Inheritance

.gitignore

+**/target/
+/target/
+*/target/*
+.classpath
+.project
+.settings
+
+# Package Files #
+*.jar
+*.war
+*.ear
+
+*.iml
+*.idea
+
+derby.log
+/db/

pom.xml

+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>koz01.java2</groupId>
+	<artifactId>lab10</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<packaging>jar</packaging>
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<maven.compiler.source>15</maven.compiler.source>
+		<maven.compiler.target>15</maven.compiler.target>
+		<maven.compiler.version>3.8.1</maven.compiler.version>
+		<javafx.version>15.0.1</javafx.version>
+		<junit.version>5.7.1</junit.version>
+		<log4j.version>2.14.1</log4j.version>
+		<lombok.version>1.18.20</lombok.version>
+		<hibernate.version>5.4.30.Final</hibernate.version>
+		<derby.version>10.15.2.0</derby.version>
+	</properties>
+	<dependencies>
+		<dependency>
+			<groupId>org.openjfx</groupId>
+			<artifactId>javafx-controls</artifactId>
+			<version>${javafx.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>org.openjfx</groupId>
+			<artifactId>javafx-fxml</artifactId>
+			<version>${javafx.version}</version>
+		</dependency>
+		<!-- https://mvnrepository.com/artifact/org.junit.jupiter/junit-jupiter-api -->
+		<dependency>
+			<groupId>org.junit.jupiter</groupId>
+			<artifactId>junit-jupiter-api</artifactId>
+			<version>${junit.version}</version>
+			<scope>test</scope>
+		</dependency>
+		<!-- https://mvnrepository.com/artifact/org.junit.jupiter/junit-jupiter-engine -->
+		<dependency>
+			<groupId>org.junit.jupiter</groupId>
+			<artifactId>junit-jupiter-engine</artifactId>
+			<version>${junit.version}</version>
+			<scope>test</scope>
+		</dependency>
+		<!-- https://mvnrepository.com/artifact/org.junit.jupiter/junit-jupiter-params -->
+		<dependency>
+			<groupId>org.junit.jupiter</groupId>
+			<artifactId>junit-jupiter-params</artifactId>
+			<version>${junit.version}</version>
+			<scope>test</scope>
+		</dependency>
+		<!-- https://mvnrepository.com/artifact/org.projectlombok/lombok -->
+		<dependency>
+		    <groupId>org.projectlombok</groupId>
+		    <artifactId>lombok</artifactId>
+		    <version>${lombok.version}</version>
+		    <scope>provided</scope>
+		</dependency>
+		<!-- https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-api -->
+		<dependency>
+		    <groupId>org.apache.logging.log4j</groupId>
+		    <artifactId>log4j-api</artifactId>
+		    <version>${log4j.version}</version>
+		</dependency>
+		<!-- https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-api -->
+		<dependency>
+		    <groupId>org.apache.logging.log4j</groupId>
+		    <artifactId>log4j-core</artifactId>
+		    <version>${log4j.version}</version>
+		</dependency>
+	<!-- https://mvnrepository.com/artifact/org.hibernate/hibernate-core -->
+		<dependency>
+		    <groupId>org.hibernate</groupId>
+		    <artifactId>hibernate-core</artifactId>
+		    <version>${hibernate.version}</version>
+		</dependency>
+		<dependency>
+			<groupId>org.hibernate</groupId>
+			<artifactId>hibernate-jpamodelgen</artifactId>
+			<scope>provided</scope>
+			<version>${hibernate.version}</version>
+		</dependency>
+		
+		<!-- https://mvnrepository.com/artifact/org.apache.derby/derby -->
+		<dependency>
+			<groupId>org.apache.derby</groupId>
+			<artifactId>derby</artifactId>
+			<version>${derby.version}</version>
+		</dependency>
+		<!-- https://mvnrepository.com/artifact/org.apache.derby/derbyclient -->
+		<dependency>
+			<groupId>org.apache.derby</groupId>
+			<artifactId>derbyclient</artifactId>
+			<version>${derby.version}</version>
+		</dependency>
+		<!-- https://mvnrepository.com/artifact/org.apache.derby/derbytools -->
+		<dependency>
+			<groupId>org.apache.derby</groupId>
+			<artifactId>derbytools</artifactId>
+			<version>${derby.version}</version>
+		</dependency>
+	</dependencies>
+	<build>
+		<plugins>
+			<plugin>
+	            <groupId>org.apache.maven.plugins</groupId>
+	            <artifactId>maven-compiler-plugin</artifactId>
+	            <version>${maven.compiler.version}</version>
+	        </plugin>
+			<plugin>
+				<groupId>org.codehaus.mojo</groupId>
+				<artifactId>build-helper-maven-plugin</artifactId>
+				<version>3.2.0</version>
+				<configuration>
+					<sources>
+						<source>target/generated-sources/annotations</source>
+					</sources>
+				</configuration>
+				<executions>
+					<execution>
+						<id>add-source</id>
+						<phase>process-resources</phase>
+						<goals>
+							<goal>add-source</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
+			
+		</plugins>
+	</build>
+</project>

