corelations

Author: magnus aune

src/main/java/no/hvl/dat250/jpa/tutorial/creditcards/Address.java

@@ -1,21 +1,52 @@
 package no.hvl.dat250.jpa.tutorial.creditcards;
 
+import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Iterator;
+
 import jakarta.persistence.*;
 import lombok.Getter;
+import lombok.Setter;
 
 @Entity
 public class Address {
  @Id
  @GeneratedValue(strategy = GenerationType.IDENTITY)
  private Long id;
- @Getter
+
  private String street;
- @Getter
+
  private Integer number;
 
- @Getter
- @ManyToMany(mappedBy = "addresses")
- private final Collection<Customer> owners = null;
 
+
+ @ManyToMany(targetEntity = Customer.class)
+ private Collection<Customer> owners =new ArrayList<>();
+
+ public String getStreet() {
+ return street;
+ }
+
+ public void setStreet(String street) {
+ this.street = street;
+ }
+
+ public Integer getNumber() {
+ return number;
+ }
+
+ public void setNumber(Integer number) {
+ this.number = number;
+ }
+
+ public Collection<Customer> getOwners() {
+ return owners;
+ }
+
+ public void setOwners(Collection<Customer> owners) {
+ this.owners = owners;
+ }
+ public void addOwner(Customer customer) {
+ owners.add(customer);
+ }
 }

src/main/java/no/hvl/dat250/jpa/tutorial/creditcards/Bank.java

@@ -1,28 +1,39 @@
 package no.hvl.dat250.jpa.tutorial.creditcards;
 
 import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.Setter;
+
+import java.util.ArrayList;
 import java.util.Collection;
 
 @Entity
 public class Bank {
+ @Getter
  @Id
  @GeneratedValue(strategy = GenerationType.IDENTITY)
  private Long id;
+
  private String name;
  @OneToMany(mappedBy = "bank")
- private final Collection<CreditCard> creditCards = null;
-
- public Long getId() {
- return id;
- }
+ private Collection<CreditCard> creditCards = new ArrayList<>();
 
  public String getName() {
- // TODO: implement method!
  return name;
  }
 
+ public void setName(String name) {
+ this.name = name;
+ }
+
  public Collection<CreditCard> getOwnedCards() {
- // TODO: implement method!
  return creditCards;
  }
+
+ public void setCreditCards(Collection<CreditCard> creditCards) {
+ this.creditCards = creditCards;
+ }
+ public void addCreditCard(CreditCard creditCard) {
+ creditCards.add(creditCard);
+ }
 }

src/main/java/no/hvl/dat250/jpa/tutorial/creditcards/CreditCard.java

@@ -2,28 +2,55 @@
 
 import jakarta.persistence.*;
 import lombok.Getter;
+import lombok.Setter;
 
 @Entity
 public class CreditCard {
 
  @Id
  @GeneratedValue(strategy = GenerationType.IDENTITY)
  private Long id;
+
+
  @Getter
  private Integer number;
+
  @Getter
  private Integer balance;
+
  @Getter
  private Integer creditLimit;
 
+
  @ManyToOne
  private Bank bank;
 
+
  @Getter
  @ManyToOne
  private Pincode pincode;
 
  public Bank getOwningBank() {
  return bank;
  }
+
+ public void setNumber(Integer number) {
+ this.number = number;
+ }
+
+ public void setBalance(Integer balance) {
+ this.balance = balance;
+ }
+
+ public void setCreditLimit(Integer creditLimit) {
+ this.creditLimit = creditLimit;
+ }
+
+ public void setBank(Bank bank) {
+ this.bank = bank;
+ }
+
+ public void setPincode(Pincode pincode) {
+ this.pincode = pincode;
+ }
 }

src/main/java/no/hvl/dat250/jpa/tutorial/creditcards/Customer.java

@@ -1,25 +1,60 @@
 package no.hvl.dat250.jpa.tutorial.creditcards;
 
