From 830b16c2a448d18f34f858902eead068e0c41af9 Mon Sep 17 00:00:00 2001
From: "Stefan T. Ruehl" <stefan.ruehl@h-da.de>
Date: Thu, 22 Aug 2019 09:38:59 +0200
Subject: [PATCH] Cleanup
---
build.gradle | 2 +-
.../fbi/db2/stud/EntityManagerController.java | 31 --
.../de/hda/fbi/db2/stud/entity/Answer.java | 59 ----
.../de/hda/fbi/db2/stud/entity/Category.java | 65 ----
.../java/de/hda/fbi/db2/stud/entity/Game.java | 330 ------------------
.../de/hda/fbi/db2/stud/entity/Player.java | 35 --
.../de/hda/fbi/db2/stud/entity/Question.java | 70 ----
.../hda/fbi/db2/stud/impl/Lab01DataImpl.java | 104 ------
.../db2/stud/impl/Lab02EntityManagerImpl.java | 28 --
.../hda/fbi/db2/stud/impl/Lab03GameImpl.java | 80 -----
.../fbi/db2/stud/impl/Lab04MassDataImpl.java | 114 ------
11 files changed, 1 insertion(+), 917 deletions(-)
delete mode 100644 src/main/java/de/hda/fbi/db2/stud/EntityManagerController.java
delete mode 100644 src/main/java/de/hda/fbi/db2/stud/entity/Answer.java
delete mode 100644 src/main/java/de/hda/fbi/db2/stud/entity/Category.java
delete mode 100644 src/main/java/de/hda/fbi/db2/stud/entity/Game.java
delete mode 100644 src/main/java/de/hda/fbi/db2/stud/entity/Player.java
delete mode 100644 src/main/java/de/hda/fbi/db2/stud/entity/Question.java
delete mode 100644 src/main/java/de/hda/fbi/db2/stud/impl/Lab01DataImpl.java
delete mode 100644 src/main/java/de/hda/fbi/db2/stud/impl/Lab02EntityManagerImpl.java
delete mode 100644 src/main/java/de/hda/fbi/db2/stud/impl/Lab03GameImpl.java
delete mode 100644 src/main/java/de/hda/fbi/db2/stud/impl/Lab04MassDataImpl.java
diff --git a/build.gradle b/build.gradle
index b2653b8..a5fd06b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -21,7 +21,7 @@ plugins {
}
// Define the main class for the application
-mainClassName = 'de.hda.fbi.db2.stud.Main'
+mainClassName = 'de.hda.fbi.db2.Main'
tasks.withType(SpotBugsTask) {
reports {
diff --git a/src/main/java/de/hda/fbi/db2/stud/EntityManagerController.java b/src/main/java/de/hda/fbi/db2/stud/EntityManagerController.java
deleted file mode 100644
index 163dac7..0000000
--- a/src/main/java/de/hda/fbi/db2/stud/EntityManagerController.java
+++ /dev/null
@@ -1,31 +0,0 @@
-package de.hda.fbi.db2.stud;
-
-import javax.persistence.EntityManager;
-import javax.persistence.EntityManagerFactory;
-import javax.persistence.Persistence;
-
-/**
- * EntityManagerController Created by l.koehler on 05.08.2019.
- */
-public class EntityManagerController {
-
- private static EntityManagerController entityManagerController;
-
- private EntityManagerController() {
- EntityManagerFactory emf = Persistence.createEntityManagerFactory("postgresPU");
- this.entityManager = emf.createEntityManager();
- }
-
- public static EntityManagerController getInstance() {
- if (entityManagerController == null) {
- entityManagerController = new EntityManagerController();
- }
- return entityManagerController;
- }
-
- public EntityManager getEntityManager() {
- return entityManager;
- }
-
- private EntityManager entityManager;
-}
diff --git a/src/main/java/de/hda/fbi/db2/stud/entity/Answer.java b/src/main/java/de/hda/fbi/db2/stud/entity/Answer.java
deleted file mode 100644
index 08233bd..0000000
--- a/src/main/java/de/hda/fbi/db2/stud/entity/Answer.java
+++ /dev/null
@@ -1,59 +0,0 @@
-package de.hda.fbi.db2.stud.entity;
-
-import javax.persistence.Entity;
-import javax.persistence.GeneratedValue;
-import javax.persistence.Id;
-import javax.persistence.ManyToOne;
-
-/**
- * Answer
- * Created by l.koehler on 05.08.2019.
