反射

反射执行指定的方法

    public void reflectTest() throws Exception {
        Class clazz = Class.forName("com.jlpay.mng.agent.demo.AddAgent");
        Method processMethod = clazz.getMethod("process", int.class);
        processMethod.invoke(clazz.newInstance(), 10);
    }


public class AddAgent {
    public void process(int msg) {
        log.info("AddAgent process:" + msg);
    }
}

 

判断两个类型是否一致

boolean isAssign = TypeUtils.isAssignable(String.class, Integer.class);
        log.info("isAssign: " + isAssign);

 

获取注解名

@Target({ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
@Documented
@Inherited
public @interface HandlerType {

    FlowableProcKeyEnum processType();
}



Class clazz = Class.forName("com.jlpay.mng.agent.demo.AddAgent");
String type = clazz.getAnnotation(HandlerType.class).processType().value;