spring boot mongodb example

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automatic configuration (auto-configuration) Automatic configuration (auto-configuration) is one of the most important features of spring boot, because the feature is based on the classpath of the application (this is mainly based on Maven Pom.xml decision), annotations and some other Java configuration descriptors automatically configure the spring

database connection pool selection algorithm By default, database connections can be configured automatically using the DataSource pool. Here is an algorithm for selecting a specific implementation: because of the performance and concurrency of the Tomcat data source connection pool, we always use it preferentially when Tomcat is available. If HIKARICP is available, we will use it. If Commons DBCP is available, we will use it, but it is not recommended in the production environment. Finally, if

-boot-starter-data-jpa Support for the "Java persistence API" including SPRING-DATA-JPA, Spring-orm and Hibernate. Spring-boot-starter-data-mongodb Support for the

, where the UU field is only tested if the name does not correspond, will the value be assigned successfully PrivateString UU; PrivateString resume; PublicString GetName () {returnname; } Public voidsetName (String name) { This. Name =name; } PublicInteger getage () {returnAge ; } Public voidsetage (Integer age) { This. Age =Age ; } PublicString Getuu () {returnUU; } Public voidsetuu (String uu) { This. UU =UU; } PublicString Getresume () {returnResume; } Public v

different transaction manager when declaring a transaction. The transaction management configuration for different data sources can be found in the settings in Spring boot multi-data source configuration and use. When declaring a transaction, you only need to specify the configured transaction manager name through the Value property, for example: @Transactional

Classes that overwrite Auto-configuration Dynamic configuration with external properties "this article" Customizing the Error page "second article" The automatic configuration of Spring boot can save a lot of uninteresting configuration work, but not all automatic configuration can meet the requirements. For example, when you link a database, you nee

services in cloud platforms like Cloud Foundry and He Roku. spring-boot-starter-data-elasticsearch Support for the Elasticsearch search and analytics engine including Spring-data-elasticsearch. spring-boot-starter-data-gemfire Support f

relational database single-table query most of the functions, but also support the indexing of data. MongoDB's implementation of high-availability and read-write load balancing is very concise and friendly, and MongoDB comes with the concept of a replica set that can be highly available, read-write, and load balanced by designing the right set of replicas and drivers.These features of MongoDB are very hand

next period of time will be an important decision-making basis for the upgrade or not, because the spring boot 1.x version clearly illustrates the absence of a support plan for Java 9, in other words, if you want to run spring boot on Java 9, Then you must upgrade to Spring

store including Spring-data-gemfire. Spring-boot-starter-data-jpa Support for the "Java persistence API" including SPRING-DATA-JPA, Spring-orm and Hibernate. Spring-

Due to the needs of the project, the profile feature was added to the SPIRNG boot project today. Online Search a lap, also did not find a satisfactory reference, in fact, configuration is not difficult, is not a one stop (one-stop) to explain the place, so have the idea of writing this blog. Because of my limited level, any errors and omissions in this article welcome feedback. I hope this article can help you. The goals that this article achieves: 1

Spring Boot + Gradle + Websocket build push service Introduction Spring boot after a long period of development, has gradually become my first choice of microservices development, this article to build a push micro-service as an example, demonstrates how to use

[Spring Data MongoDB] learning notes -- modify template insertion and modification operations, mongodb integrates spring Insert operation: Directly give an example Import static org. springframework. data. mongodb. core. query. Cr

[Spring Data MongoDB] learning notes-awesome MongoTemplate and mongodb integration with spring The operation template is an interface between the database and the Code. All operations on the database are in it. Note: Producer template is thread-safe. Using template implements interface operations. It is generally recom