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BAEL-3018 (#7230) 

* BAEL-3018

* BAEL-3018

* BAEL-3018

* BAEL-3018

* Replace Postgres by H2

* Resolve MongoDB conflict

* Method name incorrect

* Method name incorrect

* Add batch example

* Remove unnecesssary code at pom.xml

* Organize the code in packages

* Replaced Unit with Integration tests
This commit is contained in:
Rodrigo Graciano 2019-07-11 13:01:56 -04:00 committed by maibin
parent fc260052b7
commit 9f5986963c
6 changed files with 249 additions and 8 deletions
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65
spring-5-data-reactive/pom.xml
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@ -1,9 +1,9 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>spring-5-data-reactive</artifactId>
<name>spring-5-data-reactive</name>
<name>spring-5-data-reactive</name>
<packaging>jar</packaging>
<parent>
@ -49,11 +49,11 @@
<version>${kotlin.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<dependency>
<groupId>io.reactivex.rxjava2</groupId>
<artifactId>rxjava</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
@ -68,6 +68,39 @@
<artifactId>de.flapdoodle.embed.mongo</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-webflux</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>5.2.0.M2</version>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-r2dbc</artifactId>
<version>1.0.0.M2</version>
</dependency>
<dependency>
<groupId>io.r2dbc</groupId>
<artifactId>r2dbc-h2</artifactId>
<version>0.8.0.M8</version>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<version>1.4.199</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
@ -79,7 +112,7 @@
<plugin>
<artifactId>kotlin-maven-plugin</artifactId>
<version>${kotlin-maven-plugin.version}</version>
<executions>
<executions>
<execution>
<id>compile</id>
<goals>
@ -123,7 +156,7 @@
</dependency>
</dependencies>
</plugin>
<plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
@ -131,13 +164,13 @@
<target>${java.version}</target>
</configuration>
<executions>
<!-- Replacing default-compile as it is treated specially
<!-- Replacing default-compile as it is treated specially
by maven -->
<execution>
<id>default-compile</id>
<phase>none</phase>
</execution>
<!-- Replacing default-testCompile as it is treated specially
<!-- Replacing default-testCompile as it is treated specially
by maven -->
<execution>
<id>default-testCompile</id>
@ -167,5 +200,21 @@
<kotlin-maven-plugin.version>1.2.40</kotlin-maven-plugin.version>
</properties>
<repositories>
<repository>
<id>spring-snapshots</id>
<name>Spring Snapshots</name>
<url>https://repo.spring.io/snapshot</url>
<snapshots>
<enabled>true</enabled>
</snapshots>
</repository>
<repository>
<id>spring-milestones</id>
<name>Spring Milestones</name>
<url>https://repo.spring.io/milestone</url>
</repository>
</repositories>
</project>

15
spring-5-data-reactive/src/main/java/com/baeldung/r2dbc/R2dbcApplication.java Normal file
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@ -0,0 +1,15 @@
package com.baeldung.r2dbc;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.ComponentScan;
@SpringBootApplication
@ComponentScan(basePackages = "com.baeldung.r2dbc")
public class R2dbcApplication {
public static void main(String[] args) {
SpringApplication.run(R2dbcApplication.class, args);
}
}

21
spring-5-data-reactive/src/main/java/com/baeldung/r2dbc/configuration/R2DBCConfiguration.java Normal file
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@ -0,0 +1,21 @@
package com.baeldung.r2dbc.configuration;
import io.r2dbc.h2.H2ConnectionConfiguration;
import io.r2dbc.h2.H2ConnectionFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.r2dbc.config.AbstractR2dbcConfiguration;
import org.springframework.data.r2dbc.repository.config.EnableR2dbcRepositories;
@Configuration
//@EnableR2dbcRepositories(basePackages = "com.baeldung.r2dbc.repository")
public class R2DBCConfiguration extends AbstractR2dbcConfiguration {
@Bean
public H2ConnectionFactory connectionFactory() {
return new H2ConnectionFactory(
H2ConnectionConfiguration.builder()
.url("mem:testdb;DB_CLOSE_DELAY=-1;TRACE_LEVEL_FILE=4")
.username("sa")
.build());
}
}

