我在文件夹中有一个drl文件和一个.class文件。 drl包含建立在类属性上的规则。现在,通过Java程序,我想在某些输入上调用此规则。我在这里一无所知。请看下面的代码
import java.io.Serializable;
public class Txn754909164
implements Serializable
{
String sequenceNo;
String accountNumber;
String customerNumber;
// setter and getters
}
import Txn754909164;
import java.util.*;
dialect "mvel"
rule "rule6"
when
txn:Txn754909164(sequence == 10)
then
System.out.println( "invoking rule ***********************" );
end
public KieContainer kieContainer(String packageName) {
KieServices kieServices = KieServices.Factory.get();
KieFileSystem kieFileSystem = kieServices.newKieFileSystem();
kieFileSystem.write(ResourceFactory.newUrlResource("drl resource url..."));
KieBuilder kieBuilder = kieServices.newKieBuilder(kieFileSystem,MyInputClass.getClassLoader());
KieModule kieModule = null;
try {
kieBuilder.buildAll();
kieModule = kieBuilder.getKieModule();
} catch (Exception e) {
e.printStackTrace();
}
return kieServices.newKieContainer(kieServices.getRepository().getDefaultReleaseId(),cls.getClassLoader());
}
最后
StatelessKieSession kieSession = container.getKieBase().newStatelessKieSession();
kieSession.execute(obj);
日志
11:47:34.795 [http-nio-8282-exec-4] INFO o.d.c.k.b.impl.KieRepositoryImpl - KieModule was added: MemoryKieModule[releaseId=org.default:artifact:1.0.0-SNAPSHOT]
11:47:34.803 [http-nio-8282-exec-4] TRACE org.drools.core.phreak.AddRemoveRule - Adding Rule rule6
11:47:45.994 [AsyncResolver-bootstrap-executor-0] INFO c.n.d.s.r.aws.ConfigClusterResolver - Resolving eureka endpoints via configuration
11:47:49.899 [http-nio-8282-exec-4] TRACE o.drools.core.reteoo.EntryPointNode - Insert [fact 0:1:1764329060:1764329060:1:DEFAULT:NON_TRAIT:Txn754909164:Txn754909164@69298664]
11:47:52.953 [http-nio-8282-exec-4] INFO o.k.a.e.r.DebugRuleRuntimeEventListener - ==>[ObjectInsertedEventImpl: getFactHandle()=[fact 0:1:1764329060:1764329060:1:DEFAULT:NON_TRAIT:Txn754909164:Txn754909164@69298664], getObject()=Txn754909164@69298664, getKnowledgeRuntime()=KieSession[0], getPropagationContext()=PhreakPropagationContext [entryPoint=EntryPoint::DEFAULT, factHandle=[fact 0:1:1764329060:1764329060:1:DEFAULT:NON_TRAIT:Txn754909164:Txn754909164@69298664], leftTuple=null, originOffset=-1, propagationNumber=2, rule=null, type=INSERTION]]
11:48:41.571 [http-nio-8282-exec-4] DEBUG org.drools.core.common.DefaultAgenda - State was INACTIVE is now FIRING_ALL_RULES
11:48:41.572 [http-nio-8282-exec-4] TRACE org.drools.core.common.DefaultAgenda - Starting Fire All Rules
11:48:41.573 [http-nio-8282-exec-4] DEBUG org.drools.core.common.DefaultAgenda - State was FIRING_ALL_RULES is now HALTING
11:48:41.573 [http-nio-8282-exec-4] DEBUG org.drools.core.common.DefaultAgenda - State was HALTING is now INACTIVE
11:48:41.574 [http-nio-8282-exec-4] TRACE org.drools.core.common.DefaultAgenda - Ending Fire All Rules
11:48:41.575 [http-nio-8282-exec-4] DEBUG org.drools.core.common.DefaultAgenda - State was INACTIVE is now DISPOSED
应在drl规则的then子句中打印语句
答案 0 :(得分:0)