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Commit 28105d0

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Spring integración con QueryDSL
Integrar Spring y QueryDSL para facilitar la creación de consultas.
1 parent 0343b26 commit 28105d0

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<?xml version="1.0" encoding="UTF-8"?>
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<project-shared-configuration>
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<!--
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This file contains additional configuration written by modules in the NetBeans IDE.
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The configuration is intended to be shared among all the users of project and
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therefore it is assumed to be part of version control checkout.
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Without this configuration present, some functionality in the IDE may be limited or fail altogether.
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-->
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<spring-data xmlns="http://www.netbeans.org/ns/spring-data/1">
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<config-files>
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<config-file>src/main/resources/springXMLConfig.xml</config-file>
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<config-file>src/main/resources/beans.xml</config-file>
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</config-files>
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<config-file-groups/>
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</spring-data>
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</project-shared-configuration>

‎tutorial_spring_querydsl/nbactions.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<actions>
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<action>
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<actionName>run</actionName>
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<packagings>
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<packaging>jar</packaging>
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</packagings>
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<goals>
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<goal>process-classes</goal>
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<goal>org.codehaus.mojo:exec-maven-plugin:1.2.1:exec</goal>
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</goals>
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<properties>
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<exec.args>-classpath %classpath carmelo.spring.data.SpringDataJpa</exec.args>
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<exec.executable>java</exec.executable>
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</properties>
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</action>
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<action>
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<actionName>debug</actionName>
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<packagings>
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<packaging>jar</packaging>
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</packagings>
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<goals>
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<goal>process-classes</goal>
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<goal>org.codehaus.mojo:exec-maven-plugin:1.2.1:exec</goal>
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</goals>
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<properties>
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<exec.args>-Xdebug -Xrunjdwp:transport=dt_socket,server=n,address=${jpda.address} -classpath %classpath carmelo.spring.data.SpringDataJpa</exec.args>
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<exec.executable>java</exec.executable>
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<jpda.listen>true</jpda.listen>
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</properties>
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</action>
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<action>
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<actionName>profile</actionName>
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<packagings>
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<packaging>jar</packaging>
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</packagings>
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<goals>
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<goal>process-classes</goal>
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<goal>org.codehaus.mojo:exec-maven-plugin:1.2.1:exec</goal>
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</goals>
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<properties>
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<exec.args>-classpath %classpath carmelo.spring.data.SpringDataJpa</exec.args>
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<exec.executable>java</exec.executable>
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</properties>
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</action>
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</actions>

