From 9cd47b00ba1b9575f00f84b305f4b1b9be78e681 Mon Sep 17 00:00:00 2001
From: Christopher Bohn <bohn@unl.edu>
Date: Fri, 28 Feb 2020 19:03:21 -0600
Subject: [PATCH] added code
---
.gitignore | 84 +++++++++++++++++++
pom.xml | 60 +++++++++++++
.../edu/unl/cse/csce361/hibernate/Fruit.java | 83 ++++++++++++++++++
.../cse/csce361/hibernate/FruitPopulator.java | 76 +++++++++++++++++
.../unl/cse/csce361/hibernate/FruitSalad.java | 53 ++++++++++++
src/main/resources/.gitignore | 2 +
src/main/resources/hibernate.cfg.xml-TEMPLATE | 37 ++++++++
7 files changed, 395 insertions(+)
create mode 100644 .gitignore
create mode 100644 pom.xml
create mode 100644 src/main/java/edu/unl/cse/csce361/hibernate/Fruit.java
create mode 100644 src/main/java/edu/unl/cse/csce361/hibernate/FruitPopulator.java
create mode 100644 src/main/java/edu/unl/cse/csce361/hibernate/FruitSalad.java
create mode 100644 src/main/resources/.gitignore
create mode 100644 src/main/resources/hibernate.cfg.xml-TEMPLATE
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..fb23144
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,84 @@
+# Project-specific
+# none (for now)
+
+# Mac file finder metadata
+.DS_Store
+# Emacs backup file
+*~
+
+# Java files
+*.class
+javadoc/
+
+# IntelliJ IDEA files
+.idea/
+out/
+*.iml
+*.iws
+*.ipr
+
+# Eclipse files
+bin/
+.settings/
+.classpath
+.project
+
+# Visual Studio / VS Code files
+.vs*/
+*.rsuser
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+*_i.c
+*_p.c
+*_h.h
+*.ilk
+*.meta
+*.obj
+*.iobj
+*.pch
+*.pdb
+*.ipdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*_wpftmp.csproj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Netbeans files
+nbproject/private/
+build/
+nbbuild/
+dist/
+nbdist/
+nbactions.xml
+nb-configuration.xml
+
+# Xcode files
+*.xcodeproj/
+xcuserdata/
+.build/
+
+# Maven
+target/
+
+# Miscellaneous
+tmp/
+*.bak
+*.bk
+*.swp
+*.gcno
+
diff --git a/pom.xml b/pom.xml
new file mode 100644
index 0000000..3904a28
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+
+ <groupId>edu.unl.cse.csce361</groupId>
+ <artifactId>hibernate-example</artifactId>
+ <version>1.0-SNAPSHOT</version>
+
+ <build>
+ <plugins>
+ <plugin>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <version>3.8.1</version>
+ <configuration>
+ <source>8</source>
+ <target>8</target>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+
+ <dependencies>
+
+ <!-- FOR PRODUCTION CODE -->
+
+ <!-- https://mvnrepository.com/artifact/org.hibernate/hibernate-core -->
+ <dependency>
+ <groupId>org.hibernate</groupId>
+ <artifactId>hibernate-core</artifactId>
+ <version>5.4.12.Final</version>
+ </dependency>
+ <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
+ <dependency>
+ <groupId>mysql</groupId>
+ <artifactId>mysql-connector-java</artifactId>
+ <version>8.0.19</version>
+ </dependency>
+
+ <!-- FOR TEST CODE -->
+
+ <!-- https://mvnrepository.com/artifact/junit/junit -->
+ <dependency>
+ <groupId>junit</groupId>
+ <artifactId>junit</artifactId>
+ <version>4.13</version>
+ <scope>test</scope>
+ </dependency>
+ <!-- https://mvnrepository.com/artifact/org.hsqldb/hsqldb -->
+ <dependency>
+ <groupId>org.hsqldb</groupId>
+ <artifactId>hsqldb</artifactId>
+ <version>2.5.0</version>
+ <scope>test</scope>
+ </dependency>
+
+ </dependencies>
+
+</project>
diff --git a/src/main/java/edu/unl/cse/csce361/hibernate/Fruit.java b/src/main/java/edu/unl/cse/csce361/hibernate/Fruit.java
new file mode 100644
index 0000000..0fe545a