- */
-@Entity
-public class Answer {
-
- @Id
- @GeneratedValue
- private long id;
-
- @ManyToOne
- private Question question;
-
- private String name;
-
- private boolean correct;
-
- public Answer(String name, boolean correct, Question question) {
- this.name = name;
- this.correct = correct;
- this.question = question;
- }
-
- public Answer() {}
-
- public String getName() {
- return name;
- }
-
- public void setQuestion(Question question) {
- this.question = question;
- }
-
- public boolean isCorrect() {
- return correct;
- }
-
- public long getId() {
- return id;
- }
-
- @Override
- public boolean equals(Object obj) {
- return super.equals(obj);
- }
-
- @Override
- public int hashCode() {
- return super.hashCode();
- }
-}
diff --git a/src/main/java/de/hda/fbi/db2/stud/entity/Category.java b/src/main/java/de/hda/fbi/db2/stud/entity/Category.java
deleted file mode 100644
index a500405..0000000
--- a/src/main/java/de/hda/fbi/db2/stud/entity/Category.java
+++ /dev/null
@@ -1,65 +0,0 @@
-package de.hda.fbi.db2.stud.entity;
-
-import java.util.ArrayList;
-import java.util.List;
-import javax.persistence.CascadeType;
-import javax.persistence.Column;
-import javax.persistence.Entity;
-import javax.persistence.GeneratedValue;
-import javax.persistence.Id;
-import javax.persistence.OneToMany;
-
-/**
- * Category Created by l.koehler on 05.08.2019.
- */
-@Entity
-public class Category {
-
- public Category() {
- }
-
- @Id
- @GeneratedValue
- private Long id;
-
- @Column(unique = true)
- private String name;
-
- @OneToMany(mappedBy = "category", cascade = {CascadeType.PERSIST})
- private List<Question> questions;
-
- public Category(String name) {
- this.questions = new ArrayList<>();
- this.name = name;
- }
-
- public void addQuestion(Question question) {
- this.questions.add(question);
- }
-
- public int getQuestionSize() {
- return questions.size();
- }
-
- public List<Question> getQuestions() {
- return questions;
- }
-
- public String getName() {
- return name;
- }
-
- public Long getId() {
- return id;
- }
-
- @Override
- public boolean equals(Object obj) {
- return super.equals(obj);
- }
-
- @Override
- public int hashCode() {
- return super.hashCode();
- }
-}
diff --git a/src/main/java/de/hda/fbi/db2/stud/entity/Game.java b/src/main/java/de/hda/fbi/db2/stud/entity/Game.java
deleted file mode 100644
index 02fd733..0000000
--- a/src/main/java/de/hda/fbi/db2/stud/entity/Game.java
+++ /dev/null
@@ -1,330 +0,0 @@
-package de.hda.fbi.db2.stud.entity;
-
-import java.io.BufferedReader;
-import java.io.InputStreamReader;
-import java.nio.charset.StandardCharsets;
-import java.sql.Timestamp;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Random;
-import javax.persistence.Entity;
-import javax.persistence.EntityManager;
-import javax.persistence.GeneratedValue;
-import javax.persistence.Id;
-import javax.persistence.ManyToMany;
-import javax.persistence.OneToOne;
-import javax.persistence.Transient;
-import de.hda.fbi.db2.stud.EntityManagerController;
-
-/**
- * Game Created by l.koehler on 05.08.2019.
