[BAEL-9696] - Moved persistence-related modules into the persistence folder

persistence-modules/spring-boot-h2/spring-boot-h2-database/src/main/java/com/baeldung/h2db/auto/configuration/AutoConfigurationDemo.java

@@ -0,0 +1,14 @@
+package com.baeldung.h2db.auto.configuration;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.ComponentScan;
+
+@SpringBootApplication
+public class AutoConfigurationDemo {
+
+    public static void main(String[] args) {
+        SpringApplication.run(AutoConfigurationDemo.class, args);
+    }
+
+}

persistence-modules/spring-boot-h2/spring-boot-h2-database/src/main/java/com/baeldung/h2db/demo/client/ClientSpringBootApp.java

@@ -0,0 +1,53 @@
+package com.baeldung.h2db.demo.client;
+
+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.context.annotation.ComponentScan;
+import org.springframework.context.annotation.PropertySource;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.jdbc.core.RowMapper;
+
+@SpringBootApplication
+@ComponentScan("com.baeldung.h2db.demo.client")
+public class ClientSpringBootApp {
+
+    @Autowired
+    private JdbcTemplate jdbcTemplate;
+
+    public static void main(String[] args) {
+        System.setProperty("spring.datasource.url","jdbc:h2:tcp://localhost:9091/mem:mydb");
+        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<Object>() {
+                @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;
+                }
+            });
+    }
+}

persistence-modules/spring-boot-h2/spring-boot-h2-database/src/main/java/com/baeldung/h2db/demo/server/SpringBootApp.java

@@ -0,0 +1,61 @@
+package com.baeldung.h2db.demo.server;
+
+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.context.annotation.ComponentScan;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.jdbc.core.RowMapper;
+
+@SpringBootApplication
+@ComponentScan("com.baeldung.h2db.demo.server")
+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<Object>() {
+                @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");
+    }
+}

persistence-modules/spring-boot-h2/spring-boot-h2-database/src/main/resources/application.properties

@@ -0,0 +1,8 @@
+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
+debug=true