Source Code Cross Referenced for JoinNodeTest.java in  » Rule-Engine » drolls-Rule-Engine » org » drools » reteoo » 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 » Rule Engine » drolls Rule Engine » org.drools.reteoo 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        package org.drools.reteoo;
002:
003:        /*
004:         * Copyright 2005 JBoss Inc
005:         * 
006:         * Licensed under the Apache License, Version 2.0 (the "License");
007:         * you may not use this file except in compliance with the License.
008:         * You may obtain a copy of the License at
009:         * 
010:         *      http://www.apache.org/licenses/LICENSE-2.0
011:         * 
012:         * Unless required by applicable law or agreed to in writing, software
013:         * distributed under the License is distributed on an "AS IS" BASIS,
014:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015:         * See the License for the specific language governing permissions and
016:         * limitations under the License.
017:         */
018:
019:        import java.lang.reflect.Field;
020:        import java.util.ArrayList;
021:        import java.util.List;
022:
023:        import org.drools.DroolsTestCase;
024:        import org.drools.RuleBaseConfiguration;
025:        import org.drools.RuleBaseFactory;
026:        import org.drools.common.DefaultBetaConstraints;
027:        import org.drools.common.DefaultFactHandle;
028:        import org.drools.common.InternalFactHandle;
029:        import org.drools.common.PropagationContextImpl;
030:        import org.drools.rule.Rule;
031:        import org.drools.spi.BetaNodeFieldConstraint;
032:        import org.drools.spi.MockConstraint;
033:        import org.drools.spi.PropagationContext;
034:        import org.drools.util.FactEntry;
035:        import org.drools.util.Iterator;
036:
037:        public class JoinNodeTest extends DroolsTestCase {
038:            Rule rule;
039:            PropagationContext context;
040:            ReteooWorkingMemory workingMemory;
041:            MockObjectSource objectSource;
042:            MockTupleSource tupleSource;
043:            MockTupleSink sink;
044:            BetaNode node;
045:            BetaMemory memory;
046:            MockConstraint constraint = new MockConstraint();
047:
048:            /**
049:             * Setup the BetaNode used in each of the tests
050:             */
051:            public void setUp() {
052:                this .rule = new Rule("test-rule");
053:                this .context = new PropagationContextImpl(0,
054:                        PropagationContext.ASSERTION, null, null);
055:                this .workingMemory = new ReteooWorkingMemory(1,
056:                        (ReteooRuleBase) RuleBaseFactory.newRuleBase());
057:
058:                this .tupleSource = new MockTupleSource(4);
059:                this .objectSource = new MockObjectSource(4);
060:                this .sink = new MockTupleSink();
061:
062:                final RuleBaseConfiguration configuration = new RuleBaseConfiguration();
063:
064:                this .node = new JoinNode(
065:                        15,
066:                        this .tupleSource,
067:                        this .objectSource,
068:                        new DefaultBetaConstraints(
069:                                new BetaNodeFieldConstraint[] { this .constraint },
070:                                configuration));
071:
072:                this .node.addTupleSink(this .sink);
073:
074:                this .memory = (BetaMemory) this .workingMemory
075:                        .getNodeMemory(this .node);
076:
077:                // check memories are empty
078:                assertEquals(0, this .memory.getTupleMemory().size());
079:                assertEquals(0, this .memory.getFactHandleMemory().size());
080:
081:            }
082:
083:            public void testAttach() throws Exception {
084:                final Field objectFfield = ObjectSource.class
085:                        .getDeclaredField("sink");
086:                objectFfield.setAccessible(true);
087:                ObjectSinkPropagator objectSink = (ObjectSinkPropagator) objectFfield
088:                        .get(this .objectSource);
089:
090:                final Field tupleField = TupleSource.class
091:                        .getDeclaredField("sink");
092:                tupleField.setAccessible(true);
093:                TupleSinkPropagator tupleSink = (TupleSinkPropagator) tupleField
094:                        .get(this .tupleSource);
095:
096:                assertEquals(15, this .node.getId());
097:
098:                assertNotNull(objectSink);
099:                assertNotNull(tupleSink);
100:
101:                this .node.attach();
102:
103:                objectSink = (ObjectSinkPropagator) objectFfield
104:                        .get(this .objectSource);
105:                tupleSink = (TupleSinkPropagator) tupleField
106:                        .get(this .tupleSource);
107:
108:                assertEquals(1, objectSink.getSinks().length);
109:
110:                assertEquals(1, tupleSink.getSinks().length);
111:
112:                assertSame(this .node, objectSink.getSinks()[0]);
113:
114:                assertSame(this .node, tupleSink.getSinks()[0]);
115:            }
116:
117:            public void testMemory() {
118:                final ReteooWorkingMemory workingMemory = new ReteooWorkingMemory(
119:                        1, (ReteooRuleBase) RuleBaseFactory.newRuleBase());
120:
121:                final MockObjectSource objectSource = new MockObjectSource(1);
122:                final MockTupleSource tupleSource = new MockTupleSource(1);
123:
124:                final JoinNode joinNode = new JoinNode(2, tupleSource,
125:                        objectSource);
126:
127:                final BetaMemory memory = (BetaMemory) workingMemory
128:                        .getNodeMemory(joinNode);
129:
130:                assertNotNull(memory);
131:            }
132:
133:            /**
134:             * Test just tuple assertions
135:             * 
136:             * @throws AssertionException
137:             */
138:            public void testAssertTuple() throws Exception {
139:                final DefaultFactHandle f0 = new DefaultFactHandle(0, "cheese");
140:                final ReteTuple tuple0 = new ReteTuple(f0);
141:
142:                // assert tuple, should add one to left memory
143:                this .node.assertTuple(tuple0, this .context, this .workingMemory);
144:                // check memories, left memory is populated, right memory is emptys
145:                assertEquals(1, this .memory.getTupleMemory().size());
146:                assertEquals(0, this .memory.getFactHandleMemory().size());
147:
148:                // assert tuple, should add left memory should be 2
149:                final DefaultFactHandle f1 = new DefaultFactHandle(1, "cheese");
150:                final ReteTuple tuple1 = new ReteTuple(f1);
151:                this .node.assertTuple(tuple1, this .context, this .workingMemory);
152:                assertEquals(2, this .memory.getTupleMemory().size());
153:
154:                final Iterator it = this .memory.getTupleMemory().iterator();
155:                assertEquals(tuple0, it.next());
156:                assertEquals(tuple1, it.next());
157:            }
158:
159:            /**
160:             * Test just tuple assertions
161:             * 
162:             * @throws AssertionException
163:             */
164:            public void testAssertTupleSequentialMode() throws Exception {
165:                RuleBaseConfiguration conf = new RuleBaseConfiguration();
166:                conf.setSequential(true);
167:
168:                this .workingMemory = new ReteooWorkingMemory(1,
169:                        (ReteooRuleBase) RuleBaseFactory.newRuleBase(conf));
170:
171:                // override setup, so its working in sequential mode
172:                this .node = new JoinNode(
173:                        15,
174:                        this .tupleSource,
175:                        this .objectSource,
176:                        new DefaultBetaConstraints(
177:                                new BetaNodeFieldConstraint[] { this .constraint },
178:                                conf));
179:
180:                this .node.addTupleSink(this .sink);
181:
182:                this .memory = (BetaMemory) this .workingMemory
183:                        .getNodeMemory(this .node);
184:
185:                final DefaultFactHandle f0 = new DefaultFactHandle(0, "cheese");
186:                final ReteTuple tuple0 = new ReteTuple(f0);
187:
188:                this .node.assertObject(f0, this .context, this .workingMemory);
189:
190:                // assert tuple
191:                this .node.assertTuple(tuple0, this .context, this .workingMemory);
192:
193:                assertEquals(1, this .sink.getAsserted().size());
194:
195:                assertNull(this .memory.getTupleMemory());
196:
197:                assertEquals(1, this .memory.getFactHandleMemory().size());
198:
199:                assertEquals(new ReteTuple(tuple0, f0), ((Object[]) this .sink
200:                        .getAsserted().get(0))[0]);
201:            }
202:
203:            /**
204:             * Test just object assertions
205:             * 
206:             * @throws Exception
207:             */
