Java 导入自己的枚举转换器
我有一个包含枚举属性的类Java 导入自己的枚举转换器,java,spring,mongodb,Java,Spring,Mongodb,我有一个包含枚举属性的类 public class Car{ private UserAction action; //getters setters } 我想从Mongo db中保存/读取它。我使用的是Spring框架 SpringConfig.xml <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-ins
public class Car{
private UserAction action;
//getters setters
}
我想从Mongo db中保存/读取它。我使用的是Spring框架
SpringConfig.xml
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mongo="http://www.springframework.org/schema/data/mongo"
xsi:schemaLocation="http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/data/mongo
http://www.springframework.org/schema/data/mongo/spring-mongo-1.0.xsd
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
<mongo:mongo host="127.0.0.1" port="27017" />
<mongo:db-factory dbname="dbName" />
<bean id="mappingContext"
class="org.springframework.data.mongodb.core.mapping.MongoMappingContext" />
<bean id="defaultMongoTypeMapper"
class="org.springframework.data.mongodb.core.convert.DefaultMongoTypeMapper">
<constructor-arg name="typeKey"><null/></constructor-arg>
</bean>
<bean id="mappingMongoConverter"
class="org.springframework.data.mongodb.core.convert.MappingMongoConverter">
<constructor-arg name="mongoDbFactory" ref="mongoDbFactory" />
<constructor-arg name="mappingContext" ref="mappingContext" />
<property name="typeMapper" ref="defaultMongoTypeMapper" />
</bean>
<bean id="mongoTemplate" class="org.springframework.data.mongodb.core.MongoTemplate">
<constructor-arg name="mongoDbFactory" ref="mongoDbFactory" />
<constructor-arg name="mongoConverter" ref="mappingMongoConverter" />
</bean>
<!--CODE BELOW CASES PROBLEMS-->
<mongo:mapping-converter id="mappingConverter">
<mongo:custom-converters>
<mongo:converter>
<bean class="myapp.mongo.converters.UserActionReadConverter"/>
</mongo:converter>
<mongo:converter>
<bean class="myapp.mongo.converters.UserActionWriteConverter"/>
</mongo:converter>
</mongo:custom-converters>
</mongo:mapping-converter>
</beans>
我不知道如何正确地将转换器映射到config.xml。它返回给我一个错误:
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.validation.beanvalidation.LocalValidatorFactoryBean#0': Invocation of init method failed; nested exception is javax.validation.ValidationException: Unable to create a Configuration, because no Bean Validation provider could be found. Add a provider like Hibernate Validator (RI) to your classpath.
第二个问题是。我想转换简单枚举,为此我使用“支持标识器”值。我可以在不使用枚举的情况下转换它吗?数据库中的数据将存储为{car.userAction:“data value”},而不是{car.value.userAction:“data value”}。谢谢。缺少验证程序库
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>5.2.3.Final</version>
</dependency>
org.hibernate
休眠验证器
5.2.3.最终版本
您是否使用控制器的任何验证?我不确定,您指的是什么控制器。为了方便起见,我编辑了问题并添加了操作初始化。
...
ApplicationContext ctx = new GenericXmlApplicationContext("SpringConfig.xml");
this.operations = (MongoOperations) ctx.getBean(beamName);
...
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.validation.beanvalidation.LocalValidatorFactoryBean#0': Invocation of init method failed; nested exception is javax.validation.ValidationException: Unable to create a Configuration, because no Bean Validation provider could be found. Add a provider like Hibernate Validator (RI) to your classpath.
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
<version>5.2.3.Final</version>
</dependency>