- */
-@Entity
-public class Game {
-
- @Id
- @GeneratedValue
- private Long id;
-
- @OneToOne
- private Player player;
-
- public Player getPlayer() {
- return player;
- }
-
- @Transient
- private List<Question> questions;
-
- private int countOfQuestions;
-
- @ManyToMany
- private List<Answer> givenAnswers;
-
- public List<Answer> getGivenAnswers() {
- return givenAnswers;
- }
-
- private Timestamp timestamp;
-
- public Game(Player player, List<Question> questions, int countOfQuestions, Timestamp timestamp) {
- givenAnswers = new ArrayList<>();
- this.questions = questions;
- this.countOfQuestions = countOfQuestions;
- this.player = player;
- this.timestamp = new Timestamp(timestamp.getTime());
- }
-
- public Game() {
- givenAnswers = new ArrayList<>();
- timestamp = new Timestamp(System.currentTimeMillis());
- }
-
- public Game(String playerName, List<Object> questions) {
- givenAnswers = new ArrayList<>();
- timestamp = new Timestamp(System.currentTimeMillis());
-
- try {
- EntityManager em = EntityManagerController.getInstance().getEntityManager();
- em.getTransaction().begin();
- List users = em
- .createQuery("select player from Player player where player.name = '" + playerName + "'")
- .getResultList();
- em.getTransaction().commit();
- if (users.isEmpty()) {
- player = new Player(playerName);
- em.getTransaction().begin();
- em.persist(player);
- em.getTransaction().commit();
- } else {
- player = (Player) users.get(0);
- }
- } catch (Exception e) {
- e.printStackTrace();
- }
- countOfQuestions = 3;
- this.questions = (List<Question>) (List<?>) questions;
- }
-
- public void readData() {
- player = choosePlayer();
- List<Category> cat = chooseCategories();
- countOfQuestions = chooseCountOfQuestions();
- questions = filterQuestions(cat);
- }
-
- private List<Question> filterQuestions(List<Category> categories) {
- Random rand = new Random();
- List<Question> questions = new ArrayList<>();
- for (Category cat : categories) {
- while (cat.getQuestionSize() > countOfQuestions) {
- int n = rand.nextInt(cat.getQuestionSize());
- cat.getQuestions().remove(n);
- }
-
- questions.addAll(cat.getQuestions());
- }
-
- return questions;
- }
-
- private int chooseCountOfQuestions() {
- do {
- try {
- System.out.println("Wählen sie aus wie viele Fragen pro Kategorie sie wollen");
-
- BufferedReader reader =
- new BufferedReader(new InputStreamReader(System.in, StandardCharsets.UTF_8));
- String input = reader.readLine();
- if (input == null) {
- continue;
- }
- int number = Integer.parseInt(input);
- if (number <= 0) {
- System.out.println("Geben sie ein ganzzahlige positive Zahl ein! Dummkopf!");
- } else {
- return number;
- }
-
- } catch (Exception e) {
- System.out.println("Geben sie bitte eine ganzzahlige Zahl ein! Dummkopf");
- }
- } while (true);
- }
-
- private List<Category> chooseCategories() {
- try {
- EntityManager em = EntityManagerController.getInstance().getEntityManager();
- em.getTransaction().begin();
- List categories = em.createQuery("select category from Category category").getResultList();
- List<Category> choosedCategories = new ArrayList<>();
- em.getTransaction().commit();
-
- for (Object objectCat : categories) {
- Category currentCat = (Category) objectCat;
- System.out.println(currentCat.getId() + ": " + currentCat.getName());
- }
-
- System.out.println("Wählen Sie Kategorien indem sie die ID eingeben und enter drücken. " +
- "Mit -1 beenden sie die Eingabe. Wählen sie mindestens 2 Kategorien aus");
-
- do {
- BufferedReader reader =
- new BufferedReader(new InputStreamReader(System.in, StandardCharsets.UTF_8));
- String input = reader.readLine();
-
- if (input == null) {
- continue;
- }
- if (input.equals("-1")) {
