spring-boot

问题 Is it good practice to have one class being both entity (mapped and stored in the database) and payload (object serialized and returned form REST endpoint) at the same time? I heard somewhere that entities should never go higher than service layer but rather should be mapped to DTO objects in services and then these DTO should be returned to controllers. I personally think this is bad practice because in such class we mix annotations for serializing to JSON and for mapping object to the

问题 Is it good practice to have one class being both entity (mapped and stored in the database) and payload (object serialized and returned form REST endpoint) at the same time? I heard somewhere that entities should never go higher than service layer but rather should be mapped to DTO objects in services and then these DTO should be returned to controllers. I personally think this is bad practice because in such class we mix annotations for serializing to JSON and for mapping object to the

问题 I have some questions about ssl in spring boot. I have files certifications and private key with extension .crt and .key. how can I get from them right format for settings in spring boot like this server.ssl.key-store-type=PKCS12 server.ssl.key-store=classpath:keystore.p12 server.ssl.key-store-password=password server.ssl.key-alias=tomcat 回答1: To convert a certificate file and private key to PKCS#12(.p12) format, use the below command: openssl pkcs12 -export -out certificate.p12 -inkey

问题 I want to read multiples properties files from a specific location, say C:\config . I'm taking help of @PropertySource annotation. Is there a way to read these files in Springboot using some wildcard character e.g (*.properties). So what I intended to achieve is something like this @PropertySource("*.properties") }) public class SomeClass{ } If not, Is there a way to create these @PropertySource("foo.properties") or @PropertySource("bar.properties") programmatically and provide them to

问题 Hi I use spring jpa and as I understand its working mechanism truely it created at once in a singleton way. Is it possible to change or recreate datasource on running environment.Scenario like this,Mypassword changed and if I wont stop application that time all my calls take exception.I have a mechanism to check password and change it dynamically and my others request get new password create new datasource and keep on working. And another question is I have multiple datasource,at the

问题 Hi I use spring jpa and as I understand its working mechanism truely it created at once in a singleton way. Is it possible to change or recreate datasource on running environment.Scenario like this,Mypassword changed and if I wont stop application that time all my calls take exception.I have a mechanism to check password and change it dynamically and my others request get new password create new datasource and keep on working. And another question is I have multiple datasource,at the

问题 Good day, I am using spring security to restrict user, and i am using mongodb. I have created UserDetail and userDetail Services. her is my webSecurity config. @Configuration @EnableWebSecurity public class WebSecurityConfig extends WebSecurityConfigurerAdapter { @Bean public UserDetailsService mongoUserDetails() { return new CustomUserDetailsService(); } @Bean public DaoAuthenticationProvider authProvider() { DaoAuthenticationProvider authProvider = new DaoAuthenticationProvider();

问题 I'm working on a Spring Boot application where I have a scenario to put @CachePut and @CacheEvict on the same method. I tried the scenario with this code given below : @CachePut(value="myValue",key="#entity.getId(),#entity.getOrgId()", cacheManager="no-expire-caching") @CacheEvict(value="myValue", key="#entity.getId(),#entity.getOrgId()", cacheManager="no-expire-caching", condition="#entity.isDeleted() == true") public MyEntity save(boolean flag, MyEntity entity){ if (flag==true){ entity

问题 I'm working on a Spring Boot application where I have a scenario to put @CachePut and @CacheEvict on the same method. I tried the scenario with this code given below : @CachePut(value="myValue",key="#entity.getId(),#entity.getOrgId()", cacheManager="no-expire-caching") @CacheEvict(value="myValue", key="#entity.getId(),#entity.getOrgId()", cacheManager="no-expire-caching", condition="#entity.isDeleted() == true") public MyEntity save(boolean flag, MyEntity entity){ if (flag==true){ entity

问题 I am creating some simple Spring Boot project with Hibernate JPA. I created some data model which consists 5 tables for now and created entities reflecting tables. I have set spring.jpa.generate-ddl=true and my entities was correctly reflected by schema created in PostgreSQL. Next step was to start adding relations. Part of my assumed datamodel is (paron my UML) Very simple one to many relation. My entities look that way (getters and setters omitted below, exist in code): @Entity public class