‎tutorial_spring_querydsl/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>carmelo.spring</groupId>
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<artifactId>tutorial_spring_querydsl</artifactId>
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<version>1.0</version>
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<packaging>jar</packaging>
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<name>Tutorial Spring QueryDSL</name>
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<description>Acceso a datos con Sprind Data JPA e integrando QueryDSL para facilitar las consultas.</description>
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<dependencyManagement>
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<dependencies>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-framework-bom</artifactId>
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<version>4.3.7.RELEASE</version>
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<type>pom</type>
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<scope>import</scope>
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</dependency>
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</dependencies>
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</dependencyManagement>
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<dependencies>
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<dependency>
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<groupId>org.hibernate</groupId>
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<artifactId>hibernate-core</artifactId>
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<version>4.3.11.Final</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>4.3.11.Final</version>
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</dependency>
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<dependency>
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<groupId>org.hsqldb</groupId>
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<artifactId>hsqldb</artifactId>
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<version>2.3.3</version>
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<scope>runtime</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.data</groupId>
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<artifactId>spring-data-jpa</artifactId>
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<!-- <version>1.11.1.RELEASE</version> -->
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<version>1.9.2.RELEASE</version>
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</dependency>
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<version>1.16.12</version>
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</dependency>
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<!-- bucar ultima version -->
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<!--
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<dependency>
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<groupId>com.querydsl</groupId>
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<artifactId>querydsl-apt</artifactId>
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<version>${querydsl.version}</version>
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<scope>provided</scope>
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</dependency>
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<dependency>
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<groupId>com.querydsl</groupId>
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<artifactId>querydsl-jpa</artifactId>
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<version>${querydsl.version}</version>
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</dependency>
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-->
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<!-- Query DSL integration -->
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<dependency>
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<groupId>com.mysema.querydsl</groupId>
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<artifactId>querydsl-apt</artifactId>
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<version>3.7.1</version>
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</dependency>
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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>3.7.1</version>
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</dependency>
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</dependencies>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<maven.compiler.source>1.8</maven.compiler.source>
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<maven.compiler.target>1.8</maven.compiler.target>
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<querydsl.version>3.7.1</querydsl.version>
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</properties>
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<build>
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<plugins>
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<plugin>
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<groupId>com.mysema.maven</groupId>
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<artifactId>apt-maven-plugin</artifactId>
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<version>1.1.3</version>
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<executions>
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<execution>
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<goals>
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<goal>process</goal>
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</goals>
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<configuration>
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<outputDirectory>target/generated-sources/java</outputDirectory>
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<!-- <processor>com.querydsl.apt.jpa.JPAAnnotationProcessor</processor> -->
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<processor>com.mysema.query.apt.jpa.JPAAnnotationProcessor</processor>
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</configuration>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>
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package carmelo.spring.data;
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import java.util.HashMap;
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import java.util.Map;
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import javax.sql.DataSource;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
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import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder;
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import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
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import org.springframework.orm.jpa.JpaTransactionManager;
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import org.springframework.orm.jpa.JpaVendorAdapter;
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import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
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import org.springframework.orm.jpa.vendor.Database;
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import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
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import org.springframework.transaction.PlatformTransactionManager;
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import org.springframework.transaction.annotation.EnableTransactionManagement;
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@Configuration
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@EnableTransactionManagement
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@EnableJpaRepositories("carmelo.spring.data.repository")
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public class SpringConfiguration {
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@Bean
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public DataSource dataSource() {
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return new EmbeddedDatabaseBuilder()
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.setType(EmbeddedDatabaseType.HSQL)
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.addScript("classpath:data/schema.sql")
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.addScript("classpath:data/data.sql")
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.generateUniqueName(true)
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.build();
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}
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@Bean
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public LocalContainerEntityManagerFactoryBean entityManagerFactory() {
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LocalContainerEntityManagerFactoryBean factoryBean
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= new LocalContainerEntityManagerFactoryBean();
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factoryBean.setDataSource(dataSource());
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factoryBean.setJpaVendorAdapter(jpaVendorAdapter());
