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Add Maven example for QueryDsl
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‎maven/kotlin-querydsl/.gitignore‎

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.DS_Store
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generated
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generated_tests
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.idea/
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*.iml
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*.iws
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*.ipr
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target/

‎maven/kotlin-querydsl/LICENSE.txt‎

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This project is imported and J2K-ed from this repository:
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https://github.com/bsideup/querydsl-gradle-idea

‎maven/kotlin-querydsl/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
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xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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<modelVersion>4.0.0</modelVersion>
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<groupId>org.jetbrains.kotlin.examples</groupId>
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<artifactId>querydsl-maven-example</artifactId>
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<version>1.0-SNAPSHOT</version>
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<properties>
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<kotlin.version>1.2-SNAPSHOT</kotlin.version>
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<junit.version>4.12</junit.version>
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<main.class>ru.trylogic.querydsl.example.Test</main.class>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<dependencies>
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<dependency>
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<groupId>com.mysema.querydsl</groupId>
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<artifactId>querydsl-jpa</artifactId>
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<version>3.6.3</version>
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</dependency>
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<dependency>
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<groupId>com.h2database</groupId>
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<artifactId>h2</artifactId>
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<version>1.4.187</version>
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</dependency>
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<dependency>
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<groupId>org.hibernate</groupId>
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<artifactId>hibernate-entitymanager</artifactId>
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<version>4.3.5.Final</version>
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</dependency>
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<dependency>
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<groupId>org.jetbrains.kotlin</groupId>
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<artifactId>kotlin-stdlib</artifactId>
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<version>${kotlin.version}</version>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>${junit.version}</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<artifactId>kotlin-maven-plugin</artifactId>
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<groupId>org.jetbrains.kotlin</groupId>
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<version>${kotlin.version}</version>
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<executions>
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<execution>
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<id>kapt</id>
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<goals>
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<goal>kapt</goal>
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</goals>
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<configuration>
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<sourceDirs>
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<sourceDir>src/main/kotlin</sourceDir>
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<!-- <sourceDir>src/main/java</sourceDir> -->
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</sourceDirs>
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<annotationProcessorPaths>
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<annotationProcessorPath>
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<groupId>com.mysema.querydsl</groupId>
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<artifactId>querydsl-apt</artifactId>
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<version>3.6.3</version>
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<classifier>jpa</classifier>
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</annotationProcessorPath>
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</annotationProcessorPaths>
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</configuration>
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</execution>
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<execution>
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<id>compile</id>
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<goals>
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<goal>compile</goal>
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</goals>
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<configuration>
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<sourceDirs>
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<sourceDir>src/main/kotlin</sourceDir>
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<sourceDir>src/main/java</sourceDir>
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</sourceDirs>
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</configuration>
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</execution>
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<execution>
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<id>test-kapt</id>
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<goals>
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<goal>test-kapt</goal>
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</goals>
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<configuration>
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<sourceDirs>
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<sourceDir>src/test/kotlin</sourceDir>
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<sourceDir>src/test/java</sourceDir>
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</sourceDirs>
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<annotationProcessorPaths>
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<annotationProcessorPath>
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<groupId>com.google.dagger</groupId>
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<artifactId>dagger-compiler</artifactId>
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<version>2.9</version>
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</annotationProcessorPath>
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</annotationProcessorPaths>
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</configuration>
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</execution>
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<execution>
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<id>test-compile</id>
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<goals>
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<goal>test-compile</goal>
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</goals>
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<configuration>
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<sourceDirs>
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<sourceDir>src/test/kotlin</sourceDir>
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<sourceDir>src/test/java</sourceDir>
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<sourceDir>target/generated-sources/kapt/test</sourceDir>
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</sourceDirs>
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</configuration>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.5.1</version>
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<configuration>
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<proc>none</proc>
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<source>1.6</source>
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<target>1.6</target>
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</configuration>
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<executions>
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<!-- Replacing default-compile as it is treated specially by maven -->
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<execution>
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<id>default-compile</id>
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<phase>none</phase>
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</execution>
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<!-- Replacing default-testCompile as it is treated specially by maven -->
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<execution>
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<id>default-testCompile</id>
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<phase>none</phase>
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</execution>
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<execution>
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<id>java-compile</id>
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<phase>compile</phase>
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<goals>
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<goal>compile</goal>
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</goals>
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</execution>
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<execution>
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<id>java-test-compile</id>
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<phase>test-compile</phase>
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<goals> <goal>testCompile</goal> </goals>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-jar-plugin</artifactId>
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<version>2.6</version>
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<configuration>
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<archive>
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<manifest>
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<addClasspath>true</addClasspath>
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<mainClass>${main.class}</mainClass>
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</manifest>
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</archive>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.codehaus.mojo</groupId>
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<artifactId>exec-maven-plugin</artifactId>
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<version>1.2.1</version>
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<executions>
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<execution>
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<phase>test</phase>
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<goals>
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<goal>java</goal>
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</goals>
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</execution>
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</executions>
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<configuration>
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<mainClass>${main.class}</mainClass>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</project>