- if (choosedCategories.size() < 2) {
- System.out.println("Zu wenig categorien");
- } else {
- System.out.println("Choosed:");
- for (Category cat : choosedCategories) {
- System.out.println(cat.getId() + ": " + cat.getName());
- }
- return choosedCategories;
- }
- } else {
- boolean found = false;
- for (Object objectCat : categories) {
- Category currentCat = (Category) objectCat;
-
- if (currentCat.getId().toString().equals(input)) {
- choosedCategories.add(currentCat);
- found = true;
- }
- }
- if (!found) {
- System.out.println("Keine passende Kategorie gefunden");
- }
- }
-
- } while (true);
-
- } catch (Exception e) {
- e.printStackTrace();
- }
-
- return null;
- }
-
- private Player choosePlayer() {
- try {
- EntityManager em = EntityManagerController.getInstance().getEntityManager();
- em.getTransaction().begin();
- List users = em.createQuery("select player from Player player").getResultList();
- em.getTransaction().commit();
- Player player;
- if (users.isEmpty()) {
- System.out.println("Es existieren noch keine Player. Ein neuer Player wird angelegt.");
- player = createPlayer();
- } else {
- do {
- System.out.println("Wählen sie einen Spieler anhand der ID aus:");
- for (Object currentObject : users) {
- Player currentPlayer = (Player) currentObject;
- System.out.println(currentPlayer.getId() + ": " + currentPlayer.getName());
- }
-
- BufferedReader reader =
- new BufferedReader(new InputStreamReader(System.in, StandardCharsets.UTF_8));
- String input = reader.readLine();
-
- for (Object currentObject : users) {
- Player currentPlayer = (Player) currentObject;
- if (currentPlayer.getId().toString().equals(input)) {
- return currentPlayer;
- }
- }
-
- System.out.println("Keine gültige ID");
-
- } while (true);
- }
- return player;
-
- } catch (Exception e) {
- e.printStackTrace();
- }
-
- return null;
- }
-
- private Player createPlayer() {
- try {
- System.out.println("Geben Sie Ihren Namen ein:");
- BufferedReader reader =
- new BufferedReader(new InputStreamReader(System.in, StandardCharsets.UTF_8));
- String name = reader.readLine();
-
- Player player = new Player(name);
- EntityManager em = EntityManagerController.getInstance().getEntityManager();
- em.getTransaction().begin();
- em.persist(player);
- em.getTransaction().commit();
-
- return player;
- } catch (Exception e) {
- e.printStackTrace();
- }
- return null;
- }
-
- public void playGame() {
- System.out.println("Das Spiel beginnt. Geben Sie als Antwort den Index an.");
- int questionCounter = 1;
- for (Question question : questions) {
- System.out.println("Frage " + questionCounter++ + ":");
- System.out.println("Kategorie: " + question.getCategory().getName());
- System.out.println(question.getName());
- for (int i = 0; i < question.getAnswerCount(); i++) {
- Answer ans = question.getAnswers().get(i);
- System.out.println("\t" + (i + 1) + ": " + ans.getName());
- }
-
- int givenAns = -1;
- do {
- try {
- BufferedReader reader =
- new BufferedReader(new InputStreamReader(System.in, StandardCharsets.UTF_8));
- String input = reader.readLine();
- if (input == null) {
- continue;
- }
- int ansI = Integer.parseInt(input);
- if (ansI <= 0 || ansI > question.getAnswerCount()) {
- System.out.println("Ungültige Eingabe!");
- } else {
- givenAns = ansI;
- break;
- }
- } catch (Exception e) {
- System.out.println("Falsche eingabe!");
- }
- } while (true);
-
- int size = question.getAnswers().size();
- int remove = 0;
- for (int i = 0; i < size; i++) {
- if (i != (givenAns - 1)) {
- question.getAnswers().remove(remove);
- } else {
- remove++;
- }
- }
-
- givenAnswers.add(question.getAnswers().get(0));
- if (question.getAnswers().get(0).isCorrect()) {
