hi
Lets say I have customer that can have many different stores. How do I create
the relationship between them. I get the OneToOnes but can't seem to master the
ManyToOne relationships.
I have included the latest (non) working attempt.
Can someone please point me in the right direction.
thanks
@Entity
| @Table(name = "CUSTOMER")
| public class CustomerCMP implements java.io.Serializable{
|
| private Long id;
| private String name;
| private String contact;
| private AddressCMP address;
| private List<StoreCMP> StoreList;
|
| public CustomerCMP(){}
|
| public CustomerCMP(String Name, String Contact)
| {
| // Debug.print("Create", this);
| this.name = Name;
| this.contact = Contact;
| }
|
| @Id(generate = GeneratorType.AUTO)
| @Column(name = "customerId", nullable = false)
| public Long getId() {
| return id;
| }
| public void setId(Long id) {
| this.id = id;
| }
|
| @Column(name="NAME")
| public String getName() {
| return name;
| }
| public void setName(String name) {
| this.name = name;
| }
|
| @Column(name="CONTACT")
| public String getContact() {
| return contact;
| }
| public void setContact(String contact) {
| this.contact = contact;
| }
|
| @OneToOne(cascade = {CascadeType.ALL})
| @JoinColumn(name = "addressId")
| public AddressCMP getAddress() {
| return address;
| }
| public void setAddress(AddressCMP address) {
| this.address = address;
| }
|
| @OneToMany(mappedBy="customerCMP", cascade={CascadeType.PERSIST},
fetch=FetchType.EAGER)
| @JoinColumn(name="customerId")
| public List<StoreCMP> getStoreList()
| {
| return StoreList;
| }
| public void setStoreList(List<StoreCMP> StoreList)
| {
| this.StoreList = StoreList;
| }
| public StoreCMP addToStoreList(StoreCMP store)
| {
| getStoreList().add(store);
| store.setCustomer(this);
| return store;
| }
| public StoreCMP removeFromStoreList(StoreCMP store)
| {
| getStoreList().remove(store);
| store.setCustomer(null);
| return store;
| }
| }
| @Entity
| @Table(name = "STORE")
| public class StoreCMP implements Serializable
| {
| private Long id;
| private String name;
| private AddressCMP address;
| private String code;
| private CustomerCMP customer;
|
| public StoreCMP()
| {
| }
| public StoreCMP(Long id, String Name, AddressCMP address, String code )
| {
| setId(id);
| setName(name);
| setAddress(address);
| setCode(code);
| }
|
| @Id(generate = GeneratorType.AUTO)
| @Column(name="StoreId", nullable=false)
| public Long getId() {
| return id;
| }
| public void setId(Long id) {
| this.id = id;
| }
|
| @OneToOne(cascade = {CascadeType.ALL}, fetch=EAGER)
| @JoinColumn(name = "ADDRESSID")
| public AddressCMP getAddress() {
| return address;
| }
| public void setAddress(AddressCMP address) {
| this.address = address;
| }
| @Column(name="CODE")
| public String getCode() {
| return code;
| }
| public void setCode(String code) {
| this.code = code;
| }
| @Column(name="NAME")
| public String getName() {
| return name;
| }
| public void setName(String name) {
| this.name = name;
| }
| @ManyToOne
| @JoinColumn(name="customerId")
| public CustomerCMP getCustomer()
| {
| return customer;
| }
| public void setCustomer(CustomerCMP customer)
| {
| this.customer = customer;
| }
| }
|
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