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Java > Open Source Codes > org > objectweb > openccm > ir3 > ArrayDef_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::ArrayDef 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 ArrayDef_impl
42      extends IRObject_impl
43   implements ArrayDefOperations
44 {
45     // ==================================================================
46 //
47 // Internal state.
48 //
49 // ==================================================================
50
51     /** The array length. */
52     protected int length_;
53
54     /** The array element type. */
55     protected IDLType_ref element_type_def_;
56
57     // ==================================================================
58 //
59 // Constructor.
60 //
61 // ==================================================================
62
63     /**
64      * TODO.
65      */
66     public
67     ArrayDef_impl(IFR ifr)
68     {
69         // Calls the IRObject_impl contructor.
70 super(ifr);
71
72         // Sets the TIE servant object.
73 setServant(new ArrayDefPOATie(this));
74
75         // Sets the length to zero.
76 length_ = 0;
77
78         // Sets the element_type_def to null.
79 element_type_def_ = new IDLType_ref(this);
80     }
81
82     // ==================================================================
83 //
84 // Internal methods inherited from IROject_impl.
85 //
86 // ==================================================================
87
88     /**
89      * Warning : this operation must be implemented by subclasses.
90      * It allows us to avoid some casts while creating ::CORBA::TypeCode
91      */
92     protected TypeCode
93     recursiveType(java.util.List JavaDoc idSeq)
94     {
95         TypeCode tc = null;
96         try
97         {
98             Contained_impl cont = (Contained_impl)element_type_def_.getBaseImpl();
99             int idx = idSeq.indexOf(cont.id());
100             if (idx!=-1)
101             {
102                 // check if the contained can be a recursive type
103 // only valuetypes can be recursive in an array
104 // also unwound alias to original type to do the check
105 int dk = cont.def_kind().value();
106                 if (dk==DefinitionKind._dk_Alias)
107                 {
108                     AliasDef_impl alias = (AliasDef_impl)cont;
109                     IDLType type = alias.original_type_def();
110                     dk = type.def_kind().value();
111                     AliasDef alias_def = null;
112                     while (dk==DefinitionKind._dk_Alias)
113                     {
114                         alias_def = AliasDefHelper.narrow(type);
115                         type = alias_def.original_type_def();
116                         dk = type.def_kind().value();
117                     }
118                 }
119
120                 if (dk!=DefinitionKind._dk_Value)
121                     throw exceptionIllegalRecursion("array", cont.id());
122
123                 tc = getIFR().getTCF().create_recursive_tc(cont.id());
124             }
125         }
126         catch (java.lang.ClassCastException JavaDoc ex)
127         {
128         }
129
130         if (tc==null)
131             tc = element_type_def_.recursiveType(idSeq);
132
133         // delegation to the TypeCodeFactory.
134 return getIFR().getTCF().create_array_tc(length(), tc);
135     }
136
137     // ==================================================================
138 //
139 // Internal methods.
140 //
141 // ==================================================================
142
143     /**
144      * Obtain its CORBA::ArrayDef object reference.
145      */
146     public ArrayDef
147     asArrayDef()
148     {
149         return ArrayDefHelper.narrow(asObject());
150     }
151
152     // ==================================================================
153 //
154 // Internal methods for managing dependencies.
155 //
156 // ==================================================================
157
158     /**
159      * Cuts dependencies to other objects.
160      */
161     protected void
162     cutDependencies()
163     {
164         // Cuts the dependency.
165 element_type_def_.cutDependency();
166
167         // Calls the IRObject_impl::cutDependencies method.
168 super.cutDependencies();
169     }
170
171     // ==================================================================
172 //
173 // For CORBA::IRObject interface.
174 //
175 // ==================================================================
176
177     /**
178      * IDL:omg.org/CORBA/IRObject/def_kind:1.0
179      */
180     public DefinitionKind
181     def_kind()
182     {
183         return DefinitionKind.dk_Array;
184     }
185
186     // ==================================================================
187 //
188 // For CORBA::IDLType interface.
189 //
190 // ==================================================================
191
192     /**
193      * IDL:omg.org/CORBA/IDLType/type:1.0
194      */
195     public TypeCode
196     type()
197     {
198         // check for recursion.
199 java.util.List JavaDoc idSeq = new java.util.ArrayList JavaDoc();
200         return recursiveType(idSeq);
201     }
202
203     // ==================================================================
204 //
205 // For CORBA::ArrayDef interface.
206 //
207 // ==================================================================
208
209     /**
210      * IDL:omg.org/CORBA/ArrayDef/length:1.0
211      */
212     public int
213     length()
214     {
215         return length_;
216     }
217
218     /**
219      * IDL:omg.org/CORBA/ArrayDef/length:1.0
220      */
221     public void
222     length(int val)
223     {
224         length_ = val;
225     }
226
227     /**
228      * IDL:omg.org/CORBA/ArrayDef/element_type:1.0
229      */
230     public TypeCode
231     element_type()
232     {
233         // delegate to the IDLType reference.
234 return element_type_def_.recursiveType();
235     }
236
237     /**
238      * IDL:omg.org/CORBA/ArrayDef/element_type_def:1.0
239      */
240     public IDLType
241     element_type_def()
242     {
243         // delegate to the IDLType reference.
244 return element_type_def_.asIDLType();
245     }
246
247     /**
248      * IDL:omg.org/CORBA/ArrayDef/element_type_def:1.0
249      */
250     public void
251     element_type_def(IDLType val)
252     {
253         // try to cast val to a local object
254 // and delegate to the IDLType reference.
255 element_type_def_.setDependency( castToLocal(val) );
256     }
257 }
258
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