How to understand Spring's transaction management

This article will show in detail how Spring Data MongoDB accesses the MongoDB database.

•Spring is a lightweight J2EE based on JAVA The application framework

– is based on Java: the bottom layer is implemented by the Java language

–Lightweight: lower resource consumption and faster running speed

–J2EEFramework: serving the entire J2EEDevelopment process

–webThe hierarchical design structure of the program

–Presentation layer/View layer/Weblayer (Servlet/JSP ,Struts2,...)

–Logic layer/Business layer

–Data layer/Persistence layer (JDBC,Hibernate3、…）

–(Understand )Service layer, domain model layer

•Spring is very powerful and can serve J2EE Every level in the development process

1. What is a transaction

Success will only occur if all tasks are successful. As long as one fails, it will not succeed

2. Characteristics of transactions

3 Reading problems will occur if isolation is not considered

4 Solve the reading problem

(1) Set the isolation level

Spring transaction management api

1 .Two ways of spring transaction management

The first one: programmatic transaction management (implementation by writing code)

The second one: declarative transaction management

           (1) Implementation based on xml configuration files

#Spring Data MongoDB in action

The above is the detailed content of How to understand Spring's transaction management. For more information, please follow other related articles on the PHP Chinese website!