Source Code Cross Referenced for MessageTransportServiceProvider.java in  » Science » Cougaar12_4 » org » cougaar » mts » base » Java Source Code / Java DocumentationJava Source Code and Java Documentation

Java Source Code / Java Documentation
1. 6.0 JDK Core
2. 6.0 JDK Modules
3. 6.0 JDK Modules com.sun
4. 6.0 JDK Modules com.sun.java
5. 6.0 JDK Modules sun
6. 6.0 JDK Platform
7. Ajax
8. Apache Harmony Java SE
9. Aspect oriented
10. Authentication Authorization
11. Blogger System
12. Build
13. Byte Code
14. Cache
15. Chart
16. Chat
17. Code Analyzer
18. Collaboration
19. Content Management System
20. Database Client
21. Database DBMS
22. Database JDBC Connection Pool
23. Database ORM
24. Development
25. EJB Server geronimo
26. EJB Server GlassFish
27. EJB Server JBoss 4.2.1
28. EJB Server resin 3.1.5
29. ERP CRM Financial
30. ESB
31. Forum
32. GIS
33. Graphic Library
34. Groupware
35. HTML Parser
36. IDE
37. IDE Eclipse
38. IDE Netbeans
39. Installer
40. Internationalization Localization
41. Inversion of Control
42. Issue Tracking
43. J2EE
44. JBoss
45. JMS
46. JMX
47. Library
48. Mail Clients
49. Net
50. Parser
51. PDF
52. Portal
53. Profiler
54. Project Management
55. Report
56. RSS RDF
57. Rule Engine
58. Science
59. Scripting
60. Search Engine
61. Security
62. Sevlet Container
63. Source Control
64. Swing Library
65. Template Engine
66. Test Coverage
67. Testing
68. UML
69. Web Crawler
70. Web Framework
71. Web Mail
72. Web Server
73. Web Services
74. Web Services apache cxf 2.0.1
75. Web Services AXIS2
76. Wiki Engine
77. Workflow Engines
78. XML
79. XML UI
Java
Java Tutorial
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java Source Code / Java Documentation » Science » Cougaar12_4 » org.cougaar.mts.base 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * <copyright>
003:         *  
004:         *  Copyright 1997-2004 BBNT Solutions, LLC
005:         *  under sponsorship of the Defense Advanced Research Projects
006:         *  Agency (DARPA).
007:         * 
008:         *  You can redistribute this software and/or modify it under the
009:         *  terms of the Cougaar Open Source License as published on the
010:         *  Cougaar Open Source Website (www.cougaar.org).
011:         * 
012:         *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
013:         *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
014:         *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
015:         *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
016:         *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
017:         *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
018:         *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
019:         *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
020:         *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
021:         *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
022:         *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
023:         *  
024:         * </copyright>
025:         */
026:
027:        package org.cougaar.mts.base;
028:
029:        import java.util.ArrayList;
030:        import java.util.HashMap;
031:        import java.util.List;
032:
033:        import org.cougaar.core.agent.Agent;
034:        import org.cougaar.core.component.ComponentDescription;
035:        import org.cougaar.core.component.ComponentDescriptions;
036:        import org.cougaar.core.component.ContainerSupport;
037:        import org.cougaar.core.component.ServiceBroker;
038:        import org.cougaar.core.component.ServiceProvider;
039:        import org.cougaar.core.mts.AgentStatusService;
040:        import org.cougaar.core.mts.MessageAddress;
041:        import org.cougaar.core.mts.MessageTransportClient;
042:        import org.cougaar.core.node.ComponentInitializerService;
043:        import org.cougaar.core.node.NodeControlService;
044:        import org.cougaar.core.node.NodeIdentificationService;
045:        import org.cougaar.core.service.LoggingService;
046:        import org.cougaar.core.service.MessageStatisticsService;
047:        import org.cougaar.core.service.MessageTransportService;
048:        import org.cougaar.core.service.MessageWatcherService;
049:        import org.cougaar.core.thread.ThreadServiceProvider;
050:
051:        import org.cougaar.mts.std.WatcherAspect;
052:        import org.cougaar.mts.std.AgentStatusAspect;
053:        import org.cougaar.mts.std.AspectSupport;
054:        import org.cougaar.mts.std.AspectSupportImpl;
055:        import org.cougaar.mts.std.MessageWatcherServiceImpl;
056:        import org.cougaar.mts.std.MessageTimeoutAspect;
057:        import org.cougaar.mts.std.MulticastAspect;
058:        import org.cougaar.mts.std.StatisticsAspect;
059:
060:        /**
061:         * This Component and Container is the ServiceProvider for the
062:         * {@link MessageTransportService}.  This the overall organizing class
063:         * for the MTS as a whole.