--- /dev/null
+++ b/src/main/java/edu/unl/cse/csce361/hibernate/Fruit.java
@@ -0,0 +1,83 @@
+package edu.unl.cse.csce361.hibernate;
+
+import javax.persistence.*;
+
+@SuppressWarnings("unused")
+@Entity
+public class Fruit {
+ @Id
+ @GeneratedValue
+ private Integer id;
+
+ @Column
+ private String fruitType;
+
+ @Column
+ private String color;
+
+ @Column
+ private Integer massInGrams;
+
+ @ManyToOne
+ @JoinColumn(name = "fruitSalad")
+ private FruitSalad salad;
+
+ public Fruit() { // 0-argument constructor
+ }
+
+ public Fruit(String fruitType, String color) { // convenience constructor
+ setFruitType(fruitType);
+ setColor(color);
+ }
+
+ public Fruit(String fruitType, String color, int massInGrams) { // convenience constructor
+ setFruitType(fruitType);
+ setColor(color);
+ setMassInGrams(massInGrams);
+ }
+
+ public Integer getId() {
+ return id;
+ }
+
+ public void setId(Integer id) {
+ this.id = id;
+ }
+
+ public String getFruitType() {
+ return fruitType;
+ }
+
+ public void setFruitType(String fruitType) {
+ this.fruitType = fruitType;
+ }
+
+ public String getColor() {
+ return color;
+ }
+
+ public void setColor(String color) {
+ this.color = color;
+ }
+
+ public Integer getMassInGrams() {
+ return massInGrams;
+ }
+
+ public void setMassInGrams(Integer massInGrams) {
+ this.massInGrams = massInGrams;
+ }
+
+ public FruitSalad getSalad() {
+ return salad;
+ }
+
+ public void setSalad(FruitSalad salad) {
+ this.salad = salad;
+ }
+
+ @Override
+ public String toString() {
+ return getMassInGrams() + "g of " + getFruitType();
+ }
+}
diff --git a/src/main/java/edu/unl/cse/csce361/hibernate/FruitPopulator.java b/src/main/java/edu/unl/cse/csce361/hibernate/FruitPopulator.java
new file mode 100644
index 0000000..dfb003d
--- /dev/null
+++ b/src/main/java/edu/unl/cse/csce361/hibernate/FruitPopulator.java
@@ -0,0 +1,76 @@
+package edu.unl.cse.csce361.hibernate;
+
+import org.hibernate.Session;
+import org.hibernate.SessionFactory;
+import org.hibernate.boot.MetadataSources;
+import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
+import org.hibernate.service.ServiceRegistry;
+
+public class FruitPopulator {
+ private static Session session = null;
+
+ public static Session getSession() {
+ if (session == null) {
+ SessionFactory sessionFactory = null;
+ ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder().configure().build();
+ try {
+ sessionFactory = new MetadataSources(serviceRegistry).buildMetadata().buildSessionFactory();
+ } catch (Exception exception) {
+ // sessionFactory didn't have the opportunity to destroy serviceRegistry like it should've
+ StandardServiceRegistryBuilder.destroy(serviceRegistry);
+ System.err.println("Failed to create session. " + exception);
+ System.exit(1);
+ }
+ session = sessionFactory.openSession();
+ }
+ return session;
+ }
+
+ public static void closeSession(Session session) {
+ session.close();
+ //noinspection UnusedAssignment
+ session = null;
+ }
+
+ private void makeFruitSalad() {
+ Session session = getSession();
+ try {
+ session.beginTransaction();
+ Fruit apple = new Fruit("apple", "red", 80);
+ Fruit banana = new Fruit("banana", "yellow", 27);
+ Fruit orange = new Fruit("orange", "orange");
+ session.save(apple);
+ session.save(banana);
+ session.save(orange);
+ FruitSalad fruitSalad = new FruitSalad();
+ fruitSalad.setRecipeName("Simple Fruit Salad");
+ session.save(fruitSalad);
+ fruitSalad.addFruit(apple);
+ fruitSalad.addFruit(banana);