16
spring-5-data-reactive/src/main/java/com/baeldung/r2dbc/model/Player.java Normal file
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@ -0,0 +1,16 @@
package com.baeldung.r2dbc.model;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.data.annotation.Id;
@Data
@NoArgsConstructor
@AllArgsConstructor
public class Player {
@Id
Integer id;
String name;
Integer age;
}

15
spring-5-data-reactive/src/main/java/com/baeldung/r2dbc/repository/PlayerRepository.java Normal file
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@ -0,0 +1,15 @@
package com.baeldung.r2dbc.repository;
import com.baeldung.r2dbc.model.Player;
import org.springframework.data.r2dbc.repository.query.Query;
import org.springframework.data.repository.reactive.ReactiveCrudRepository;
import reactor.core.publisher.Flux;
public interface PlayerRepository extends ReactiveCrudRepository<Player, Integer> {
@Query("select id, name, age from player where name = $1")
Flux<Player> findAllByName(String name);
@Query("select * from player where age = $1")
Flux<Player> findByAge(int age);
}

125
spring-5-data-reactive/src/test/java/com/baeldung/r2dbc/R2dbcApplicationIntegrationTest.java Normal file
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@ -0,0 +1,125 @@
package com.baeldung.r2dbc;
import com.baeldung.r2dbc.model.Player;
import com.baeldung.r2dbc.repository.PlayerRepository;
import io.r2dbc.h2.H2ConnectionFactory;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.data.r2dbc.core.DatabaseClient;
import org.springframework.test.context.junit4.SpringRunner;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Hooks;
import reactor.core.publisher.Mono;
import reactor.test.StepVerifier;
import java.util.Arrays;
import java.util.List;
@RunWith(SpringRunner.class)
@SpringBootTest
public class R2dbcApplicationIntegrationTest {
@Autowired
PlayerRepository playerRepository;
@Autowired
DatabaseClient client;
@Autowired
H2ConnectionFactory factory;
@Before
public void setup() {
Hooks.onOperatorDebug();
List<String> statements = Arrays.asList(//
"DROP TABLE IF EXISTS player;",
"CREATE table player (id INT AUTO_INCREMENT NOT NULL, name VARCHAR2, age INT NOT NULL);");
statements.forEach(it -> client.execute() //
.sql(it) //
.fetch() //
.rowsUpdated() //
.as(StepVerifier::create) //
.expectNextCount(1) //
.verifyComplete());
}
@Test
public void whenDeleteAll_then0IsExpected() {
playerRepository.deleteAll()
.as(StepVerifier::create)
.expectNextCount(0)
.verifyComplete();
}
@Test
public void whenInsert6_then6AreExpected() {
insertPlayers();
playerRepository.findAll()
.as(StepVerifier::create)
.expectNextCount(6)
.verifyComplete();
}
@Test
public void whenSearchForCR7_then1IsExpected() {
insertPlayers();
playerRepository.findAllByName("CR7")
.as(StepVerifier::create)
.expectNextCount(1)
.verifyComplete();
}
@Test
public void whenSearchFor32YearsOld_then2AreExpected() {
insertPlayers();
playerRepository.findByAge(32)
.as(StepVerifier::create)
.expectNextCount(2)
.verifyComplete();
}
@Test
public void whenBatchHas2Operations_then2AreExpected() {
Mono.from(factory.create())
.flatMapMany(connection -> Flux.from(connection
.createBatch()
.add("select * from player")
.add("select * from player")
.execute()))
.as(StepVerifier::create)
.expectNextCount(2)
.verifyComplete();
}
private void insertPlayers() {
List<Player> players = Arrays.asList(
new Player(1, "Kaka", 37),
new Player(2, "Messi", 32),
new Player(3, "Mbappé", 20),
new Player(4, "CR7", 34),
new Player(5, "Lewandowski", 30),
new Player(6, "Cavani", 32)
);
playerRepository.saveAll(players).subscribe();
}
}