‎maven/kotlin-querydsl/src/main/kotlin/ru/trylogic/querydsl/example/Test.kt‎

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package ru.trylogic.querydsl.example
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import com.mysema.query.jpa.impl.JPAQuery
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import org.hibernate.Hibernate
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import org.hibernate.SessionFactory
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import org.hibernate.cfg.Configuration
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import org.hibernate.cfg.Environment
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import javax.persistence.EntityManager
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import javax.persistence.EntityManagerFactory
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import javax.persistence.EntityTransaction
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import javax.persistence.Persistence
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import java.util.HashMap
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import ru.trylogic.querydsl.example.QUser.user
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object Test {
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@JvmStatic
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fun main(args: Array<String>) = Persistence.createEntityManagerFactory("unit").use { emf ->
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emf.createEntityManager().use { entityManager ->
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val transaction = entityManager.transaction
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transaction.begin()
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with (entityManager) {
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persist(User("Smith"))
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persist(User("Gates"))
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persist(User("Orlov"))
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persist(User("Smirnov"))
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persist(User("Orlov"))
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flush()
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}
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transaction.commit()
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val query = JPAQuery(entityManager)
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val uniqueUserNames = query.from(user)
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.where(user.name.like("%ov"))
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.groupBy(user.name)
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.list(user.name)
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println("Unique names: ")
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uniqueUserNames.forEach { println(it) }
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}
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}
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}
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inline fun <T> EntityManagerFactory.use(f: (EntityManagerFactory) -> T) = try { f(this) } finally { close() }
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inline fun <T> EntityManager.use(f: (EntityManager) -> T) = try { f(this) } finally { close() }

‎maven/kotlin-querydsl/src/main/kotlin/ru/trylogic/querydsl/example/User.kt‎

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package ru.trylogic.querydsl.example
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import javax.persistence.Entity
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import javax.persistence.GeneratedValue
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import javax.persistence.GenerationType
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import javax.persistence.Id
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@Entity
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class User(
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val name: String,
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@Id @GeneratedValue(strategy = GenerationType.IDENTITY) val id: Int = 0)

‎maven/kotlin-querydsl/src/main/resources/META-INF/persistence.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<persistence xmlns="http://java.sun.com/xml/ns/persistence" version="1.0">
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<persistence-unit name="unit">
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<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
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<class>ru.trylogic.querydsl.example.User</class>
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<properties>
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<property name="hibernate.connection.url" value="jdbc:h2:mem:"/>
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<property name="connection.jdbc.driver" value="org.h2.Driver"/>
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<property name="hibernate.dialect" value="org.hibernate.dialect.H2Dialect"/>
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<property name="javax.persistence.jdbc.user" value="sa" />
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<property name="javax.persistence.jdbc.password" value="" />
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<property name="hibernate.hbm2ddl.auto" value="create" />
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</properties>
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</persistence-unit>
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</persistence>

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