170 
171     /**
172      **  Obtain the declaration external dependencies.
173      **  Note: for scopes, contained objects are not considered
174      **  as dependencies.
175      **
176      **  @return The list of dependencies as an array of Declaration.
177      **/
178     public Declaration[]
179     getDependencies()
180     {
181         if (dependencies_!=null)
182             return dependencies_;
183 
184         org.objectweb.ccm.util.Vector attr_depend = new org.objectweb.ccm.util.Vector();
185         Declaration[] depend = null;
186 
187         // attribute type
188         if (getType().isDeclaration())
189             attr_depend.add(getType());
190 
191         depend = getType().getDependencies();
192         for (int i=0;i<depend.length;i++)
193             attr_depend.add(depend[i]);
194 
195         // exceptions
196         if (isReadonly())
197             addDependencies(attr_depend, getExceptions());
198         else
199         {
200             addDependencies(attr_depend, getGetExceptions());
201             addDependencies(attr_depend, getSetExceptions());
202         }
203 
204         dependencies_ = (Declaration[])attr_depend.toArray(new Declaration[0]);
205         return dependencies_;
206     }
207 
208     /**
209      **
210      **/
211     protected void
212     addDependencies(org.objectweb.ccm.util.Vector attr_depend,
213                     ExceptionDecl[] excs)
214     {
215         Declaration[] depend = null;
216         for (int i=0;i<excs.length;i++)
217         {
218             attr_depend.add(excs[i]);
219             depend = excs[i].getDependencies();
220             for (int j=0;j<depend.length;j++)
221             {
222                 if (attr_depend.indexOf(depend[j])==-1)
223                     attr_depend.add(depend[j]);
224             }
225         }
226     }
227 
228 
229     // ==================================================================
230     //
231     // Public methods for the AttributeDecl interface.
232     //
233     // ==================================================================
234 
235     /**
236      **  Set mode as normal.
237      **/
238     public void
239     setNormal()
240     {
241         mode_ = AttributeDecl.ATTR_NORMAL;
242     }
243 
244     /**
245      **  Set mode as readonly.
246      **/
247     public void
248     setReadonly()
249     {
250         mode_ = AttributeDecl.ATTR_READONLY;
251     }
252 
253     /**
254      **  Set the attribute type.
255      **
256      **  @param type The TypeRef of the attribute declaration.
257      **/
258     public void
259     setType(TypeRef type)
260     {
261         if(type != null)
262         {
263             type_ = type;
264             type_.addRef();
265         }
266     }
267 
268     /**
269      **  Obtain the get exceptions list.
270      **
271      **  @return The getRaises ExceptionList of the attribute declaration
272      **          or null if no exceptions were declared.
273      **/
274     public ExceptionList
275     getGetExceptionList()
276     {
277         return get_exceptions_;
278     }
279 
280     /**
281      **  Obtain the put exceptions list.
282      **
283      **  @return The setRaises (or raises for readonly attributes)
284      **          ExceptionList of the attribute declaration 
285      **          or null if no exceptions were declared.
286      **/
287     public ExceptionList
288     getSetExceptionList()
289     {
290         return set_exceptions_;
291     }
292 
293     /**
294      **  Obtain the get exceptions list.
295      **
296      **  @return The getRaises ExceptionList of the attribute declaration
297      **          or null if no exceptions were declared.
298      **/
299     public ExceptionDecl[]
300     getGetExceptions()
301     {
302         if (mode_==AttributeDecl.ATTR_NORMAL)
303             return get_exceptions_.getExceptions();
304         return new ExceptionDecl[0];
305     }
306 
307     /**
308      **  Obtain the put exceptions list.
309      **
310      **  @return The setRaises (or raises for readonly attributes)
311      **          ExceptionList of the attribute declaration 
312      **          or null if no exceptions were declared.
313      **/
314     public ExceptionDecl[]
315     getSetExceptions()
316     {
317         if (mode_==AttributeDecl.ATTR_NORMAL)
318             return set_exceptions_.getExceptions();
319         return new ExceptionDecl[0];
320     }
321 
322     /**
323      **
324      **/
325     public ExceptionDecl[]
326     getExceptions()
327     {
328         if (mode_==AttributeDecl.ATTR_READONLY)
329             return get_exceptions_.getExceptions();
330         return new ExceptionDecl[0];
331     }
332 
333     /**
334      **
335      **/
336     public boolean
337     isReadonly()
338     {
339         return mode_==AttributeDecl.ATTR_READONLY;
340     }
341 
342     /**
343      **
344      **/
345     public TypeRef
346     getType()
347     {
348         return type_;
349     }
350 
351     // ==================================================================
352     //
353     //  Methods for the inherited DeclarationImpl class.
354     //
355     // ==================================================================
356 
357     /**
358      **
359      **/
360     public void
361     destroy()
362     {
363         if (type_!=null)
364             type_.removeRef();
365 
366         get_exceptions_.destroy();
367         set_exceptions_.destroy();
368         super.destroy();
369     }
370 
371     /**
372      **  Obtain its CORBA 3.0 Contained reference.
373      **
374      **  @return The Contained object associated with the
375      **           attribute declaration.
376      **/
377     protected org.omg.CORBA.Contained  
378     getContained()
379     {
380        return ext_attribute_def_;
381     }
382 }
383
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