<dependencies>
<!-- Querydsl JPA -->
<dependency>
<groupId>com.querydsl</groupId>
<artifactId>querydsl-jpa</artifactId>
<version>4.4.0</version>
</dependency>
<!-- Querydsl Codegen -->
<dependency>
<groupId>com.querydsl</groupId>
<artifactId>querydsl-apt</artifactId>
<version>4.4.0</version>
<scope>provided</scope>
</dependency>
<!-- Spring Data JPA -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<!-- Querydsl Codegen Plugin -->
<plugin>
<groupId>com.mysema.maven</groupId>
<artifactId>apt-maven-plugin</artifactId>
<version>1.1.3</version>
<executions>
<execution>
<goals>
<goal>process</goal>
</goals>
<configuration>
<outputDirectory>target/generated-sources</outputDirectory>
<processor>com.querydsl.apt.jpa.JPAAnnotationProcessor</processor>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
@Entity
public class User {
@Id
private Long id;
private String username;
private String email;
}
@Entity
@QueryEntity
public class User {
@Id
private Long id;
private String username;
private String email;
}
mvn clean compile
@Repository
public interface UserRepository extends JpaRepository<User, Long>, QuerydslPredicateExecutor<User> {
// ...
}
@Repository
public interface UserRepository extends JpaRepository<User, Long>, QuerydslPredicateExecutor<User> {
List<User> findByUsername(String username);
}
