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‎.gitignore

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.gradle
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build/
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target/
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!gradle/wrapper/gradle-wrapper.jar
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!**/src/main/**
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!**/src/test/**
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### STS ###
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.apt_generated
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.classpath
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.factorypath
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.project
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.settings
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.springBeans
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.sts4-cache
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### IntelliJ IDEA ###
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.idea
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*.iws
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*.iml
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*.ipr
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out/
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### NetBeans ###
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/nbproject/private/
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/nbbuild/
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/dist/
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/nbdist/
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/.nb-gradle/
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### VS Code ###
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.vscode/

‎pom.xml

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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>demo</groupId>
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<artifactId>spring-data-jdbc-benchmarks</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>2.6.1</version>
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</parent>
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<properties>
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<java.version>1.17</java.version>
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<jmh.version>1.33</jmh.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<scope>provided</scope>
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</dependency>
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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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</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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<scope>runtime</scope>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-data-jpa</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-data-jdbc</artifactId>
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</dependency>
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<dependency>
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<groupId>org.openjdk.jmh</groupId>
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<artifactId>jmh-core</artifactId>
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<version>${jmh.version}</version>
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</dependency>
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<dependency>
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<groupId>org.openjdk.jmh</groupId>
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<artifactId>jmh-generator-annprocess</artifactId>
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<version>${jmh.version}</version>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-configuration-processor</artifactId>
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<optional>true</optional>
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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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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<configuration>
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<source>${java.version}</source>
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<target>${java.version}</target>
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<release>17</release>
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</configuration>
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</plugin>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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<executions>
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<execution>
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<goals>
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<goal>repackage</goal>
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</goals>
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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>

‎src/main/java/demo/benchmark/SpringDataJdbcBenchmarking.java

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package demo.benchmark;
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import java.util.concurrent.TimeUnit;
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import org.openjdk.jmh.annotations.Benchmark;
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import org.openjdk.jmh.annotations.BenchmarkMode;
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import org.openjdk.jmh.annotations.Measurement;
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import org.openjdk.jmh.annotations.Mode;
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import org.openjdk.jmh.annotations.Scope;
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import org.openjdk.jmh.annotations.Setup;
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import org.openjdk.jmh.annotations.State;
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import org.openjdk.jmh.annotations.Warmup;
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import org.openjdk.jmh.results.format.ResultFormatType;
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import org.openjdk.jmh.runner.Runner;
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import org.openjdk.jmh.runner.options.Options;
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import org.openjdk.jmh.runner.options.OptionsBuilder;
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import org.springframework.context.annotation.AnnotationConfigApplicationContext;
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import demo.jdbc.JdbcConfig;
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import demo.jdbc.Product;
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import demo.jdbc.ProductRepository;
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@State(Scope.Thread)
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@BenchmarkMode(Mode.AverageTime)
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@Warmup(iterations = 10)
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@Measurement(iterations = 10)
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public class SpringDataJdbcBenchmarking {
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private ProductRepository productJdbcRepository;
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private int id;
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@Setup
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public void setup() {
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initEm();
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Product product = new Product();
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product.setName("phone");
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productJdbcRepository.save(product);
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id = product.getId();
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}
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private void initEm() {
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AnnotationConfigApplicationContext context =
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new AnnotationConfigApplicationContext(
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JdbcConfig.class);
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productJdbcRepository = context.getBean(ProductRepository.class);
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}
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@Benchmark
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public demo.jdbc.Product springDataJdbcQuery() {
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return productJdbcRepository.findByName("phone");
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}
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//@Benchmark
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public demo.jdbc.Product insertProductJdbc() {
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demo.jdbc.Product product = new demo.jdbc.Product();
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product.setName("phone");
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return productJdbcRepository.save(product);
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}
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public static void main(String... args) throws Exception {
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Options opts = new OptionsBuilder().include(".*")
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.warmupIterations(5)
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.measurementIterations(5)
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.mode(Mode.AverageTime)
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.timeUnit(TimeUnit.NANOSECONDS).jvmArgs("-server").forks(1).resultFormat(ResultFormatType.TEXT).build();
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new Runner(opts).run();
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}
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}

