spring-data-mongodb

问题 I would like to add custom rest controller to be added to the json/hal response of the entry point, together with all the respositories that are added by spring. I'm struggling with this by two problems: How can I add my custom controller so it appears on the entry point together with the links to my repository? How can I decorate with a link to my custom controller on a representation of an entity produced by the repository so I can link to my custom controller? I have struggled for a while

问题 I have a simple Persistable Class: public class Profile implements Persistable<String>{ @Id private String username; @CreatedDate public Date createdDate; public Profile(String username) { this.username = username; } @Override public String getId() { return username; } @Override public boolean isNew() { return username == null; } } And a simple repository: public interface ProfileRepository extends MongoRepository<Profile, String> { } My Spring Boot Application class is also annotated with

问题 It appears that the update for mongoOperations do not trigger the events in AbstractMongoEventListener . This post indicates that was at least the case in Nov 2014 Is there currently any way to listen to update events like below? This seems to be quite a big omission if it is the case. MongoTemplate.updateMulti() Thanks! 回答1: This is no oversight. Events are designed around the lifecycle of a domain object or a document at least, which means they usually contain an instance of the domain

问题 I'm using annotation based configuration. @Configuration @Profile("default") @ComponentScan(basePackages = "com.*") @EnableMongoRepositories @EnableMongoAuditing public class ApplicationDataConfig .... And I also have @LastModifiedDate , @CreatedDate annotation set on fields of type org.joda.time.DateTime . When I use org.springframework.data.mongodb.repository.MongoRepository.save(entity) both the audit fields are updated just fine. But when I use org.springframework.data.mongodb.core

问题 I'm using annotation based configuration. @Configuration @Profile("default") @ComponentScan(basePackages = "com.*") @EnableMongoRepositories @EnableMongoAuditing public class ApplicationDataConfig .... And I also have @LastModifiedDate , @CreatedDate annotation set on fields of type org.joda.time.DateTime . When I use org.springframework.data.mongodb.repository.MongoRepository.save(entity) both the audit fields are updated just fine. But when I use org.springframework.data.mongodb.core

问题 I am working on Spring Boot Spring Data Mongo Pageable example. I want to set pagination value default page=1 and size=5 , if no one provided any values. Now when user provided any values, I want Pageable object to use those values and not default one. Crated Bug: https://jira.spring.io/browse/DATAMONGO-2313 Its not working in my case. Please guide. I'm not using Spring HATEOAS in my application. @GetMapping() public ResponseEntity<Page<Student>> getAllstudents(Pageable pageable){ return

问题 I need to know the equivalent code in spring data mongo db to the code below:- db.inventory.find( { qty: { $all: [ { "$elemMatch" : { size: "M", num: { $gt: 50} } }, { "$elemMatch" : { num : 100, color: "green" } } ] } } ) 回答1: I am able to get the answer. This can be done in Spring data mongodb using following code Query query = new Query(); query.addCriteria(Criteria.where("qty").elemMatch(Criteria.where("size").is("M").and("num").gt(50).elemMatch(Criteria.where("num").is(100).and("color")

问题 I want to to implement pagination in spring application.I know using repository we can implement pagination but we can not write our own query for data retrieve there are limited methods in repository that too there is no method accepting query class. If we want to write our custom query to retrieve data from mongodb we have to use mongotemaplete, as i know with mongotemplate we can not implement pagination. Is there any another way to implement pagination along with db queries. any one can

问题 I am using MongoDB via Java Driver (Spring Data MongoDB). Now my code is like: DBObject query = new BasicDBObject("user", user); mongoTemplate.getCollection("reports").distinct("category", query); Right now, the result list is not ordered. I want to it sorting by a ASC order. I have check this question Query MongoDB for ordered distinct values but I only get the answer which order the list by java side. How to order the result in MongoDB side? 回答1: I don't think you can use the Distinct

问题 I would like to make my web application that is using mongodb and spring-data multitenat. Basically I would like to replicate all my entities(collections) into different databases. Then (based on some rule as for example the user that is logged in the system) I want to store some entity instance (document) into the right database. For example I have a Service Called DBNameProviderService.getDbName() that dynamically returns me the name of the database. How can I use this service to