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38 changes: 38 additions & 0 deletions
38
...-core/src/main/java/com/yiqiniu/easytrans/protocol/AnnotationBusinessProviderBuilder.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| package com.yiqiniu.easytrans.protocol; | ||
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| import java.io.Serializable; | ||
| import java.lang.annotation.Annotation; | ||
| import java.lang.reflect.Method; | ||
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| import org.springframework.beans.BeansException; | ||
| import org.springframework.context.ApplicationContext; | ||
| import org.springframework.context.ApplicationContextAware; | ||
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| import com.yiqiniu.easytrans.executor.EasyTransExecutor; | ||
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| public abstract class AnnotationBusinessProviderBuilder implements ApplicationContextAware { | ||
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| private ApplicationContext ctx; | ||
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| protected ApplicationContext getApplicationContext() { | ||
| return ctx; | ||
| } | ||
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| @Override | ||
| public void setApplicationContext(ApplicationContext applicationContext) throws BeansException { | ||
| this.ctx = applicationContext; | ||
| } | ||
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| public abstract Class<? extends Annotation> getTargetAnnotation(); | ||
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| public abstract BusinessProvider<?> create(Annotation ann, Object proxyObj, Method targetMethod, Class<?> requestClass, String beanName); | ||
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| public abstract Class<? extends EasyTransRequest<?, ?>> getActualConfigClass(Annotation ann, Class<?> requestClass); | ||
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| @SuppressWarnings("rawtypes") | ||
| public static class NullEasyTransRequest<R extends Serializable,E extends EasyTransExecutor> implements EasyTransRequest{ | ||
| private static final long serialVersionUID = 1L; | ||
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| } | ||
| } |
66 changes: 66 additions & 0 deletions
66
easytrans-core/src/main/java/com/yiqiniu/easytrans/protocol/AnnotationProviderRegister.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| package com.yiqiniu.easytrans.protocol; | ||
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| import java.lang.annotation.Annotation; | ||
| import java.lang.reflect.Method; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
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| import org.springframework.aop.support.AopUtils; | ||
| import org.springframework.beans.BeansException; | ||
| import org.springframework.beans.factory.config.ConfigurableListableBeanFactory; | ||
| import org.springframework.beans.factory.config.InstantiationAwareBeanPostProcessorAdapter; | ||
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| import com.yiqiniu.easytrans.util.ReflectUtil; | ||
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| public class AnnotationProviderRegister extends InstantiationAwareBeanPostProcessorAdapter { | ||
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| private Map<Class<? extends Annotation>,AnnotationBusinessProviderBuilder> mapHandler; | ||
| private ConfigurableListableBeanFactory beanFactory; | ||
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| public AnnotationProviderRegister(List<AnnotationBusinessProviderBuilder> listHandler, ConfigurableListableBeanFactory beanFactory) { | ||
| this.beanFactory = beanFactory; | ||
| mapHandler = new HashMap<>(listHandler.size() * 2); | ||
| for(AnnotationBusinessProviderBuilder handler :listHandler) { | ||
| mapHandler.put(handler.getTargetAnnotation(), handler); | ||
| } | ||
| } | ||
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| @Override | ||
| public boolean postProcessAfterInstantiation(Object bean, String beanName) throws BeansException { | ||
| if(bean instanceof AnnotationBusinessProviderBuilder) { | ||
| return true; | ||
| } | ||
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| Class<?> targetClass = AopUtils.getTargetClass(bean); | ||
| for(Method m : targetClass.getMethods()) { | ||
| for(Annotation a : m.getAnnotations()) { | ||
| AnnotationBusinessProviderBuilder builder = mapHandler.get(a.annotationType()); | ||
| if(builder != null) { | ||
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| Class<?>[] parameterTypes = m.getParameterTypes(); | ||
| if(parameterTypes.length != 1) { | ||
| throw new IllegalArgumentException("method should conatins only One parameter, method:" + m); | ||
| } | ||
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| @SuppressWarnings("unchecked") | ||
| Class<? extends EasyTransRequest<?, ?>> requestClass = (Class<? extends EasyTransRequest<?, ?>>) parameterTypes[0]; | ||
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| //create and register in bean factory | ||
| BusinessProvider<?> provider = builder.create(a, bean, m, requestClass,beanName); | ||
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| Class<? extends EasyTransRequest<?, ?>> cfgClass = builder.getActualConfigClass(a, requestClass); | ||
| BusinessIdentifer businessIdentifer = ReflectUtil.getBusinessIdentifer(cfgClass); | ||
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| if(businessIdentifer == null) { | ||
| throw new RuntimeException("can not find BusinessIdentifer in request class!" + requestClass); | ||
| } | ||
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| beanFactory.registerSingleton(businessIdentifer.appId() + "-" + businessIdentifer.busCode() +"-provider", provider); | ||
| } | ||
| } | ||
| } | ||
| return true; | ||
| } | ||
| } |
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8 changes: 8 additions & 0 deletions
8
easytrans-core/src/main/java/com/yiqiniu/easytrans/protocol/RequestClassAware.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,8 @@ | ||
| package com.yiqiniu.easytrans.protocol; | ||
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| public interface RequestClassAware { | ||
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| public static final String GET_REQUEST_CLASS = "getRequestClass"; | ||
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| Class<? extends EasyTransRequest<?, ?>> getRequestClass(); | ||
| } |
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40 changes: 40 additions & 0 deletions
40
easytrans-core/src/main/java/com/yiqiniu/easytrans/protocol/aft/EtAfterMasterTrans.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,40 @@ | ||
| package com.yiqiniu.easytrans.protocol.aft; | ||
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| import java.lang.annotation.Documented; | ||
| import java.lang.annotation.ElementType; | ||
| import java.lang.annotation.Retention; | ||
| import java.lang.annotation.RetentionPolicy; | ||
| import java.lang.annotation.Target; | ||
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| import com.yiqiniu.easytrans.protocol.AnnotationBusinessProviderBuilder.NullEasyTransRequest; | ||
| import com.yiqiniu.easytrans.protocol.EasyTransRequest; | ||
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| /** | ||
| * place in method of the bean that managed by spring | ||
| * this method will do the TCC try | ||
| * confirmMethod and cancelMethod should in the same class | ||
| * @author xudeyou | ||
| * | ||
| */ | ||
| @Target(ElementType.METHOD) | ||
| @Retention(RetentionPolicy.RUNTIME) | ||
| @Documented | ||
| @SuppressWarnings("rawtypes") | ||
| public @interface EtAfterMasterTrans { | ||
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| /** | ||
| * BusinessProvider.IDENPOTENT_TYPE_FRAMEWORK | ||
| * BusinessProvider.IDENPOTENT_TYPE_BUSINESS | ||
| * @return | ||
| */ | ||
| int idempotentType(); | ||
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| /** | ||
| * 当标注的方法的入参并非继承自EasyTransRequest时，需要用本字段指定继承自该类的类 | ||
| * @return | ||
| */ | ||
| Class<? extends EasyTransRequest> cfgClass() default NullEasyTransRequest.class; | ||
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| } |
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