src/main/java/koz01/java2/lab10/NonTeachingStaff.java

+package koz01.java2.lab10;
+
+import javax.persistence.Entity;
+
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+
+@Data
+@EqualsAndHashCode(callSuper = true)
+@Entity
+@NoArgsConstructor
+public class NonTeachingStaff extends Staff {
+
+	private String areaexpertise;
+
+	public NonTeachingStaff(String sname, String areaexpertise) {
+		super(sname);
+		this.areaexpertise = areaexpertise;
+	}
+
+}

src/main/java/koz01/java2/lab10/Staff.java

+package koz01.java2.lab10;
+
+import java.io.Serializable;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.Inheritance;
+import javax.persistence.InheritanceType;
+
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@Entity
+@NoArgsConstructor
+@Inheritance(strategy = InheritanceType.TABLE_PER_CLASS)
+public class Staff implements Serializable {
+
+	@Id
+	@GeneratedValue(strategy = GenerationType.AUTO)
+	private Integer id;
+
+	private String sname;
+
+	public Staff(String sname) {
+		this.sname = sname;
+	}
+
+}

src/main/java/koz01/java2/lab10/TeachingStaff.java

+package koz01.java2.lab10;
+
+import javax.persistence.Entity;
+
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+
+@Data
+@EqualsAndHashCode(callSuper = true)
+@Entity
+@NoArgsConstructor
+public class TeachingStaff extends Staff {
+
+	private String qualification;
+	private String subjectexpertise;
+
+	public TeachingStaff(String sname, String qualification,
+		String subjectexpertise)
+	{
+		super(sname);
+		this.qualification = qualification;
+		this.subjectexpertise = subjectexpertise;
+	}
+
+}

src/main/java/module-info.java

+module koz01.java2.lab10 {
+		requires java.persistence;
+		requires lombok;
+		requires java.sql;
+		requires org.hibernate.orm.core;
+		requires java.compiler;
+		opens koz01.java2.lab10 to org.hibernate.orm.core;
+}
\ No newline at end of file

src/main/resources/META-INF/persistence.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    JBoss, Home of Professional Open Source
+    Copyright 2013, Red Hat, Inc. and/or its affiliates, and individual
+    contributors by the @authors tag. See the copyright.txt in the
+    distribution for a full listing of individual contributors.
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+    http://www.apache.org/licenses/LICENSE-2.0
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+<persistence version="2.0"
+   xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+   xsi:schemaLocation="
+        http://java.sun.com/xml/ns/persistence
+        http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">
+   <persistence-unit name="lab10" transaction-type="RESOURCE_LOCAL">
+      <provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
+      
+      <!-- HSQL -->
+      
+      <!-- If you are running in a production environment, add a managed 
+         data source, this example data source is just for development and testing! -->
+      <properties>
+         <!-- Properties for Hibernate -->
+          <property name="javax.persistence.jdbc.url" value="jdbc:derby:db/lab10;create=true" />
+          <property name="javax.persistence.jdbc.driver" value="org.apache.derby.jdbc.EmbeddedDriver" />
+
+          <property name="hibernate.show_sql" value="true" />
+          <property name="hibernate.format_sql" value="true" />
+          <property name="hibernate.dialect" value="org.hibernate.dialect.DerbyTenSevenDialect" />
+          <property name="hibernate.hbm2ddl.auto" value="update" />
+         
+      </properties>
+   </persistence-unit>
+   
+</persistence>

src/main/resources/koz01/java2/application.css

+/* JavaFX CSS - Leave this comment until you have at least create one rule which uses -fx-Property */
\ No newline at end of file

src/main/resources/log4j2.xml

+<Configuration>
+	<Appenders>
+		<Console name="Console">
+			<PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
+		</Console>
+	</Appenders>
+	<Loggers>
+		<Root level="info">
+			<AppenderRef ref="Console"></AppenderRef>
+		</Root>
+	</Loggers>
+</Configuration>
\ No newline at end of file

src/test/java/koz01/java2/lab10/DemoJPA.java

+package koz01.java2.lab10;
+
+import javax.persistence.EntityManager;
+import javax.persistence.EntityManagerFactory;
+import javax.persistence.Persistence;
+
+import org.junit.jupiter.api.Test;
+
+public class DemoJPA {
+
+	@Test
+	public void demonstrateInheritance() {
+		EntityManagerFactory emfactory = Persistence.createEntityManagerFactory(
+			"lab10");
+		EntityManager entitymanager = emfactory.createEntityManager();
+		entitymanager.getTransaction().begin();
+
+		// Teaching staff entity
+		TeachingStaff ts1 = new TeachingStaff("Gopal", "MSc MEd", "Maths");
+		TeachingStaff ts2 = new TeachingStaff("Manisha", "BSc BEd", "English");
+
+		// Non-Teaching Staff entity
+		NonTeachingStaff nts1 = new NonTeachingStaff("Satish", "Accounts");
+		NonTeachingStaff nts2 = new NonTeachingStaff("Krishna", "Office Admin");
+
+		// storing all entities
+		entitymanager.persist(ts1);
+		entitymanager.persist(ts2);
+		entitymanager.persist(nts1);
+		entitymanager.persist(nts2);
+
+		entitymanager.getTransaction().commit();
+		entitymanager.close();
+		emfactory.close();
+	}
+}