java - Drools 规则在 Spring Boot Controller 中不起作用，但在 Junit Test 中起作用

Question

在我学习流口水的第一天。我遇到了这个奇怪的问题。

drl 中的规则“Hello World”无法在 Controller 中运行，但在 Junit 测试用例中运行良好。规则“另一条规则”始终在 Controller 和 Junit 测试上运行。

Controller 和junit测试中的代码完全相同。

欢迎任何有想法的人。谢谢。

<小时/>

示例.drl:

package com.happylifeplat.checkin

import com.happylifeplat.checkin.managerorder.beans.RaBean1;

rule "Hello World"
   when
       $h : RaBean1( id == 1)
   then
       $h.setContent("from drl content");
       System.out.println("-----Hello World rule called  id == 1");
end

rule "Another rule"
   when
   then
       System.out.println("-----Another rule called");
end

kmodule.xml:

<?xml version="1.0" encoding="UTF-8"?>
<kmodule xmlns="http://jboss.org/kie/6.0.0/kmodule">
    <kbase name="rules" packages="rules">
        <ksession name="ksession-rules"/>
    </kbase>
</kmodule>

RaBean1.java:

package com.happylifeplat.checkin.managerorder.beans;

public class RaBean1 {
    private int id;
    private String content;

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getContent() {
        return content;
    }

    public void setContent(String content) {
        this.content = content;
    }
}

HelloController.java:

@RestController
@RequestMapping("/hello")
public class HelloController {

    private static KieContainer kieContainer;
    private KieSession sessionStatefull = null;

    @RequestMapping(value = "/helloworld", method = RequestMethod.GET)
    @ApiOperation(value = "hello")
    public Result metadata() {
        try {
            if (kieContainer == null) {
                kieContainer = KnowledgeSessionHelper.createRuleBase();
            }
            sessionStatefull = KnowledgeSessionHelper.getStatefulKnowledgeSessionWithCallback(kieContainer, "ksession-rules");
            RaBean1 bean1 = new RaBean1();
            bean1.setId(1);
            bean1.setContent("default content");
            sessionStatefull.insert(bean1);
            sessionStatefull.fireAllRules();
            return new Result(CommonCode.sussess, bean1.getContent());
        } catch (Exception e) {
            return new Result(CommonCode.fail, null);
        }
    }
}

HelloControllerTest.java:

@RunWith(SpringJUnit4ClassRunner.class)
@SpringApplicationConfiguration(classes = Application.class)
@ImportResource({"classpath:spring/applicationContext.xml"})
@IntegrationTest("server.port=0")
@WebAppConfiguration
public class HelloControllerTest {
    private static final Logger log = LoggerFactory.getLogger(HelloControllerTest.class);
    private MockMvc mockMvc;
    private static KieContainer kieContainer;
    private KieSession sessionStatefull = null;

    @Before
    public void setUp() throws Exception {
//        mockMvc = MockMvcBuilders.standaloneSetup(managerOrderController).build();
    }

    @Test
    public void helloTest() throws Exception {
        if (kieContainer == null) {
            kieContainer = KnowledgeSessionHelper.createRuleBase();
        }
        sessionStatefull = KnowledgeSessionHelper.getStatefulKnowledgeSessionWithCallback(kieContainer, "ksession-rules");
        RaBean1 bean1 = new RaBean1();
        bean1.setId(1);
        bean1.setContent("default content");
        sessionStatefull.insert(bean1);
        sessionStatefull.fireAllRules();
        System.out.println("rabean.getContent---->"+bean1.getContent());
    }
}

Answer 1

终于有 friend 帮我了。就是因为“热部署”。关闭它，问题就解决了。

它在 pom.xml 中:

    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-devtools</artifactId>
        <optional>true</optional>
    </dependency>