208:            public void testAssertObject() throws Exception {
209:                final DefaultFactHandle f0 = (DefaultFactHandle) this .workingMemory
210:                        .insert("test0");
211:
212:                // assert object, should add one to right memory
213:                this .node.assertObject(f0, this .context, this .workingMemory);
214:                assertEquals(0, this .memory.getTupleMemory().size());
215:                assertEquals(1, this .memory.getFactHandleMemory().size());
216:
217:                // check new objects/handles still assert
218:                final DefaultFactHandle f1 = (DefaultFactHandle) this .workingMemory
219:                        .insert("test1");
220:                this .node.assertObject(f1, this .context, this .workingMemory);
221:                assertEquals(2, this .memory.getFactHandleMemory().size());
222:
223:                final Iterator it = this .memory.getFactHandleMemory().iterator(
224:                        new ReteTuple(f0));
225:
226:                final InternalFactHandle rf0 = ((FactEntry) it.next())
227:                        .getFactHandle();
228:                final InternalFactHandle rf1 = ((FactEntry) it.next())
229:                        .getFactHandle();
230:
231:                assertEquals(f0, rf0);
232:                assertEquals(f1, rf1);
233:            }
234:
235:            /**
236:             * Test assertion with both Objects and Tuples
237:             * 
238:             * @throws Exception
239:             */
240:            public void testAssertPropagations() throws Exception {
241:                // assert first right object
242:                final DefaultFactHandle f0 = (DefaultFactHandle) this .workingMemory
243:                        .insert("test0");
244:                this .node.assertObject(f0, this .context, this .workingMemory);
245:
246:                // assert tuple, should add left memory should be 2
247:                final DefaultFactHandle f1 = new DefaultFactHandle(1, "cheese");
248:                final ReteTuple tuple1 = new ReteTuple(f1);
249:                this .node.assertTuple(tuple1, this .context, this .workingMemory);
250:
251:                assertEquals(1, this .sink.getAsserted().size());
252:
253:                assertEquals(new ReteTuple(tuple1, f0), ((Object[]) this .sink
254:                        .getAsserted().get(0))[0]);
255:
256:                final DefaultFactHandle f2 = new DefaultFactHandle(2, "cheese");
257:                final ReteTuple tuple2 = new ReteTuple(f2);
258:                this .node.assertTuple(tuple2, this .context, this .workingMemory);
259:
260:                assertEquals(2, this .sink.getAsserted().size());
261:                assertEquals(new ReteTuple(tuple2, f0), ((Object[]) this .sink
262:                        .getAsserted().get(1))[0]);
263:
264:                final DefaultFactHandle f3 = (DefaultFactHandle) this .workingMemory
265:                        .insert("test2");
266:                this .node.assertObject(f3, this .context, this .workingMemory);
267:
268:                assertEquals(4, this .sink.getAsserted().size());
269:
270:                final List tuples = new ArrayList();
271:                tuples.add(((Object[]) this .sink.getAsserted().get(2))[0]);
272:                tuples.add(((Object[]) this .sink.getAsserted().get(3))[0]);
273:
274:                assertTrue(tuples.contains(new ReteTuple(tuple1, f3)));
275:                assertTrue(tuples.contains(new ReteTuple(tuple2, f3)));
276:            }
277:
278:            /**
279:             * Test Tuple retraction
280:             * 
281:             * @throws Exception
282:             * @throws RetractionException
283:             */
284:            public void testRetractTuple() throws Exception {
285:                // setup 2 tuples 3 fact handles
286:                final DefaultFactHandle f0 = (DefaultFactHandle) this .workingMemory
287:                        .insert("test0");
288:                this .node.assertObject(f0, this .context, this .workingMemory);
289:
290:                final DefaultFactHandle f1 = (DefaultFactHandle) this .workingMemory
291:                        .insert("test1");
292:                final ReteTuple tuple1 = new ReteTuple(f1);
293:                this .node.assertTuple(tuple1, this .context, this .workingMemory);
294:
295:                final DefaultFactHandle f2 = (DefaultFactHandle) this .workingMemory
296:                        .insert("test2");
297:                final ReteTuple tuple2 = new ReteTuple(f2);
298:                this .node.assertTuple(tuple2, this .context, this .workingMemory);
299:
300:                final DefaultFactHandle f3 = (DefaultFactHandle) this .workingMemory