064:         */
065:        public final class MessageTransportServiceProvider extends
066:                ContainerSupport implements  ServiceProvider {
067:            // Some special aspect classes
068:            private static final String STATISTICS_ASPECT = "org.cougaar.mts.std.StatisticsAspect";
069:
070:            // Services we use (more than once)
071:            private AspectSupport aspectSupport;
072:            private LoggingService loggingService;
073:            // Hang on to these because they implement services we provide.
074:            private WatcherAspect watcherAspect;
075:            private AgentStatusAspect agentStatusAspect;
076:
077:            private String id;
078:            private final HashMap proxies = new HashMap();
079:
080:            private AspectSupportImpl aspectSupportImpl;
081:
082:            private MessageStreamsFactory msgFactory;
083:
084:            protected String specifyContainmentPoint() {
085:                return Agent.INSERTION_POINT + ".MessageTransport";
086:            }
087:
088:            public void load() {
089:                transitState("load()", UNLOADED, LOADED);
090:
091:                beforeConfig();
092:
093:                addAll(readConfig());
094:
095:                afterConfig();
096:            }
097:
098:            // disable super load sequence
099:            protected void loadHighPriorityComponents() {
100:            }
101:
102:            protected void loadInternalPriorityComponents() {
103:            }
104:
105:            protected void loadBinderPriorityComponents() {
106:            }
107:
108:            protected void loadComponentPriorityComponents() {
109:            }
110:
111:            protected void loadLowPriorityComponents() {
112:            }
113:
114:            protected ComponentDescriptions findInitialComponentDescriptions() {
115:                return null;
116:            }
117:
118:            protected ComponentDescriptions findExternalComponentDescriptions() {
119:                return null;
120:            }
121:
122:            // components that must be loaded before the config's components
123:            private void beforeConfig() {
124:                ServiceBroker csb = getChildServiceBroker();
125:
126:                NodeIdentificationService nis = (NodeIdentificationService) csb
127:                        .getService(this , NodeIdentificationService.class, null);
128:                id = nis.getMessageAddress().toString();
129:                loggingService = (LoggingService) csb.getService(this ,
130:                        LoggingService.class, null);
131:
132:                aspectSupportImpl = new AspectSupportImpl(this , loggingService);
133:                csb.addService(AspectSupport.class, aspectSupportImpl);
134:
135:                // Do the standard set first, since they're assumed to be more
136:                // generic than the user-specified set.
137:
138:                // Drop Stale messages
139:                // Needs loaded first so all other aspets have a chance the
140:                // process the message before it gets dropped)
141:                add(new MessageTimeoutAspect());
142:
143:                // For the MessageWatcher service
144:                watcherAspect = new WatcherAspect();
145:                add(watcherAspect);
146:
147:                // Keep track of Agent state
148:                agentStatusAspect = new AgentStatusAspect();
149:                add(agentStatusAspect);
150:
151:                // Handling multicast messages
152:                add(new MulticastAspect());
153:
154:                // Could use a ComponentDescription
155:                ThreadServiceProvider tsp = new ThreadServiceProvider();
156:                tsp.setParameter("name=MTS");
157:                add(tsp);
158:
159:                MessageTransportRegistry reg = new MessageTransportRegistry(id,
160:                        csb);
161:                csb.addService(MessageTransportRegistryService.class, reg);
162:
163:                LinkSelectionProvision lsp = new LinkSelectionProvision();
164:                csb.addService(LinkSelectionProvisionService.class, lsp);
165:
166:                SocketControlProvision scp = new SocketControlProvision();
167:                csb.addService(SocketControlProvisionService.class, scp);
168:                // SocketFactory has no access to services, so set it manually
169:                // in a static.
