Thanks for fast reply, but I still having problems get it working.
The following schema is generated
CREATE TABLE t_customer
| (
| customer_id int8 NOT NULL,
| firstname varchar(255),
| lastname varchar(255),
| CONSTRAINT t_customer_pkey PRIMARY KEY (customer_id)
| )
| WITHOUT OIDS;
|
| CREATE TABLE t_friendship
| (
| customer bytea NOT NULL,
| friend bytea NOT NULL,
| created timestamp,
| CONSTRAINT t_friendship_pkey PRIMARY KEY (customer, friend)
| )
| WITHOUT OIDS;
When I deploy the following classes
@Entity
| @Table(name="t_customer")
| public class Customer implements Serializable
| {
| private Long pk = null;
| private String firstname = null;
| private String lastname = null;
|
| public Customer2()
| {
| }
|
| public String getFirstname()
| {
| return firstname;
| }
|
| public void setFirstname(String name)
| {
| this.firstname = name;
| }
|
| public String getLastname()
| {
| return lastname;
| }
|
| public void setLastname(String name2)
| {
| this.lastname = name2;
| }
|
| @Id
| @GeneratedValue(strategy=GenerationType.AUTO)
| @Column(name="customer_id")
| public Long getPk()
| {
| return pk;
| }
|
| public void setPk(Long pk)
| {
| this.pk = pk;
| }
| }
@Embeddable
| public class FriendshipPK implements Serializable
| {
| private Customer customer = null;
| private Customer friend = null;
|
| public FriendshipPK()
| {
| }
|
| public Customer getCustomer()
| {
| return customer;
| }
|
| public void setCustomer(Customer customer)
| {
| this.customer = customer;
| }
|
| public Customer getFriend()
| {
| return friend;
| }
|
| public void setFriend(Customer friend)
| {
| this.friend = friend;
| }
|
| }
@Entity
| @Table(name="t_friendship")
| @IdClass(FriendshipPK.class)
| public class Friendship
| {
| private Customer customer = null;
| private Customer friend = null;
|
| private Date created = null;
|
| public Friendship()
| {
| }
|
| public Date getCreated()
| {
| return created;
| }
|
| public void setCreated(Date created)
| {
| this.created = created;
| }
|
| @EmbeddedId
| public Customer getCustomer()
| {
| return customer;
| }
|
| public void setCustomer(Customer customer)
| {
| this.customer = customer;
| }
|
| @EmbeddedId
| public Customer getFriend()
| {
| return friend;
| }
|
| public void setFriend(Customer friend)
| {
| this.friend = friend;
| }
| }
There is no difference when using "@Id" instead of "@EmbeddedId" in class
"Friendship".
It always generates the columns "customer" & "friend" of type "byte" instead of
"int8".
I am using EJB3 RC4-PFD.
Looking in the docs does not really help, because it always describes PK
consisting of primitive types.
Would be great if anyone could help me.
Regards
Jan
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