- System.out.println("Die Antwort ist richig :)");
- } else {
- System.out.println("Die Antwort ist leider falsch :(");
- }
- System.out.println("\n");
- }
-
- System.out.println("Das Spiel ist zu Ende");
- }
-
- public void printStats() {
- System.out.println("ID: " + id);
- System.out.println("Datum: " + timestamp.toString());
- int correct = 0;
- for (Answer ans : givenAnswers) {
- if (ans.isCorrect()) {
- correct++;
- }
- }
- System.out.println("Percentage: " + correct + "/" + givenAnswers.size() +
- " (" + correct / givenAnswers.size() * 100 + ")");
- }
-
- public void simulatePlay() {
- Random randAns = new Random();
- for (Question question : questions) {
- int ans = randAns.nextInt(4);
- givenAnswers.add(question.getAnswers().get(ans));
- }
- }
-}
diff --git a/src/main/java/de/hda/fbi/db2/stud/entity/Player.java b/src/main/java/de/hda/fbi/db2/stud/entity/Player.java
deleted file mode 100644
index 41f2375..0000000
--- a/src/main/java/de/hda/fbi/db2/stud/entity/Player.java
+++ /dev/null
@@ -1,35 +0,0 @@
-package de.hda.fbi.db2.stud.entity;
-
-import javax.persistence.Column;
-import javax.persistence.Entity;
-import javax.persistence.GeneratedValue;
-import javax.persistence.Id;
-
-/**
- * Player Created by l.koehler on 05.08.2019.
- */
-@Entity
-public class Player {
-
- public Player() {
- }
-
- public Player(String name) {
- this.name = name;
- }
-
- @Id
- @GeneratedValue
- private Long id;
-
- @Column(unique = true, nullable = false)
- private String name;
-
- public Long getId() {
- return id;
- }
-
- public String getName() {
- return name;
- }
-}
diff --git a/src/main/java/de/hda/fbi/db2/stud/entity/Question.java b/src/main/java/de/hda/fbi/db2/stud/entity/Question.java
deleted file mode 100644
index ec1b578..0000000
--- a/src/main/java/de/hda/fbi/db2/stud/entity/Question.java
+++ /dev/null
@@ -1,70 +0,0 @@
-package de.hda.fbi.db2.stud.entity;
-
-import java.util.ArrayList;
-import java.util.List;
-import javax.persistence.CascadeType;
-import javax.persistence.Entity;
-import javax.persistence.Id;
-import javax.persistence.ManyToOne;
-import javax.persistence.OneToMany;
-
-/**
- * Question Created by l.koehler on 05.08.2019.
- */
-@Entity
-public class Question {
-
- public Question() {
- }
-
- @Id
- private long id;
-
- @ManyToOne
- private Category category;
-
- private String name;
-
- @OneToMany(mappedBy = "question", cascade = {CascadeType.PERSIST})
- private List<Answer> answers;
-
- public Question(String name, long id) {
- this.answers = new ArrayList<>();
- this.name = name;
- this.id = id;
- }
-
- public void addAnswer(Answer answer) {
- this.answers.add(answer);
- }
-
- public int getAnswerCount() {
- return answers.size();
- }
-
- public List<Answer> getAnswers() {
- return answers;
- }
-
- public String getName() {
- return name;
- }
-
- public void setCategory(Category category) {
- this.category = category;
- }
-
- public Category getCategory() {
- return category;
- }
-
- @Override
- public boolean equals(Object obj) {
- return super.equals(obj);
- }
-
- @Override
- public int hashCode() {
- return super.hashCode();
- }
-}
diff --git a/src/main/java/de/hda/fbi/db2/stud/impl/Lab01DataImpl.java b/src/main/java/de/hda/fbi/db2/stud/impl/Lab01DataImpl.java
deleted file mode 100644
index 263c019..0000000
--- a/src/main/java/de/hda/fbi/db2/stud/impl/Lab01DataImpl.java
+++ /dev/null
@@ -1,104 +0,0 @@
-package de.hda.fbi.db2.stud.impl;
-
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import de.hda.fbi.db2.api.Lab01Data;
-import de.hda.fbi.db2.stud.entity.Answer;
-import de.hda.fbi.db2.stud.entity.Category;
-import de.hda.fbi.db2.stud.entity.Question;
-
-/**
- * Lab01DataImpl Created by l.koehler on 05.08.2019.
