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Java > Open Source Codes > org > objectweb > openccm > Components > HomeManagerImpl


1 /*====================================================================
2
3 OpenCCM: The Open CORBA Component Model Platform
4 Copyright (C) 2000-2003 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): Mathieu Vadet, Philippe Merle.
23 Contributor(s): ______________________________________.
24
25 ====================================================================*/
26
27 package org.objectweb.openccm.Components;
28
29 import org.objectweb.openccm.Components.HomeManagerPOA;
30 import org.objectweb.openccm.Components.HomeInfo;
31
32 /**
33  * Implementation of the OpenCCM::HomeManager 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 0.3
39  */
40
41 public class HomeManagerImpl
42      extends HomeManagerPOA
43 {
44     // ==================================================================
45 //
46 // Internal state.
47 //
48 // ==================================================================
49
50     /**
51      ** To store (cookie, HomeInfo) associations.
52      **/
53     private org.objectweb.ccm.util.Table by_cookies_;
54
55     /**
56      ** To store (home_repid, CCMHome) associations.
57      **/
58     private org.objectweb.ccm.util.Table by_home_repids_;
59
60     /**
61      ** To store (component_repid, CCMHome) associations.
62      **/
63     private org.objectweb.ccm.util.Table by_component_repids_;
64
65     /**
66      ** To store (home_name, CCMHome) associations.
67      **/
68     private org.objectweb.ccm.util.Table by_home_names_;
69
70     // ==================================================================
71 //
72 // Constructor.
73 //
74 // ==================================================================
75
76     /**
77      ** The default constructor.
78      **/
79     public
80     HomeManagerImpl()
81     {
82         by_cookies_ = new org.objectweb.ccm.util.Table();
83         by_home_repids_ = new org.objectweb.ccm.util.Table();
84         by_component_repids_ = new org.objectweb.ccm.util.Table();
85         by_home_names_ = new org.objectweb.ccm.util.Table();
86     }
87
88     // ==================================================================
89 //
90 // Internal methods.
91 //
92 // ==================================================================
93
94     // ==================================================================
95 //
96 // Public methods.
97 //
98 // ==================================================================
99
100     // ==================================================================
101 //
102 // Methods for the OpenCCM::Shutdownable interface.
103 //
104 // ==================================================================
105
106     //
107 // IDL:goal.lifl.fr/OpenCCM/Shutdownable/shutdown:1.0
108 //
109 /**
110      ** Shutdown an OpenCCM server.
111      **/
112     public void
113     shutdown()
114     {
115     org.objectweb.openccm.corba.TheORB.shutdown(true);
116     }
117
118     // ==================================================================
119 //
120 // Methods for the Components::HomeFinder interface.
121 //
122 // ==================================================================
123
124     //
125 // IDL:omg.org/Components/HomeFinder/find_home_by_component_type:1.0
126 //
127 /**
128      ** Finds an home by its managed component type.
129      **
130      ** @param comp_repid The requested component repository ID.
131      **
132      ** @return The associated home.
133      **
134      ** @exception org.omg.Components.HomeNotFound
135      ** Thrown if there is no home for the requested
136      ** component type.
137      **/
138     public org.omg.Components.CCMHome
139     find_home_by_component_type(String JavaDoc comp_repid)
140     throws org.omg.Components.HomeNotFound
141     {
142     // Search by component repository id.
143 Object JavaDoc result = by_component_repids_.get(comp_repid);
144
145     // Check that a CCMHome has been found.
146 if(result == null)
147     {
148         throw new org.omg.Components.HomeNotFound();
149     }
150
151     // Return the found CCMHome.
152 return (org.omg.Components.CCMHome)result;
153     }
154
155     //
156 // IDL:omg.org/Components/HomeFinder/find_home_by_home_type:1.0
157 //
158 /**
159      ** Finds an home by its home type.
160      **
161      ** @param home_repid The requested home repository ID.
162      **
163      ** @return The associated home.