301:                        .insert("test3");
302:                this .node.assertObject(f3, this .context, this .workingMemory);
303:
304:                final DefaultFactHandle f4 = (DefaultFactHandle) this .workingMemory
305:                        .insert("test4");
306:                this .node.assertObject(f4, this .context, this .workingMemory);
307:
308:                assertLength(6, this .sink.getAsserted());
309:
310:                // Double check the item is in memory
311:                final BetaMemory memory = (BetaMemory) this .workingMemory
312:                        .getNodeMemory(this .node);
313:                assertTrue(memory.getFactHandleMemory().contains(f0));
314:
315:                // Retract an object, check propagations  and memory
316:                this .node.retractObject(f0, this .context, this .workingMemory);
317:                assertLength(2, this .sink.getRetracted());
318:
319:                List tuples = new ArrayList();
320:                tuples.add(((Object[]) this .sink.getRetracted().get(0))[0]);
321:                tuples.add(((Object[]) this .sink.getRetracted().get(1))[0]);
322:
323:                assertTrue(tuples.contains(new ReteTuple(tuple1, f0)));
324:                assertTrue(tuples.contains(new ReteTuple(tuple1, f0)));
325:
326:                // Now check the item  is no longer in memory
327:                assertFalse(memory.getFactHandleMemory().contains(f0));
328:
329:                this .node
330:                        .retractTuple(tuple2, this .context, this .workingMemory);
331:                assertEquals(4, this .sink.getRetracted().size());
332:
333:                tuples = new ArrayList();
334:                tuples.add(((Object[]) this .sink.getRetracted().get(2))[0]);
335:                tuples.add(((Object[]) this .sink.getRetracted().get(3))[0]);
336:
337:                assertTrue(tuples.contains(new ReteTuple(tuple2, f3)));
338:                assertTrue(tuples.contains(new ReteTuple(tuple2, f4)));
339:            }
340:
341:            public void testConstraintPropagations() throws Exception {
342:                this .constraint.isAllowed = false;
343:                // assert first right object
344:                final DefaultFactHandle f0 = (DefaultFactHandle) this .workingMemory
345:                        .insert("test0");
346:                this .node.assertObject(f0, this .context, this .workingMemory);
347:
348:                // assert tuple, should add left memory should be 2
349:                final DefaultFactHandle f1 = new DefaultFactHandle(1, "cheese");
350:                final ReteTuple tuple1 = new ReteTuple(f1);
351:                this .node.assertTuple(tuple1, this .context, this .workingMemory);
352:
353:                // Should be no assertions
354:                assertLength(0, this .sink.getAsserted());
355:
356:                this .node.retractObject(f0, this .context, this .workingMemory);
357:                assertLength(0, this .sink.getRetracted());
358:            }
359:
360:            public void testUpdateSink() {
361:                final ReteooWorkingMemory workingMemory = new ReteooWorkingMemory(
362:                        1, (ReteooRuleBase) RuleBaseFactory.newRuleBase());
363:
364:                final JoinNode joinNode = new JoinNode(1, this .tupleSource,
365:                        this .objectSource);
366:
367:                // Add the first tuple sink and assert a tuple and object
368:                // The sink has no memory
369:                final MockTupleSink sink1 = new MockTupleSink(2);
370:                joinNode.addTupleSink(sink1);
371:
372:                final DefaultFactHandle f0 = new DefaultFactHandle(0, "string0");
373:
374:                final ReteTuple tuple1 = new ReteTuple(f0);
375:
376:                joinNode.assertTuple(tuple1, this .context, workingMemory);
377:
378:                final String string1 = "string1";
379:                final DefaultFactHandle string1Handle = new DefaultFactHandle(
380:                        1, string1);
381:
382:                joinNode.assertObject(string1Handle, this .context,
383:                        workingMemory);
384:
385:                assertLength(1, sink1.getAsserted());
386:
387:                // Add the new sink, this should be updated from the re-processed
388:                // joinnode memory
389:                final MockTupleSink sink2 = new MockTupleSink(3);
390:                assertLength(0, sink2.getAsserted());
391:
392:                joinNode.updateSink(sink2, this .context, workingMemory);
393:
394:                assertLength(1, sink2.getAsserted());
395:            }
396:
397:        }
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.