- */
-public class Lab01DataImpl extends Lab01Data {
-
- private HashMap<String, Category> categoryMap;
-
- private List<Object> questions;
-
- private List<Object> cateogories;
-
- @Override
- public List<Object> getQuestions() {
- if (questions == null) {
- questions = new ArrayList<>();
- for (Map.Entry<String, Category> entry : categoryMap.entrySet()) {
- questions.addAll(entry.getValue().getQuestions());
- }
- }
- return questions;
- }
-
- @Override
- public List<Object> getCategories() {
- if (cateogories == null) {
- cateogories = new ArrayList<>();
- for (Map.Entry<String, Category> entry : categoryMap.entrySet()) {
- cateogories.add(entry.getValue());
- }
- }
- return cateogories;
- }
-
- @Override
- public void loadCsvFile(List<String[]> additionalCsvLines) {
- categoryMap = new HashMap<>();
-
- for (int i = 1; i < additionalCsvLines.size(); i++) {
- String[] currentLine = additionalCsvLines.get(i);
- long id = Long.parseLong(currentLine[0]);
- String questionString = currentLine[1];
- String ans1 = currentLine[2];
- String ans2 = currentLine[3];
- String ans3 = currentLine[4];
- String ans4 = currentLine[5];
- int solution = Integer.parseInt(currentLine[6]);
- String cat = currentLine[7];
-
- Question question = new Question(questionString, id);
- question.addAnswer(new Answer(ans1, solution == 1, question));
- question.addAnswer(new Answer(ans2, solution == 2, question));
- question.addAnswer(new Answer(ans3, solution == 3, question));
- question.addAnswer(new Answer(ans4, solution == 4, question));
-
- if (categoryMap.containsKey(cat)) {
- Category category = categoryMap.get(cat);
- category.addQuestion(question);
- } else {
- Category category = new Category(cat);
- category.addQuestion(question);
- categoryMap.put(cat, category);
- }
-
- question.setCategory(categoryMap.get(cat));
- }
-
- printStats(categoryMap);
- }
-
- private void printStats(Map<String, Category> categoryMap) {
- int catCount = categoryMap.size();
- int questionCount = 0;
- int ansCount = 0;
-
- for (Category cat : categoryMap.values()) {
- System.out.println(cat.getName());
-
- questionCount += cat.getQuestionSize();
- for (Question ques : cat.getQuestions()) {
- System.out.println("\t" + ques.getName());
- ansCount += ques.getAnswerCount();
-
- for (Answer ans : ques.getAnswers()) {
- System.out.println("\t\t" + ans.getName());
- }
- }
- }
- System.out.println("\n\n\n");
- System.out.println("Categories: " + catCount);
- System.out.println("Questions: " + questionCount);
- System.out.println("Answers: " + ansCount);
- }
-}
diff --git a/src/main/java/de/hda/fbi/db2/stud/impl/Lab02EntityManagerImpl.java b/src/main/java/de/hda/fbi/db2/stud/impl/Lab02EntityManagerImpl.java
deleted file mode 100644
index 74c9c18..0000000
--- a/src/main/java/de/hda/fbi/db2/stud/impl/Lab02EntityManagerImpl.java
+++ /dev/null
@@ -1,28 +0,0 @@
-package de.hda.fbi.db2.stud.impl;
-
-import javax.persistence.EntityManager;
-import de.hda.fbi.db2.api.Lab02EntityManager;
-import de.hda.fbi.db2.stud.EntityManagerController;
-
-/**
- * Lab02EntityManagerImpl Created by l.koehler on 05.08.2019.
