Query by Spec
Introduction and usage of Query by Spec (QBS)
Starter
Spring Starter
<dependency>
<groupId>tw.com.softleader.data.jakarta</groupId>
<artifactId>specification-mapper-starter</artifactId>
<version>${specification-mapper.version}</version>
</dependency>
requires specification.mapper;
requires specification.mapper.starter;
requires jakarta.persistence;
logging:
level:
tw.com.softleader.data.jpa.spec.starter: info
Check the latest version on Maven Central
The specification-mapper-starter integrates specification-mapper with Spring Data JPA and provides a way to query by specifications.
Query by Spec (QBS) is a user-friendly querying approach that allows you to dynamically build query conditions using specifications. With the QBS interface, you can execute query statements easily.
Getting Started
By adding the dependency in your pom.xml file, the specification-mapper-starter will automatically configure everything during the Spring Boot startup process, allowing you to start using it without any additional configuration. The starter includes the following features:
- Configuration for Query By Spec
- Registration of the default
SpecMapper
The auto-configuration is enabled by default, and you can control it through the spec.mapper.enabled property in your application’s properties file. To disable the auto-configuration, you can use the following configuration:
spec:
mapper:
enabled: false