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This article is excerpted from Spring 5 core principles Before reading this article, please read the following: 30 classes of custom ORM for handwritten Spring core principles (Part 1) (6) Custom ORM of 30 classes handwritten Spring core principles (Part 2) (7) 4. Underlying principle of dynamic data source switching Here is a brief intr ...

background From the perspective of source code, this paper mainly analyzes how the bottom layer of flink allocates tasks to each task executor for execution, as well as the thread model of task execution. It will involve how jobmaster distributes tasks to taskExecutor, the detailed process of task execution by taskExecutor, and the mailBox thr ...

Hello, I'm Lin Sanxin. Vue has implemented a set of content distribution API s, using the < slot > element as an exit to host the distribution content. This is the description on the Vue document. Specifically, a slot is a 'space' that allows you to add content to a component. Do you really know how a slot is "inserted"? I hope ...

This article is excerpted from Spring 5 core principlesBefore reading this article, please read the following:30 classes of custom ORM for handwritten Spring core principles (Part 1) (6)Custom ORM of 30 classes handwritten Spring core principles (Part 2) (7)4. Underlying principle of dynamic data source switchingHere is a brief introduction to ...

datax source code analysis - detailed explanation of task splitting mechanism Write in front The version of the source code analysis is 3.0. Because plug-ins are an important part of datax, the source code of plug-ins will be involved in the process of source code analysis. In order to maintain consistency, plug-ins have been illustrated by m ...

1. Important core interfaces 1.1 resource interface Inheritance system The Resource interface represents a Resource class, which is essentially an InputStream. It is used to read a configuration file and encapsulate it into a Resource. 1.2BeanDefinition interface BeanDefinition inheritance system According to the English meaning, bean def ...

This article is excerpted from Spring 5 core principles1. Idea integrated Lombok plug-in1.1 installing plug-insIntelliJ IDEA is an excellent integrated development tool with powerful functions and many plug-ins. Lombok is an open source code generation library and a very practical gadget. When editing entity classes, we can use Lombok annotatio ...

Spring is the most popular and powerful lightweight framework in Java. The life cycle of Spring Bean is also a high-frequency interview question. Understanding the Spring Bean cycle can also better help us solve problems in daily development. Programmers should know that the basic container of spring is ApplicationContext. At the strong suggest ...

Essence: locks are used to solve thread safety problems Other implementations of Lock in Java, such as WiteLock write Lock and ReadLock read Lock, are mainly expanded with ReentrantLock reentry Lock in this paper ReentrantLock reentrant lock Reentry lock and mutex lock are used to solve the deadlock problem 1. Use of reentrantlock static L ...

usage method The use method is very simple, according to Official documents The introduction is divided into three steps. Step 1: define events public static class MessageEvent { } Step 2: prepare subscribers Define subscription methods to handle received events. @Subscribe(threadMode = ThreadMode.MAIN) public void onMessageEvent(Messa ...