- */
-public class Lab02EntityManagerImpl extends Lab02EntityManager {
-
- @Override
- public EntityManager getEntityManager() {
- return EntityManagerController.getInstance().getEntityManager();
- }
-
- @Override
- public void persistData() {
- EntityManager em = getEntityManager();
- em.getTransaction().begin();
-
- for (Object category : lab01Data.getCategories()) {
- em.persist(category);
- }
-
- em.getTransaction().commit();
- }
-}
diff --git a/src/main/java/de/hda/fbi/db2/stud/impl/Lab03GameImpl.java b/src/main/java/de/hda/fbi/db2/stud/impl/Lab03GameImpl.java
deleted file mode 100644
index 3cfe33c..0000000
--- a/src/main/java/de/hda/fbi/db2/stud/impl/Lab03GameImpl.java
+++ /dev/null
@@ -1,80 +0,0 @@
-package de.hda.fbi.db2.stud.impl;
-
-import java.util.List;
-import javax.persistence.EntityManager;
-import de.hda.fbi.db2.api.Lab03Game;
-import de.hda.fbi.db2.stud.EntityManagerController;
-import de.hda.fbi.db2.stud.entity.Answer;
-import de.hda.fbi.db2.stud.entity.Game;
-
-/**
- * Lab03GameImpl Created by l.koehler on 05.08.2019.
- */
-public class Lab03GameImpl extends Lab03Game {
-
- @Override
- public Object createGame() {
- Game game = new Game();
- game.readData();
- return game;
- }
-
- @Override
- public void playGame(Object game) {
- ((Game) game).playGame();
- }
-
- @Override
- public Object createGame(String playerName, List<Object> questions) {
- return new Game(playerName, questions);
- }
-
- @Override
- public void simulateGame(Object game) {
- ((Game) game).simulatePlay();
- }
-
- @Override
- public Object getPlayer(Object game) {
- return ((Game) game).getPlayer();
- }
-
- @Override
- public Object getPlayer(String name) {
- try {
- EntityManager em = EntityManagerController.getInstance().getEntityManager();
- em.getTransaction().begin();
- List users = em
- .createQuery("select player from Player player where player.name = '" + name + "'")
- .getResultList();
- em.getTransaction().commit();
- if (users.isEmpty()) {
- return null;
- } else {
- return users.get(0);
- }
- } catch (Exception e) {
- e.printStackTrace();
- }
- return null;
- }
-
- @Override
- public int getRightAnswers(Object game) {
- int counter = 0;
- for (Answer ans : ((Game) game).getGivenAnswers()) {
- if (ans.isCorrect()) {
- counter = counter + 1;
- }
- }
- return counter;
- }
-
- @Override
- public void persistGame(Object game) {
- EntityManager em = EntityManagerController.getInstance().getEntityManager();
- em.getTransaction().begin();
- em.persist(game);
- em.getTransaction().commit();
- }
-}
diff --git a/src/main/java/de/hda/fbi/db2/stud/impl/Lab04MassDataImpl.java b/src/main/java/de/hda/fbi/db2/stud/impl/Lab04MassDataImpl.java
deleted file mode 100644
index c4d0100..0000000
--- a/src/main/java/de/hda/fbi/db2/stud/impl/Lab04MassDataImpl.java
+++ /dev/null
@@ -1,114 +0,0 @@
-package de.hda.fbi.db2.stud.impl;
-
-import java.sql.Timestamp;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Random;
-import javax.persistence.EntityManager;
-import de.hda.fbi.db2.api.Lab04MassData;
-import de.hda.fbi.db2.stud.EntityManagerController;
-import de.hda.fbi.db2.stud.entity.Category;
-import de.hda.fbi.db2.stud.entity.Game;
-import de.hda.fbi.db2.stud.entity.Player;
-import de.hda.fbi.db2.stud.entity.Question;
-
-/**
- * Lab04MassDataImpl Created by l.koehler on 05.08.2019.