+ session.getTransaction().commit();
+ System.out.println("Successfully populated tables.");
+ } catch (RuntimeException exception) {
+ session.getTransaction().rollback();
+ System.out.println("Failed to populate tables. " + exception);
+ }
+ }
+
+ private void examineFruitSalad() {
+ Session session = getSession();
+ session.beginTransaction();
+ FruitSalad fruitSalad = session.load(FruitSalad.class, 4); // This is INCREDIBLY fragile
+ session.getTransaction().commit();
+ System.out.print(fruitSalad + " contains ");
+ for(Fruit fruit: fruitSalad.getFruits()) {
+ System.out.print(fruit + " and ");
+ }
+ System.out.println("that is all.");
+ }
+
+ public static void main(String[] args) {
+ FruitPopulator fruitPopulator = new FruitPopulator();
+ fruitPopulator.makeFruitSalad();
+ fruitPopulator.examineFruitSalad();
+ closeSession(session);
+ }
+}
diff --git a/src/main/java/edu/unl/cse/csce361/hibernate/FruitSalad.java b/src/main/java/edu/unl/cse/csce361/hibernate/FruitSalad.java
new file mode 100644
index 0000000..e138835
--- /dev/null
+++ b/src/main/java/edu/unl/cse/csce361/hibernate/FruitSalad.java
@@ -0,0 +1,53 @@
+package edu.unl.cse.csce361.hibernate;
+
+import javax.persistence.*;
+import java.util.HashSet;
+import java.util.Set;
+
+@SuppressWarnings("unused")
+@Entity
+public class FruitSalad {
+ @Id
+ @GeneratedValue
+ private Integer id;
+
+ @Column
+ private String recipeName;
+
+ @OneToMany(mappedBy= "salad")
+ private Set<Fruit> fruits = new HashSet<>();
+
+ public Integer getId() {
+ return id;
+ }
+
+ public void setId(Integer id) {
+ this.id = id;
+ }
+
+ public String getRecipeName() {
+ return recipeName;
+ }
+
+ public void setRecipeName(String recipeName) {
+ this.recipeName = recipeName;
+ }
+
+ public Set<Fruit> getFruits() {
+ return fruits;
+ }
+
+ public void setFruits(Set<Fruit> fruits) {
+ this.fruits = fruits;
+ }
+
+ public void addFruit(Fruit fruit) {
+ fruits.add(fruit);
+ fruit.setSalad(this);
+ }
+
+ @Override
+ public String toString() {
+ return getRecipeName();
+ }
+}
diff --git a/src/main/resources/.gitignore b/src/main/resources/.gitignore
new file mode 100644
index 0000000..004118f
--- /dev/null
+++ b/src/main/resources/.gitignore
@@ -0,0 +1,2 @@
+hibernate.cfg.xml
+
diff --git a/src/main/resources/hibernate.cfg.xml-TEMPLATE b/src/main/resources/hibernate.cfg.xml-TEMPLATE
new file mode 100644
index 0000000..69ab20e
--- /dev/null
+++ b/src/main/resources/hibernate.cfg.xml-TEMPLATE
@@ -0,0 +1,37 @@
+<!DOCTYPE hibernate-configuration PUBLIC
+ "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
+ "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
+
+<hibernate-configuration>
+ <session-factory>
+ <property name="dialect">
+ org.hibernate.dialect.MySQL5Dialect
+ </property>
+ <property name="connection.driver_class">
+ com.mysql.jdbc.Driver
+ </property>
+ <property name="connection.url">
+ jdbc:mysql://cse.unl.edu/USERNAME
+ </property>
+ <property name="connection.username">
+ USERNAME
+ </property>
+ <property name="connection.password">
+ MYSQL_PASSWORD
+ </property>
+
+ <!-- Echo all executed SQL to stdout -->
+ <property name="show_sql">
+ true
+ </property>
+
+ <!-- Drop and re-create the database schema on startup -->
+ <property name="hbm2ddl.auto">
+ create
+ </property>
+
+ <!-- Names the annotated entity class -->
+ <mapping class="edu.unl.cse.csce361.hibernate.Fruit"/>
+
+ </session-factory>
+</hibernate-configuration>
--
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