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Polish spring-cloud-incubator/spring-cloud-alibaba#500 : dubbo failed to transfer object using Fegin mode

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This commit is contained in:
mercyblitz 2019-04-02 17:43:44 +08:00
parent e32b020198
commit 026046fb15
4 changed files with 27 additions and 5 deletions
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19
spring-cloud-alibaba-dubbo/src/main/java/org/springframework/cloud/alibaba/dubbo/openfeign/DubboInvocationHandler.java
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@ -17,14 +17,18 @@
package org.springframework.cloud.alibaba.dubbo.openfeign;
import org.apache.dubbo.rpc.service.GenericService;
import org.springframework.cloud.alibaba.dubbo.metadata.RestMethodMetadata;
import org.springframework.cloud.alibaba.dubbo.service.DubboGenericServiceExecutionContext;
import org.springframework.cloud.alibaba.dubbo.service.DubboGenericServiceExecutionContextFactory;
import org.springframework.util.ClassUtils;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.util.Map;
import static org.apache.dubbo.common.utils.PojoUtils.realize;
/**
* Dubbo {@link GenericService} for {@link InvocationHandler}
*
@ -38,11 +42,15 @@ public class DubboInvocationHandler implements InvocationHandler {
private final DubboGenericServiceExecutionContextFactory contextFactory;
private final ClassLoader classLoader;
public DubboInvocationHandler(Map<Method, FeignMethodMetadata> feignMethodMetadataMap,
InvocationHandler defaultInvocationHandler,
ClassLoader classLoader,
DubboGenericServiceExecutionContextFactory contextFactory) {
this.feignMethodMetadataMap = feignMethodMetadataMap;
this.defaultInvocationHandler = defaultInvocationHandler;
this.classLoader = classLoader;
this.contextFactory = contextFactory;
}
@ -65,6 +73,15 @@ public class DubboInvocationHandler implements InvocationHandler {
String[] parameterTypes = context.getParameterTypes();
Object[] parameters = context.getParameters();
return dubboGenericService.$invoke(methodName, parameterTypes, parameters);
Object result = dubboGenericService.$invoke(methodName, parameterTypes, parameters);
Class<?> returnType = getReturnType(dubboRestMethodMetadata);
return realize(result, returnType);
}
private Class<?> getReturnType(RestMethodMetadata dubboRestMethodMetadata) {
String returnType = dubboRestMethodMetadata.getReturnType();
return ClassUtils.resolveClassName(returnType, classLoader);
}
}

2
spring-cloud-alibaba-dubbo/src/main/java/org/springframework/cloud/alibaba/dubbo/openfeign/TargeterBeanPostProcessor.java
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@ -69,7 +69,7 @@ public class TargeterBeanPostProcessor implements BeanPostProcessor, BeanClassLo
Class<?> targetClass = resolveClassName(TARGETER_CLASS_NAME, classLoader);
if (targetClass.isAssignableFrom(beanClass)) {
return newProxyInstance(classLoader, new Class[]{targetClass},
new TargeterInvocationHandler(bean, environment, dubboServiceMetadataRepository,
new TargeterInvocationHandler(bean, environment, classLoader, dubboServiceMetadataRepository,
dubboGenericServiceFactory, contextFactory));
}
}

9
spring-cloud-alibaba-dubbo/src/main/java/org/springframework/cloud/alibaba/dubbo/openfeign/TargeterInvocationHandler.java
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@ -57,17 +57,22 @@ class TargeterInvocationHandler implements InvocationHandler {
private final Environment environment;
private final ClassLoader classLoader;
private final DubboServiceMetadataRepository repository;
private final DubboGenericServiceFactory dubboGenericServiceFactory;
private final DubboGenericServiceExecutionContextFactory contextFactory;
TargeterInvocationHandler(Object bean, Environment environment, DubboServiceMetadataRepository repository,
TargeterInvocationHandler(Object bean, Environment environment,
ClassLoader classLoader,
DubboServiceMetadataRepository repository,
DubboGenericServiceFactory dubboGenericServiceFactory,
DubboGenericServiceExecutionContextFactory contextFactory) {
this.bean = bean;
this.environment = environment;
this.classLoader = classLoader;
this.repository = repository;
this.dubboGenericServiceFactory = dubboGenericServiceFactory;
this.contextFactory = contextFactory;
@ -134,7 +139,7 @@ class TargeterInvocationHandler implements InvocationHandler {
InvocationHandler defaultFeignClientInvocationHandler = Proxy.getInvocationHandler(defaultFeignClientProxy);
DubboInvocationHandler dubboInvocationHandler = new DubboInvocationHandler(feignMethodMetadataMap,
defaultFeignClientInvocationHandler, contextFactory);
defaultFeignClientInvocationHandler, classLoader, contextFactory);
return dubboInvocationHandler;
}

2
spring-cloud-alibaba-examples/spring-cloud-alibaba-dubbo-examples/spring-cloud-dubbo-consumer-sample/src/main/java/org/springframework/cloud/alibaba/dubbo/bootstrap/DubboSpringCloudConsumerBootstrap.java
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@ -192,7 +192,7 @@ public class DubboSpringCloudConsumerBootstrap {
// Dubbo Service call
System.out.println(restService.requestBodyMap(data, "Hello,World"));
// Spring Cloud Open Feign REST Call (Dubbo Transported)
// System.out.println(dubboFeignRestService.requestBody("Hello,World", data));
System.out.println(dubboFeignRestService.requestBody("Hello,World", data));
// Spring Cloud Open Feign REST Call
System.out.println(feignRestService.requestBody("Hello,World", data));