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factoryBean.setPackagesToScan("carmelo.spring.data.model");
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factoryBean.setPersistenceUnitName("spring-data-pun");
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Map<String, String> props = new HashMap<>();
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props.put("hibernate.format_sql", "true");
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factoryBean.setJpaPropertyMap(props);
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return factoryBean;
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}
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@Bean
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public JpaVendorAdapter jpaVendorAdapter() {
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HibernateJpaVendorAdapter jpaVendorAdapter = new HibernateJpaVendorAdapter();
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jpaVendorAdapter.setGenerateDdl(false);
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jpaVendorAdapter.setDatabase(Database.HSQL);
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jpaVendorAdapter.setShowSql(true);
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return jpaVendorAdapter;
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}
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@Bean
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public PlatformTransactionManager transactionManager() {
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JpaTransactionManager transactionManager = new JpaTransactionManager();
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transactionManager.setEntityManagerFactory(entityManagerFactory().getObject());
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return transactionManager;
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}
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}
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package carmelo.spring.data;
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import carmelo.spring.data.model.QProduct;
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import carmelo.spring.data.repository.ProductRepository;
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import com.mysema.query.types.Predicate;
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import com.mysema.query.types.expr.BooleanExpression;
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import java.sql.SQLException;
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import org.springframework.context.annotation.AnnotationConfigApplicationContext;
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import org.springframework.context.support.AbstractApplicationContext;
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public class SpringDataJpa {
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public static void main(String[] args) throws SQLException {
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AbstractApplicationContext ctx
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= new AnnotationConfigApplicationContext(SpringConfiguration.class);
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ProductRepository pr = ctx.getBean(ProductRepository.class);
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QProduct qp = QProduct.product;
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BooleanExpression precio = qp.price.gt(100.0);
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BooleanExpression helado = qp.name.contains("Ice");
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Predicate helados_caros = helado.and(precio);
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pr.findAll(helados_caros).forEach(System.out::println);
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// pr.findAll(qp.isNotNull(), qp.price.asc())
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// .forEach(System.out::println);
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//
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// long count = pr.count(qp.price.between(50.0, 220.0));
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// System.out.println("count: " + count);
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ctx.close();
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}
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}
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package carmelo.spring.data.model;
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import javax.persistence.Entity;
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import javax.persistence.Id;
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import lombok.Data;
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@Data
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@Entity
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public class Product {
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@Id
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private Long id;
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private String name;
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private Double price;
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}
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package carmelo.spring.data.repository;
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import carmelo.spring.data.model.Product;
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import org.springframework.data.querydsl.QueryDslPredicateExecutor;
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import org.springframework.data.repository.CrudRepository;
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public interface ProductRepository extends
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CrudRepository<Product, Long>,
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QueryDslPredicateExecutor<Product> {
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}
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INSERT INTO Customer VALUES(0,'Laura','Steel','429 Seventh Av.','Dallas');
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INSERT INTO Product VALUES(0,'Iron Iron',54);
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INSERT INTO Customer VALUES(1,'Susanne','King','366 - 20th Ave.','Olten');
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INSERT INTO Product VALUES(1,'Chair Shoe',248);
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INSERT INTO Customer VALUES(2,'Anne','Miller','20 Upland Pl.','Lyon');
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INSERT INTO Product VALUES(2,'Telephone Clock',248);
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INSERT INTO Customer VALUES(3,'Michael','Clancy','542 Upland Pl.','San Francisco');
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INSERT INTO Product VALUES(3,'Chair Chair',254);
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INSERT INTO Customer VALUES(4,'Sylvia','Ringer','365 College Av.','Dallas');
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INSERT INTO Product VALUES(4,'Ice Tea Shoe',128);
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INSERT INTO Customer VALUES(5,'Laura','Miller','294 Seventh Av.','Paris');
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INSERT INTO Product VALUES(5,'Clock Clock',236);
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INSERT INTO Customer VALUES(6,'Laura','White','506 Upland Pl.','Palo Alto');
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INSERT INTO Product VALUES(6,'Ice Tea Chair',98);
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INSERT INTO Customer VALUES(7,'James','Peterson','231 Upland Pl.','San Francisco');
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INSERT INTO Product VALUES(7,'Telephone Shoe',84);
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INSERT INTO Customer VALUES(8,'Andrew','Miller','288 - 20th Ave.','Seattle');
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INSERT INTO Product VALUES(8,'Ice Tea Clock',226);
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INSERT INTO Customer VALUES(9,'James','Schneider','277 Seventh Av.','Berne');
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INSERT INTO Product VALUES(9,'Clock Telephone',172);
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INSERT INTO Customer VALUES(10,'Anne','Fuller','135 Upland Pl.','Dallas');
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INSERT INTO Product VALUES(10,'Telephone Ice Tea',204);
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CREATE TABLE Customer(
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ID INTEGER PRIMARY KEY,
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FirstName VARCHAR(20),
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LastName VARCHAR(30),
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Street VARCHAR(50),
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City VARCHAR(25));
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CREATE TABLE Product(
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ID INTEGER PRIMARY KEY,
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Name VARCHAR(30),
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Price DECIMAL);

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