Spring Boot & ES is worth reference!

Author: Waste senior brother cnblogs.com/cjsblog/p/9756978.html 1. Preface 1.1. Integration mode There are four ways to integrate Elasticsearch in Spring Boot: REST Client Jest Spring Data Spring Data Elasticsearch Repositories This paper uses the following two methods to connect and operate elastic search respectively 1.2. Environm ...

Posted by RwpTechAdMin on Fri, 19 Jun 2020 01:00:37 -0700

Do you really understand the downgrade of openFegin?

preface Fegin is a declarative pseudo Http client, which makes it easier to write Http clients. With Feign, you only need to create an interface and annotate it. It has pluggable annotation feature and can use fegin annotation and JAX-RS annotation. Fegin supports pluggable encoders and decoders. Fegi ...

Posted by Hailwood on Thu, 18 Jun 2020 19:41:56 -0700

Java day 38, Spring framework series, dependency injection -- profile injection

1, What is dependency injection Dependency management is managed and maintained by the spring framework. Other class resources needed by the current class are provided by spring. We only need to declare them in the configuration file. The maintenance of dependency is called dependency injection 2, ...

Posted by DarrenReeder on Thu, 18 Jun 2020 19:12:48 -0700

SpringCloud version Hoxton SR5 - Lecture 2: Differences between eureka, Eureka and zookeeper and usage scenarios.

------------------------------------------------ Cute dividing line--------------- Quote what I wrote: SpringCloud version Hoxton SR5 - Lesson 1: Understanding First look at what eureka can do, or its positioning and role in the project. The functions and functions mentioned before are in plain Chi ...

Posted by Dilbert137 on Thu, 18 Jun 2020 18:59:31 -0700

Spring Boot: elegant use of the API documentation tool Swagger2

introduction You must have been tortured by interface documents in the development process. Due to the lightweight and low coupling of RESTful interface, we did not update the documents in time after modifying the interface, resulting in frequent complaints from the interface callers (both front-end a ...

Posted by pk99 on Thu, 18 Jun 2020 18:55:13 -0700

Bean singleton managed objects and prototype managed objects

Object of single case management When scope = singleton, that is, by default, it is instantiated when the container is started (that is, when the container is instantiated). But we can specify the lazy init = "true" of the bean node to delay the initialization of the bean. In this case, the be ...

Posted by fluvly on Thu, 18 Jun 2020 18:38:31 -0700

[Spring framework] Introduction to Spring's IOC

IOC introduction of Spring Spring's IOC idea One of Spring's core ideas: IOC (Inversion Of Control) Inversion Of Control. Inversion Of Control (IOC): it is an important feature of the framework to hand over the creation, initialization, destruction and other work of objects to the framework. It's no ...

Posted by Robin M on Thu, 18 Jun 2020 03:34:40 -0700

Java foundation Demo04 -- Java design pattern singleton pattern

java singleton mode means to ensure that there is only one instance of a class and provide the instance to the global during the whole system operation. Main implementation mode: 1, Instant load Class objects are created as soon as the class file is loaded, whether or not they are called. (starving ...

Posted by calande on Wed, 17 Jun 2020 21:43:25 -0700

For a while, a dynamic thread pool was created, and the source code was put on Github, which suddenly caught fire

From: ape world, address: https://juejin.im/post/5ee9a2e7e51d457423261adb Explain the background Thread pool is still used in daily work. When asynchronous and batch processing tasks are needed, we will define a thread pool to handle them. There are some problems in the process of using thread p ...

Posted by knetcozd on Wed, 17 Jun 2020 20:45:16 -0700

Spring Boot: Spring Boot integrates RabbitMQ

preface RabbitMQ is a message queue. When it comes to message queues, you may have heard of it more or less. Its main function is to realize asynchronous and decoupling of application services, as well as to cut peak, fill valley and distribute messages. One of the main functions of message queuing in ...

Posted by .Stealth on Wed, 17 Jun 2020 19:10:40 -0700