‎src/main/java/demo/benchmark/SpringDataJpaBenchmarking.java

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package demo.benchmark;
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import java.util.concurrent.TimeUnit;
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import org.openjdk.jmh.annotations.Benchmark;
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import org.openjdk.jmh.annotations.BenchmarkMode;
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import org.openjdk.jmh.annotations.Measurement;
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import org.openjdk.jmh.annotations.Mode;
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import org.openjdk.jmh.annotations.Scope;
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import org.openjdk.jmh.annotations.Setup;
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import org.openjdk.jmh.annotations.State;
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import org.openjdk.jmh.annotations.Warmup;
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import org.openjdk.jmh.results.format.ResultFormatType;
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import org.openjdk.jmh.runner.Runner;
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import org.openjdk.jmh.runner.options.Options;
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import org.openjdk.jmh.runner.options.OptionsBuilder;
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import org.springframework.context.annotation.AnnotationConfigApplicationContext;
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import demo.jpa.JpaConfig;
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import demo.jpa.Product;
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import demo.jpa.ProductRepository;
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@State(Scope.Thread)
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@BenchmarkMode(Mode.AverageTime)
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@Warmup(iterations = 10)
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@Measurement(iterations = 10)
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public class SpringDataJpaBenchmarking {
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private ProductRepository productRepository;
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private int id;
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@Setup
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public void setup() {
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initEm();
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Product product = new Product();
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product.setName("phone");
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productRepository.save(product);
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id = product.getId();
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}
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private void initEm() {
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AnnotationConfigApplicationContext context =
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new AnnotationConfigApplicationContext(
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JpaConfig.class);
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productRepository = context.getBean(ProductRepository.class);
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}
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@Benchmark
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public Product springDataJpaQuery() {
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return productRepository.findByName("phone");
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}
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//@Benchmark
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public Product insertProductJpa() {
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Product product = new Product();
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product.setName("phone");
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return productRepository.save(product);
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}
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public static void main(String... args) throws Exception {
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Options opts = new OptionsBuilder().include(".*")
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.warmupIterations(5)
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.measurementIterations(5)
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.mode(Mode.AverageTime)
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.timeUnit(TimeUnit.NANOSECONDS).jvmArgs("-server").forks(1).resultFormat(ResultFormatType.TEXT).build();
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new Runner(opts).run();
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}
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}

‎src/main/java/demo/jdbc/JdbcConfig.java

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package demo.jdbc;
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import javax.sql.DataSource;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.context.annotation.Bean;
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import org.springframework.data.jdbc.repository.config.AbstractJdbcConfiguration;
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import org.springframework.data.jdbc.repository.config.EnableJdbcAuditing;
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import org.springframework.data.jdbc.repository.config.EnableJdbcRepositories;
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import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
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import org.springframework.jdbc.datasource.DataSourceTransactionManager;
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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.transaction.PlatformTransactionManager;
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@SpringBootApplication
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@EnableJdbcAuditing
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@EnableJdbcRepositories(basePackages = "demo.jdbc")
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public class JdbcConfig extends AbstractJdbcConfiguration {
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@Bean
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PlatformTransactionManager transactionManager() {
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return new DataSourceTransactionManager(dataSource());
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}
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@Bean
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public DataSource dataSource() {
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return new EmbeddedDatabaseBuilder().setType(EmbeddedDatabaseType.H2).addScript("dbinit.sql").build();
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}
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@Bean
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public NamedParameterJdbcTemplate namedTemplate(DataSource dataSource) {
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return new NamedParameterJdbcTemplate(dataSource);
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}
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}

‎src/main/java/demo/jdbc/Product.java

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package demo.jdbc;
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import org.springframework.data.annotation.Id;
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import org.springframework.data.relational.core.mapping.Table;
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import lombok.Getter;
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import lombok.Setter;
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@Getter
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@Setter
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@Table("PRODUCTS")
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public class Product {
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@Id
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private Integer id;
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private String name;
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private boolean enabled;
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}

‎src/main/java/demo/jdbc/ProductRepository.java

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package demo.jdbc;
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import org.springframework.data.repository.CrudRepository;
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public interface ProductRepository
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extends CrudRepository<Product, Integer> {
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Product findByName(String name);
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}
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‎src/main/java/demo/jpa/JpaConfig.java

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package demo.jpa;
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import javax.persistence.EntityManagerFactory;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.context.annotation.Bean;
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import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
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import org.springframework.orm.jpa.JpaTransactionManager;
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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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@SpringBootApplication
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@EnableTransactionManagement
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@EnableJpaAuditing
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public class JpaConfig {
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@Bean
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public PlatformTransactionManager transactionManager(EntityManagerFactory emf) {
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return new JpaTransactionManager(emf);
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}
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}

‎src/main/java/demo/jpa/Product.java

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package demo.jpa;
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import javax.persistence.Entity;
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import javax.persistence.GeneratedValue;
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import javax.persistence.Id;
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import javax.persistence.Table;
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import lombok.Getter;
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import lombok.Setter;
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@Getter
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@Setter
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@Table
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@Entity
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public class Product {
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@Id
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@GeneratedValue
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private Integer id;
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private String name;
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private boolean enabled;
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}

‎src/main/java/demo/jpa/ProductRepository.java

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package demo.jpa;
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import org.springframework.data.jpa.repository.JpaRepository;
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public interface ProductRepository extends JpaRepository<Product, Integer> {
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Product findByName(String name);
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}

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