spring-batch-example | This is an example program for Spring Batch | Batch Processing library
kandi X-RAY | spring-batch-example Summary
kandi X-RAY | spring-batch-example Summary
This is an example program for Spring Batch. This is the test of spring batch which read from db table and write to db table (mysql). By default spring batch DataSource uses the HSQL. Here I am using JPA and set the database platform (like MySQL) to point to a specific database (other than the default HSQL). I am also using gradle wrapper (The wrapper is something you should check into version control. By distributing the wrapper with your project, anyone can work with it without needing to install Gradle beforehand. Add following to build.gradle. Command to create gradlew:-. I am also using Spring Boot (This helps to create a stand-along spring app - just run the app. To make the app spring-boot add the following line to build.gradle. Command to spring boot. CREATE TABLE person ( id bigint(20) NOT NULL AUTO_INCREMENT, first_name varchar(45) DEFAULT NULL, last_name varchar(45) DEFAULT NULL, PRIMARY KEY (id) ) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8;. CREATE TABLE account ( accountId bigint(20) NOT NULL, firstName varchar(45) DEFAULT NULL, lastName varchar(45) DEFAULT NULL, PRIMARY KEY (accountId) ) ENGINE=InnoDB DEFAULT CHARSET=utf8;. INSERT INTO account (accountId, firstName, lastName) VALUES (1,first name,last name);.
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Top functions reviewed by kandi - BETA
- Create a JPaging item reader .
- Build step 1 .
- Create a person from an account .
- Gets the last name .
- Gets the first name of the sentence .
- Sets the ID .
- Gets the id .
- Main command line entry point .
spring-batch-example Key Features
spring-batch-example Examples and Code Snippets
Community Discussions
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QUESTION
I am studying Spring Batch over Spring Boot following this tutorial: https://www.petrikainulainen.net/programming/spring-framework/spring-batch-tutorial-reading-information-from-a-rest-api/
Here the related GitHub project: https://github.com/pkainulainen/spring-batch-examples/tree/master/reading-data/rest-api
I am finding some difficulties trying to understand what is the exact execution flow and how can I modify it in order to implement my custom behavior. I try to explain my doubts here:
This project contains the SpringBatchExampleJobConfig configuration class where are define the beans used by the Spring bean factory. These beans should be injected into the other classes (is it correct?):
...ANSWER
Answered 2021-Aug-06 at 22:13There is more than one way to solve the problem. The most convenient is to use Spring Boot. You can then add any number of job beans to the application context and Spring Boot will launch all of them on application start-up or only a subset if you use the parameter spring.batch.job.names
. Please have a look the official documentation whether it fits your needs: https://docs.spring.io/spring-boot/docs/2.5.3/reference/html/howto.html#howto.batch
The most straightforward way to go about it, is to use bean names as qualifiers. By default, beans carry the name of the method producing them but you can also set it explicitly. For example, the following code sketch produces two job beans named jobOne
and jobTwo
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Install spring-batch-example
You can use spring-batch-example like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the spring-batch-example component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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