+import java.util.ArrayList;
 import java.util.Collection;
 import jakarta.persistence.*;
 import lombok.Getter;
+import lombok.Setter;
 
 @Entity
 public class Customer {
  @Id
  @GeneratedValue(strategy = GenerationType.IDENTITY)
  private Long id;
- @Getter
+
+
  private String name;
 
- @Getter
- @ManyToMany
- private final Collection<Address> addresses = null;
 
- @OneToMany(mappedBy = "customer")
- private final Collection<CreditCard> creditcards = null;
+ @ManyToMany(targetEntity = Address.class)
+ private Collection<Address> addresses = new ArrayList<>();
+
+ @OneToMany
+ private Collection<CreditCard> CreditCards;
+
+ public String getName() {
+ return name;
+ }
+
+ public void setName(String name) {
+ this.name = name;
+ }
+
+ public Collection<Address> getAddresses() {
+ return addresses;
+ }
+
+ public void setAddresses(Collection<Address> addresses) {
+ this.addresses = addresses;
+ }
+ public void addAddress(Address address) {
+ addresses.add(address);
+ }
 
  public Collection<CreditCard> getCreditCards() {
- return creditcards;
+ return CreditCards;
+ }
+
+ public void setCreditCards(Collection<CreditCard> creditCards) {
+ CreditCards = creditCards;
+ }
+ public void addCreditCard(CreditCard creditCard) {
+ CreditCards.add(creditCard);
  }
 }
+
+
+
+
+
+

src/main/java/no/hvl/dat250/jpa/tutorial/creditcards/Pincode.java

@@ -2,18 +2,29 @@
 
 import jakarta.persistence.*;
 import lombok.Getter;
+import lombok.Setter;
 
 @Entity
 public class Pincode {
  @Getter
  @Id
  @GeneratedValue(strategy = GenerationType.IDENTITY)
  private Long id;
+
  private String pincode;
+
  @Getter
  private Integer count;
 
  public String getCode() {
  return pincode;
  }
+
+ public void setPincode(String pincode) {
+ this.pincode = pincode;
+ }
+
+ public void setCount(Integer count) {
+ this.count = count;
+ }
 }

src/main/java/no/hvl/dat250/jpa/tutorial/creditcards/driver/CreditCardsMain.java

@@ -3,6 +3,7 @@
 import jakarta.persistence.EntityManager;
 import jakarta.persistence.EntityManagerFactory;
 import jakarta.persistence.Persistence;
+import no.hvl.dat250.jpa.tutorial.creditcards.*;
 
 public class CreditCardsMain {
 
@@ -19,6 +20,46 @@ public static void main(String[] args) {
  }
 
  private static void createObjects(EntityManager em) {
- // TODO: Create object world as shown in the README.md.
+ Customer customer = new Customer();
+ customer.setName("Max Mustermann");
+
+ Address address = new Address();
+ address.setStreet("Inndalsveien");
+ address.setNumber(28);
+ address.addOwner(customer);
+ customer.addAddress(address);
+
+ CreditCard creditCard = new CreditCard();
+ creditCard.setNumber(12345);
+ creditCard.setBalance(-5000);
+ creditCard.setCreditLimit(-10000);
+
+
+ CreditCard creditCard2 = new CreditCard();
+ creditCard2.setNumber(123);
+ creditCard2.setBalance(1);
+ creditCard2.setCreditLimit(2000);
+
+
+ Pincode pincode = new Pincode();
+ pincode.setPincode("123");
+ pincode.setCount(1);
+
+ creditCard.setPincode(pincode);
+ creditCard2.setPincode(pincode);
+
+ Bank bank = new Bank();
+ bank.setName("Pengebank");
+ bank.addCreditCard(creditCard);
+ bank.addCreditCard(creditCard2);
+
+ creditCard.setBank(bank);
+ creditCard2.setBank(bank);
+ em.persist(customer);
+ em.persist(address);
+ em.persist(creditCard);
+ em.persist(creditCard2);
+ em.persist(pincode);
+ em.persist(bank);
  }
 }