170:                SocketFactory.configureProvider(csb);
171:            }
172:
173:            // components specified in the config files
174:            private List readConfig() {
175:                ComponentDescriptions descs;
176:                if (loadState instanceof  ComponentDescriptions) {
177:                    // rehydration
178:                    descs = (ComponentDescriptions) loadState;
179:                    loadState = null;
180:                } else {
181:                    // read config
182:                    ServiceBroker csb = getChildServiceBroker();
183:                    ComponentInitializerService cis = (ComponentInitializerService) csb
184:                            .getService(this ,
185:                                    ComponentInitializerService.class, null);
186:                    try {
187:                        String cp = specifyContainmentPoint();
188:                        descs = new ComponentDescriptions(cis
189:                                .getComponentDescriptions(id, cp));
190:                    } catch (ComponentInitializerService.InitializerException cise) {
191:                        if (loggingService.isInfoEnabled()) {
192:                            loggingService.info("\nUnable to add " + id
193:                                    + "'s plugins ", cise);
194:                        }
195:                        descs = null;
196:                    } finally {
197:                        csb.releaseService(this ,
198:                                ComponentInitializerService.class, cis);
199:                    }
200:                }
201:
202:                // flatten
203:                List l = new ArrayList();
204:                if (descs != null) {
205:                    // ubug 13451:
206:                    l
207:                            .addAll(descs
208:                                    .selectComponentDescriptions(ComponentDescription.PRIORITY_INTERNAL));
209:                    // typical Aspects/LinkProtocols/etc
210:                    l
211:                            .addAll(descs
212:                                    .selectComponentDescriptions(ComponentDescription.PRIORITY_COMPONENT));
213:                }
214:                return l;
215:            }
216:
217:            // components that must be loaded after the config's components
218:            private void afterConfig() {
219:                ServiceBroker csb = getChildServiceBroker();
220:
221:                aspectSupport = (AspectSupport) csb.getService(this ,
222:                        AspectSupport.class, null);
223:
224:                // The rest of the services depend on aspects.
225:                createNameSupport(id);
226:                createFactories();
227:
228:                NodeControlService ncs = (NodeControlService) csb.getService(
229:                        this , NodeControlService.class, null);
230:
231:                ServiceBroker rootsb = ncs.getRootServiceBroker();
232:                rootsb.addService(MessageTransportService.class, this );
233:                rootsb.addService(MessageStatisticsService.class, this );
234:                rootsb.addService(MessageWatcherService.class, this );
235:                rootsb.addService(AgentStatusService.class, this );
236:            }
237:
238:            private void createNameSupport(String id) {
239:                ServiceBroker csb = getChildServiceBroker();
240:                NameSupportImpl impl = new NameSupportImpl(id, csb);
241:                csb.addService(NameSupport.class, impl);
242:            }
243:
244:            private void createFactories() {
245:                ServiceBroker csb = getChildServiceBroker();
246:
247:                msgFactory = MessageStreamsFactory.makeFactory();
248:                add(msgFactory);
249:
250:                ReceiveLinkFactory receiveLinkFactory = new ReceiveLinkFactory();
251:                add(receiveLinkFactory);
252:                csb.addService(ReceiveLinkProviderService.class,
253:                        receiveLinkFactory);
254:
255:                LinkSelectionPolicyServiceProvider lspsp = new LinkSelectionPolicyServiceProvider(
256:                        csb, this );
257:                csb.addService(LinkSelectionPolicy.class, lspsp);
258:
259:                DestinationQueueFactory destQFactory = new DestinationQueueFactory(
260:                        this );
261:                add(destQFactory);
262:                csb.addService(DestinationQueueProviderService.class,
263:                        destQFactory);
264:                csb.addService(DestinationQueueMonitorService.class,
265:                        destQFactory);
266:
267:                //  Singletons, though produced by factories.
