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11 maj 2024 · This article will be a quick and practical introduction to Spring Data MongoDB. We’ll go over the basics using both the MongoTemplate as well as MongoRepository , with practical examples to illustrate each operation.
Insert a mixed Collection of objects into a database collection determining the collection name to use based on the class. If an object within the batch has an Id property which holds a null value, it will be set with the generated Id from MongoDB.
The template offers convenience operations to create, update, delete, and query MongoDB documents and provides a mapping between your domain objects and MongoDB documents. Once configured, MongoTemplate is thread-safe and can be reused across multiple instances.
Saving, Updating, and Removing Documents. MongoTemplate / ReactiveMongoTemplatge let you save, update, and delete your domain objects and map those objects to documents stored in MongoDB. The API signatures of the imperative and reactive API are mainly the same only differing in their return types. While the synchronous API uses void, single ...
MongoTemplate: Helper class that increases productivity for common tasks. Object Mapping: Feature rich, annotation driven object mapper. Lifecycle Events: Before and after save, update, delete hooks and events. Data Repositories: Repository interfaces including support for custom queries & aggregations.
7 mar 2023 · MongoTemplate is defined by Spring Data MongoDB, used to perform DB operations without using any repository interface. If you are reading this article in context of Spring Boot, you must have heard about the term JDBCTemplate.
Spring Data MongoDB uses the MongoTemplate to execute the queries behind your find* methods. You can use the template yourself for more complex queries, but this guide does not cover that. (see the Spring Data MongoDB Reference Guide)
