1 package gboat2.serviceflow;
2
3 import org.drools.KnowledgeBase;
4 import org.drools.KnowledgeBaseConfiguration;
5 import org.drools.KnowledgeBaseFactoryService;
6 import org.drools.builder.KnowledgeBuilder;
7 import org.drools.builder.KnowledgeBuilderConfiguration;
8 import org.drools.builder.KnowledgeBuilderFactoryService;
9 import org.drools.util.ServiceRegistry;
10
11 public final class JBPMHelper {
12
13 private static KnowledgeBase kbase = null;
14
15 private static KnowledgeBuilder kbuilder = null;
16
17 private static ServiceRegistry registry;
18
19 private JBPMHelper() {
20 }
21
22 public static KnowledgeBase getKnowledgeBase() {
23 if (kbase == null) {
24 KnowledgeBaseFactoryService knowledgeBaseFactoryService = (KnowledgeBaseFactoryService) registry.get(KnowledgeBaseFactoryService.class);
25 ClassLoader[] classLoaders = { JBPMHelper.class.getClassLoader() };
26 KnowledgeBaseConfiguration kbaseConf = knowledgeBaseFactoryService.newKnowledgeBaseConfiguration(null, classLoaders);
27 kbase = knowledgeBaseFactoryService.newKnowledgeBase(kbaseConf);
28 }
29 return JBPMHelper.kbase;
30 }
31
32 public static KnowledgeBuilder getKnowledgeBuilder() {
33 if (kbuilder == null) {
34 ClassLoader[] classLoaders = { JBPMHelper.class.getClassLoader() };
35 KnowledgeBuilderFactoryService knowledgeBuilderFactoryService = (KnowledgeBuilderFactoryService) registry
36 .get(KnowledgeBuilderFactoryService.class);
37 KnowledgeBuilderConfiguration kbConf = knowledgeBuilderFactoryService.newKnowledgeBuilderConfiguration(null, classLoaders);
38 kbuilder = knowledgeBuilderFactoryService.newKnowledgeBuilder(kbConf);
39 }
40 return JBPMHelper.kbuilder;
41 }
42
43 public static void setServiceRegistry(ServiceRegistry registry) {
44 JBPMHelper.registry = registry;
45 }
46
47 public static ServiceRegistry getServiceRegistry() {
48 return registry;
49 }
50 }