diff --git a/spring-boot-h2/spring-boot-h2-database/.gitignore b/spring-boot-h2/spring-boot-h2-database/.gitignore new file mode 100644 index 0000000000..82eca336e3 --- /dev/null +++ b/spring-boot-h2/spring-boot-h2-database/.gitignore @@ -0,0 +1,25 @@ +/target/ +!.mvn/wrapper/maven-wrapper.jar + +### STS ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache + +### IntelliJ IDEA ### +.idea +*.iws +*.iml +*.ipr + +### NetBeans ### +/nbproject/private/ +/build/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ \ No newline at end of file diff --git a/spring-boot-h2/spring-boot-h2-database/pom.xml b/spring-boot-h2/spring-boot-h2-database/pom.xml new file mode 100644 index 0000000000..4b660334da --- /dev/null +++ b/spring-boot-h2/spring-boot-h2-database/pom.xml @@ -0,0 +1,52 @@ + + + 4.0.0 + + com.baeldung.h2db + spring-boot-h2-database + 0.0.1-SNAPSHOT + jar + + Demo Spring Boot applications that starts H2 in memory database + + + org.springframework.boot + spring-boot-starter-parent + 2.0.4.RELEASE + + + + + UTF-8 + UTF-8 + 1.8 + + + + + org.springframework.boot + spring-boot-starter-data-jpa + + + + com.h2database + h2 + + + org.springframework.boot + spring-boot-starter-test + test + + + + + + + org.springframework.boot + spring-boot-maven-plugin + + + + diff --git a/spring-boot-h2/spring-boot-h2-database/src/main/java/com/baeldung/h2db/demo/SpringBootApp.java b/spring-boot-h2/spring-boot-h2-database/src/main/java/com/baeldung/h2db/demo/SpringBootApp.java new file mode 100644 index 0000000000..1fe080ec22 --- /dev/null +++ b/spring-boot-h2/spring-boot-h2-database/src/main/java/com/baeldung/h2db/demo/SpringBootApp.java @@ -0,0 +1,60 @@ +package com.baeldung.h2db.demo; + +import java.sql.ResultSet; +import java.sql.SQLException; +import java.util.Arrays; +import javax.annotation.PostConstruct; +import org.h2.tools.Server; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.context.annotation.Bean; +import org.springframework.jdbc.core.JdbcTemplate; +import org.springframework.jdbc.core.RowMapper; + +@SpringBootApplication +public class SpringBootApp { + + @Autowired + private JdbcTemplate jdbcTemplate; + + public static void main(String[] args) { + SpringApplication.run(SpringBootApp.class, args); + } + + @PostConstruct + private void initDb() { + System.out.println(String.format( + "****** Creating table: %s, and Inserting test data ******", "Employees")); + + String sqlStatements[] = { + "drop table employees if exists", + "create table employees(id serial,first_name varchar(255),last_name varchar(255))", + "insert into employees(first_name, last_name) values('Eugen','Paraschiv')", + "insert into employees(first_name, last_name) values('Scott','Tiger')" + }; + + Arrays.asList(sqlStatements).stream().forEach(sql -> { + System.out.println(sql); + jdbcTemplate.execute(sql); + }); + + System.out.println(String.format("****** Fetching from table: %s ******", "Employees")); + jdbcTemplate.query("select id,first_name,last_name from employees", + new RowMapper() { + @Override + public Object mapRow(ResultSet rs, int i) throws SQLException { + System.out.println(String.format("id:%s,first_name:%s,last_name:%s", + rs.getString("id"), + rs.getString("first_name"), + rs.getString("last_name"))); + return null; + } + }); + } + + @Bean(initMethod = "start", destroyMethod = "stop") + public Server inMemoryH2DatabaseServer() throws SQLException { + return Server.createTcpServer("-tcp", "-tcpAllowOthers", "-tcpPort", "9091"); + } +} \ No newline at end of file diff --git a/spring-boot-h2/spring-boot-h2-database/src/main/resources/application.properties b/spring-boot-h2/spring-boot-h2-database/src/main/resources/application.properties new file mode 100644 index 0000000000..0591cc9e0f --- /dev/null +++ b/spring-boot-h2/spring-boot-h2-database/src/main/resources/application.properties @@ -0,0 +1,7 @@ +spring.datasource.url=jdbc:h2:mem:mydb +spring.datasource.driverClassName=org.h2.Driver +spring.datasource.username=sa +spring.datasource.password= +spring.jpa.hibernate.ddl-auto=create +spring.h2.console.enabled=true +spring.h2.console.path=/h2-console \ No newline at end of file diff --git a/spring-boot-h2/spring-boot-h2-remote-app/.gitignore b/spring-boot-h2/spring-boot-h2-remote-app/.gitignore new file mode 100644 index 0000000000..82eca336e3 --- /dev/null +++ b/spring-boot-h2/spring-boot-h2-remote-app/.gitignore @@ -0,0 +1,25 @@ +/target/ +!.mvn/wrapper/maven-wrapper.jar + +### STS ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache + +### IntelliJ IDEA ### +.idea +*.iws +*.iml +*.ipr + +### NetBeans ### +/nbproject/private/ +/build/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ \ No newline at end of file diff --git a/spring-boot-h2/spring-boot-h2-remote-app/pom.xml b/spring-boot-h2/spring-boot-h2-remote-app/pom.xml new file mode 100644 index 0000000000..8eb59d2098 --- /dev/null +++ b/spring-boot-h2/spring-boot-h2-remote-app/pom.xml @@ -0,0 +1,55 @@ + + + 4.0.0 + + com.baeldung.h2db + spring-boot-h2-remote-app + 0.0.1-SNAPSHOT + jar + + Demo Spring Boot applications that access H2 in memory database created + in another Spring Boot application + + + + org.springframework.boot + spring-boot-starter-parent + 2.0.4.RELEASE + + + + + UTF-8 + UTF-8 + 1.8 + + + + + org.springframework.boot + spring-boot-starter-data-jpa + + + + com.h2database + h2 + + + + org.springframework.boot + spring-boot-starter-test + test + + + + + + + org.springframework.boot + spring-boot-maven-plugin + + + + diff --git a/spring-boot-h2/spring-boot-h2-remote-app/src/main/java/com/baeldung/h2db/demo/ClientSpringBootApp.java b/spring-boot-h2/spring-boot-h2-remote-app/src/main/java/com/baeldung/h2db/demo/ClientSpringBootApp.java new file mode 100644 index 0000000000..39e52afd2c --- /dev/null +++ b/spring-boot-h2/spring-boot-h2-remote-app/src/main/java/com/baeldung/h2db/demo/ClientSpringBootApp.java @@ -0,0 +1,49 @@ +package com.baeldung.h2db.demo; + +import java.sql.ResultSet; +import java.sql.SQLException; +import java.util.Arrays; +import javax.annotation.PostConstruct; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; +import org.springframework.jdbc.core.JdbcTemplate; +import org.springframework.jdbc.core.RowMapper; + +@SpringBootApplication +public class ClientSpringBootApp { + + @Autowired + private JdbcTemplate jdbcTemplate; + + public static void main(String[] args) { + SpringApplication.run(ClientSpringBootApp.class, args); + } + + @PostConstruct + private void initDb() { + System.out.println("****** Inserting more sample data in the table: Employees ******"); + String sqlStatements[] = { + "insert into employees(first_name, last_name) values('Donald','Trump')", + "insert into employees(first_name, last_name) values('Barack','Obama')" + }; + + Arrays.asList(sqlStatements).stream().forEach(sql -> { + System.out.println(sql); + jdbcTemplate.execute(sql); + }); + + System.out.println(String.format("****** Fetching from table: %s ******", "Employees")); + jdbcTemplate.query("select id,first_name,last_name from employees", + new RowMapper() { + @Override + public Object mapRow(ResultSet rs, int i) throws SQLException { + System.out.println(String.format("id:%s,first_name:%s,last_name:%s", + rs.getString("id"), + rs.getString("first_name"), + rs.getString("last_name"))); + return null; + } + }); + } +} \ No newline at end of file diff --git a/spring-boot-h2/spring-boot-h2-remote-app/src/main/resources/application.properties b/spring-boot-h2/spring-boot-h2-remote-app/src/main/resources/application.properties new file mode 100644 index 0000000000..6c3446f03a --- /dev/null +++ b/spring-boot-h2/spring-boot-h2-remote-app/src/main/resources/application.properties @@ -0,0 +1,5 @@ +spring.datasource.url=jdbc:h2:tcp://localhost:9091/mem:mydb +spring.datasource.driverClassName=org.h2.Driver +spring.datasource.username=sa +spring.datasource.password= +spring.jpa.hibernate.ddl-auto=create \ No newline at end of file