Java KieServices.newKieBuilder方法代碼示例

import org.kie.api.KieServices; //導入方法依賴的package包/類
private void initKie() {
  KieServices ks = KieServices.Factory.get();
  kfs = ks.newKieFileSystem();
  uploadDroolFiles();
  KieBuilder kbuilder = ks.newKieBuilder(kfs);
  kbuilder.buildAll();
  if (kbuilder.getResults().hasMessages(Level.ERROR)) {
    throw new IllegalArgumentException(kbuilder.getResults().toString());
  }
  KieContainer kcontainer = ks.newKieContainer(kbuilder.getKieModule().getReleaseId());
  KieBaseConfiguration kbConfig = KieServices.Factory.get().newKieBaseConfiguration();
  kbConfig.setOption(ConstraintJittingThresholdOption.get(-1));
  kbase = kcontainer.newKieBase(kbConfig);
}
 

import org.kie.api.KieServices; //導入方法依賴的package包/類
private  KieContainer loadContainerFromString(List<Rule> rules) {
    long startTime = System.currentTimeMillis();
    KieServices ks = KieServices.Factory.get();
    KieRepository kr = ks.getRepository();
    KieFileSystem kfs = ks.newKieFileSystem();

    for (Rule rule:rules) {
        String  drl=rule.getContent();
        kfs.write("src/main/resources/" + drl.hashCode() + ".drl", drl);
    }

    KieBuilder kb = ks.newKieBuilder(kfs);

    kb.buildAll();
    if (kb.getResults().hasMessages(Message.Level.ERROR)) {
        throw new RuntimeException("Build Errors:\n" + kb.getResults().toString());
    }
    long endTime = System.currentTimeMillis();
    System.out.println("Time to build rules : " + (endTime - startTime)  + " ms" );
    startTime = System.currentTimeMillis();
    KieContainer kContainer = ks.newKieContainer(kr.getDefaultReleaseId());
    endTime = System.currentTimeMillis();
    System.out.println("Time to load container: " + (endTime - startTime)  + " ms" );
    return kContainer;
}
 

import org.kie.api.KieServices; //導入方法依賴的package包/類
private KieContainer createKieContainer(String... ruleFiles) {
    KieServices ks = KieServices.Factory.get();
    KieFileSystem kfs = ks.newKieFileSystem();
    KieBuilder kieBuilder = ks.newKieBuilder(kfs);

    for (String ruleFile : ruleFiles) {
        InputStream ruleFileIs = DroolsTestSupport.class.getResourceAsStream("/" + ruleFile);
        Assert.assertNotNull("Can't open stream for rule file. Does it exist?", ruleFileIs);
        kfs.write(ks.getResources().newInputStreamResource(ruleFileIs).setSourcePath(ruleFile));
        try {
            ruleFileIs.close();
        } catch (IOException e) {
            throw new RuntimeException("InputStream of rule file could not be closed.");
        }
    }
    kieBuilder.buildAll();

    StringBuilder message = new StringBuilder();
    List<Message> messages = kieBuilder.getResults().getMessages();
    for (Message m : messages) {
        message.append(m.toString()).append("\n");
    }
    Assert.assertEquals(message.toString(), 0, messages.size());
    return ks.newKieContainer(ks.getRepository().getDefaultReleaseId());
}
 

import org.kie.api.KieServices; //導入方法依賴的package包/類
/** 
 * 初始化一個kjar：把原有的drl包含進新建的kjar中 
 * 
 * @param ks 
 * @param releaseId 
 * @return 
 * @throws IOException 
 */  
public static InternalKieModule initKieJar(KieServices ks, ReleaseId releaseId) throws IOException {  
    KieFileSystem kfs = createKieFileSystemWithKProject(ks, true);  
    kfs.writePomXML(getPom(releaseId));  
    for (File file : getRuleFiles()) {  
        kfs.write("src/main/resources/" + file.getName(),  
                ResourceFactory.newClassPathResource(RULES_PATH + File.separator + file.getName(), "UTF-8"));  
    }  
    KieBuilder kieBuilder = ks.newKieBuilder(kfs);  
    if (!kieBuilder.buildAll().getResults().getMessages().isEmpty()) {  
        throw new IllegalStateException("Error creating KieBuilder.");  
    }  
    return (InternalKieModule) kieBuilder.getKieModule();  
}
 

import org.kie.api.KieServices; //導入方法依賴的package包/類
public static InternalKieModule createKieJar(KieServices ks, ReleaseId releaseId, ResourceWrapper resourceWrapper) {  
    KieFileSystem kfs = createKieFileSystemWithKProject(ks, true);  
    kfs.writePomXML(getPom(releaseId));  
    kfs.write("src/main/resources/" + resourceWrapper.getTargetResourceName(), resourceWrapper.getResource());  
    KieBuilder kieBuilder = ks.newKieBuilder(kfs);  
    if (!kieBuilder.getResults().getMessages().isEmpty()) {  
        System.out.println(kieBuilder.getResults().getMessages());  
        throw new IllegalStateException("Error creating KieBuilder.");  
    }  
    return (InternalKieModule) kieBuilder.getKieModule();  
}
 

import org.kie.api.KieServices; //導入方法依賴的package包/類
public DecisionTableKieBaseProvider() {
	KieServices kieServices = KieServices.Factory.get();
	KieRepository kieRepository = kieServices.getRepository();
	KieFileSystem kieFileSystem = kieServices.newKieFileSystem();
	
	//addResource(kieFileSystem, "com.redhatbank.brms.tracktrace.model.SLACriteria.gdst");
	addResource(kieFileSystem, "org.acme.insurance.TestDS.xls");

	KieBuilder kieBuilder = kieServices.newKieBuilder(kieFileSystem);
	kieBuilder.buildAll();
	for (Message message : kieBuilder.getResults().getMessages()) {
		System.out.println(message);
	}
	kieContainer = kieServices.newKieContainer(kieRepository.getDefaultReleaseId());
}