- */
-public class Lab04MassDataImpl extends Lab04MassData {
-
- private int persistCounter = 0;
-
- private Map<String, Category> categoryMap;
-
- @Override
- public void createMassData() {
- categoryMap = new HashMap<>();
- for (Object current : lab01Data.getCategories()) {
- Category cat = (Category) current;
- categoryMap.put(cat.getName(), cat);
- }
-
- Timestamp start = new Timestamp(System.currentTimeMillis());
- Timestamp end = new Timestamp((long) (System.currentTimeMillis() - 1.21e9));
- createRandomData(10, 100,
- end, start,
- 3, 10,
- 3, 5);
- }
-
- public void createRandomData(int gamers, int games,
- Timestamp startDate, Timestamp stopDate,
- int minQuestions, int maxQuestions,
- int minCat, int maxCat) {
- EntityManager em = EntityManagerController.getInstance().getEntityManager();
- em.getTransaction().begin();
-
- Random randDate = new Random();
- Random randQuestion = new Random();
- Random randCat = new Random();
- int randomPlayer = 0;
- for (int gamerI = 0; gamerI < gamers; gamerI++) {
- Player player = new Player("Player" + randomPlayer++);
- em.persist(player);
- for (int gameI = 0; gameI < games; gameI++) {
- //System.out.println("Gamer: " + gamerI + "Game: " + gameI);
- long randomDate = randDate.nextInt((int) (stopDate.getTime() - startDate.getTime()) + 1)
- + startDate.getTime();
- Timestamp timestamp = new Timestamp(randomDate);
- int questionNumber = randQuestion.nextInt(maxQuestions - minQuestions + 1)
- + minQuestions;
- int catNumber = randCat.nextInt(maxCat - minCat + 1) + minCat;
-
- List<Question> questions = getRandomQuestions(catNumber, questionNumber);
-
- createGame(player, timestamp, questions, maxQuestions);
- }
- }
-
- em.getTransaction().commit();
- }
-
- private List<Question> getRandomQuestions(int catNumber, int questionNumber) {
- List<Question> returnQuestions = new ArrayList<>();
- List<Category> categories = new ArrayList<>(categoryMap.values());
- Collections.shuffle(categories);
-
- Category cat;
- int questionPerCat = questionNumber / catNumber;
- if (questionPerCat <= 0) {
- questionPerCat = 1;
- }
- int catCount = 0;
- do {
- cat = categories.get(catCount++);
- List<Question> questions = cat.getQuestions();
- Collections.shuffle(questions);
- for (int i = 0; i < questions.size(); i++) {
- if (i == questionPerCat || returnQuestions.size() >= questionNumber) {
- break;
- } else {
- returnQuestions.add(questions.get(i));
- }
- }
- } while (returnQuestions.size() < questionNumber);
-
- return returnQuestions;
- }
-
- private void createGame(Player player, Timestamp timestamp, List<Question> questions,
- int maxQuestions) {
- Game game = new Game(player, questions, maxQuestions, timestamp);
- game.simulatePlay();
- EntityManager em = EntityManagerController.getInstance().getEntityManager();
- em.persist(game);
- if (persistCounter++ == 5000) {
- em.flush();
- em.clear();
- persistCounter = 0;
- }
- }
-}
--
GitLab