164      **
165      ** @exception org.omg.Components.HomeNotFound
166      ** Thrown if there is no home for the requested home type.
167      **/
168     public org.omg.Components.CCMHome
169     find_home_by_home_type(String JavaDoc home_repid)
170     throws org.omg.Components.HomeNotFound
171     {
172     // Search by home repository id.
173 Object JavaDoc result = by_home_repids_.get(home_repid);
174
175     // Check that a CCMHome has been found.
176 if(result == null)
177     {
178         throw new org.omg.Components.HomeNotFound();
179     }
180
181     // Return the found CCMHome.
182 return (org.omg.Components.CCMHome)result;
183     }
184
185     //
186 // IDL:omg.org/Components/HomeFinder/find_home_by_name:1.0
187 //
188 /**
189      ** Finds an home by its name.
190      **
191      ** @param home_name The requested home name.
192      **
193      ** @return The associated home.
194      **
195      ** @exception org.omg.Components.HomeNotFound
196      ** Thrown if there is no home for the requested home name.
197      **/
198     public org.omg.Components.CCMHome
199     find_home_by_name(String JavaDoc home_name)
200     throws org.omg.Components.HomeNotFound
201     {
202     // Search by home name.
203 Object JavaDoc result = by_home_names_.get(home_name);
204
205     // Check that a CCMHome has been found.
206 if(result == null)
207     {
208         throw new org.omg.Components.HomeNotFound();
209     }
210
211     // Return the found CCMHome.
212 return (org.omg.Components.CCMHome)result;
213     }
214
215     // ==================================================================
216 //
217 // Methods for the OpenCCM::Components::HomeManager interface.
218 //
219 // ==================================================================
220
221     //
222 // IDL:goal.lifl.fr/OpenCCM/Components/HomeManager/register_home:1.0
223 //
224 /**
225      ** Register a CCMHome.
226      **
227      ** @param home The CCMHome reference.
228      ** @param home_repid The CCMHome Repository Id.
229      ** @param component_repid The managed component Repository Id.
230      ** @param name The INS name associated to the home.
231      **
232      ** @return The cookie associated to this registration.
233      **/
234     public org.omg.Components.Cookie
235     register_home(org.omg.Components.CCMHome home,
236                   String JavaDoc home_repid,
237                   String JavaDoc component_repid,
238                   String JavaDoc name)
239     {
240     // Register the home by its repository Id.
241 by_home_repids_.put(home_repid, home);
242
243     // Register the home by its managed component repository Id.
244 by_component_repids_.put(component_repid, home);
245
246     // Register the home by its name.
247 by_home_names_.put(name, home);
248
249     // Generate a cookie.
250 org.omg.Components.Cookie cookie = CookieImpl.generate();
251
252     // Register the home information by the generated cookie.
253 by_cookies_.put(cookie,
254             new HomeInfo(home,
255                      home_repid,
256                      component_repid,
257                      name) );
258
259     // Return the generated cookie.
260 return cookie;
261     }
262
263     //
264 // IDL:goal.lifl.fr/OpenCCM/Components/HomeManager/unregister_home:1.0
265 //
266 /**
267      ** Unregister a CCMHome.
268      **
269      ** @param The registration cookie.
270      **
271      ** @exception ::Components::CookieRequired
272      ** Thrown when an invalid cookie is used.
273      **/
274     public void
275     unregister_home(org.omg.Components.Cookie ck)
276     throws org.omg.Components.CookieRequired
277     {
278     // Search the home info by its associated cookie.
279 HomeInfo home_info = (HomeInfo)by_cookies_.get(ck);
280
281     // Check that a home info is associated to the cookie.
282 if(home_info == null)
283     {
284         throw new org.omg.Components.CookieRequired();
285     }
286
287     // Remove in the home repository id table.
288 by_home_repids_.remove(home_info.home_repid);
289
290     // Remove in the component repository id table.
291 by_component_repids_.remove(home_info.component_repid);
292
293     // Remove in the home name table.
294 by_home_names_.remove(home_info.name);
295     }
296 }
297
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