JAVA-19718 Minor corrections and fixes (#13865)

persistence-modules/spring-boot-persistence/src/main/java/com/baeldung/dataloading/ApplicationDataLoading.java

@@ -2,19 +2,15 @@ package com.baeldung.dataloading;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.ApplicationContext;
 import org.springframework.core.env.AbstractEnvironment;
 
-import com.baeldung.boot.Application;
-
 @SpringBootApplication(scanBasePackages = { "com.baeldung.dataloading" })
 public class ApplicationDataLoading {
-    private static ApplicationContext applicationContext;
 
 	public static void main(String[] args) {
 		System.setProperty(AbstractEnvironment.ACTIVE_PROFILES_PROPERTY_NAME, "datasource");
 
-        applicationContext = SpringApplication.run(Application.class, args);
+		SpringApplication.run(ApplicationDataLoading.class, args);
 	}
 
 }

persistence-modules/spring-boot-persistence/src/main/java/com/baeldung/dataloading/model/Country.java

@@ -0,0 +1,36 @@
+package com.baeldung.dataloading.model;
+
+import static javax.persistence.GenerationType.IDENTITY;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+
+@Entity
+public class Country {
+
+	@Id
+	@GeneratedValue(strategy = IDENTITY)
+	private Integer id;
+
+	@Column(nullable = false)
+	private String name;
+
+	public Integer getId() {
+		return id;
+	}
+
+	public void setId(Integer id) {
+		this.id = id;
+	}
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+}

persistence-modules/spring-boot-persistence/src/main/java/com/baeldung/dataloading/model/User.java

@@ -1,49 +0,0 @@
-package com.baeldung.dataloading.model;
-
-import javax.persistence.Entity;
-import javax.persistence.GeneratedValue;
-import javax.persistence.Id;
-import javax.persistence.Table;
-
-@Entity
-@Table(name = "users")
-public class User {
-
-    @Id
-    @GeneratedValue
-    private Integer id;
-    private String name;
-    private Integer status;
-
-    public User() {
-    }
-
-    public User(String name, Integer status) {
-        this.name = name;
-        this.status = status;
-    }
-
-    public Integer getId() {
-        return id;
-    }
-
-    public void setId(Integer id) {
-        this.id = id;
-    }
-
-    public String getName() {
-        return name;
-    }
-
-    public void setName(String name) {
-        this.name = name;
-    }
-
-    public Integer getStatus() {
-        return status;
-    }
-
-    public void setStatus(Integer status) {
-        this.status = status;
-    }
-}

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

@@ -2,10 +2,13 @@ spring.datasource.driver-class-name=org.h2.Driver
 spring.datasource.url=jdbc:h2:mem:db;DB_CLOSE_DELAY=-1
 spring.datasource.username=sa
 spring.datasource.password=
-spring.jpa.hibernate.ddl-auto=none
+
+spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
+spring.jpa.hibernate.ddl-auto=create
+spring.jpa.defer-datasource-initialization=true
+
 # Enabling H2 Console
 spring.h2.console.enabled=true
-# Uppercase Table Names
-spring.jpa.hibernate.naming.physical-strategy=org.hibernate.boot.model.naming.PhysicalNamingStrategyStandardImpl
-hibernate.globally_quoted_identifiers=true
-spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
+
+# By default enabled for Embedded Databases
+#spring.sql.init.mode=always