268:                MessageDelivererFactory delivererFactory = new MessageDelivererFactory(
269:                        id);
270:                add(delivererFactory);
271:                csb.addService(MessageDeliverer.class, delivererFactory);
272:
273:                RouterFactory routerFactory = new RouterFactory();
274:                add(routerFactory);
275:                csb.addService(Router.class, routerFactory);
276:
277:                SendQueueFactory sendQFactory = new SendQueueFactory(this , id);
278:                add(sendQFactory);
279:                csb.addService(SendQueueProviderService.class, sendQFactory);
280:
281:                // load LinkProtocols
282:                new LinkProtocolFactory(this , csb);
283:            }
284:
285:            private Object findOrMakeProxy(Object requestor) {
286:                MessageTransportClient client = (MessageTransportClient) requestor;
287:                MessageAddress addr = client.getMessageAddress();
288:                long incarnation = client.getIncarnationNumber();
289:                MessageTransportServiceProxy proxy = (MessageTransportServiceProxy) proxies
290:                        .get(addr);
291:                if (proxy != null
292:                        && proxy.getIncarnationNumber() == incarnation) {
293:                    return proxy;
294:                }
295:
296:                // Make SendLink and attach aspect delegates
297:                SendLink link = new SendLinkImpl(addr, incarnation,
298:                        getChildServiceBroker());
299:                Class c = SendLink.class;
300:                Object raw = aspectSupport.attachAspects(link, c);
301:                link = (SendLink) raw;
302:
303:                // Make proxy
304:                proxy = new MessageTransportServiceProxy(client, link);
305:                proxies.put(addr, proxy);
306:                if (loggingService.isDebugEnabled())
307:                    loggingService
308:                            .debug("Created MessageTransportServiceProxy for "
309:                                    + requestor + " with address "
310:                                    + client.getMessageAddress());
311:                return proxy;
312:
313:            }
314:
315:            // ServiceProvider
316:
317:            public Object getService(ServiceBroker sb, Object requestor,
318:                    Class serviceClass) {
319:                if (serviceClass == MessageTransportService.class) {
320:                    if (requestor instanceof  MessageTransportClient) {
321:                        return findOrMakeProxy(requestor);
322:                    } else {
323:                        throw new IllegalArgumentException(
324:                                "Requestor is not a MessageTransportClient");
325:                    }
326:                } else if (serviceClass == MessageStatisticsService.class) {
327:                    StatisticsAspect aspect = (StatisticsAspect) aspectSupport
328:                            .findAspect(STATISTICS_ASPECT);
329:                    return aspect;
330:                } else if (serviceClass == MessageWatcherService.class) {
331:                    return new MessageWatcherServiceImpl(watcherAspect);
332:                } else if (serviceClass == AgentStatusService.class) {
333:                    return agentStatusAspect;
334:                } else {
335:                    return null;
336:                }
337:            }
338:
339:            public void releaseService(ServiceBroker sb, Object requestor,
340:                    Class serviceClass, Object service) {
341:                if (serviceClass == MessageTransportService.class) {
342:                    if (requestor instanceof  MessageTransportClient) {
343:                        MessageTransportClient client = (MessageTransportClient) requestor;
344:                        MessageAddress addr = client.getMessageAddress();
345:                        MessageTransportService svc = (MessageTransportService) proxies
346:                                .get(addr);
347:                        MessageTransportServiceProxy proxy = (MessageTransportServiceProxy) proxies
348:                                .get(addr);
349:                        if (svc != service)
350:                            return; // ???
351:                        proxies.remove(addr);
352:                        proxy.release();
353:                    }
354:                } else if (serviceClass == MessageStatisticsService.class) {
355:                    // The only resource used here is the StatisticsAspect,
356:                    // which stays around.  
357:                } else if (serviceClass == AgentStatusService.class) {
358:                    // The only resource used here is the aspect, which stays
359:                    // around.
360:                } else if (serviceClass == MessageWatcherService.class) {
361:                    if (service instanceof  MessageWatcherServiceImpl) {
362:                        ((MessageWatcherServiceImpl) service).release();
363:                    }
364:                }
365:            }
366:
367:            /**
368:             * @see org.cougaar.core.component.ContainerSupport#unload()
369:             */
370:            public void unload() {
371:                super.unload();
372:                aspectSupportImpl.unload();
373:
374:                msgFactory.releaseFactory();
375:            }
376:        }
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.