diff options
| author | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
|---|---|---|
| committer | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
| commit | 33613a85afc4b1481367fbe92a17ee59c240250b (patch) | |
| tree | 670b842326116b376b505ec2263878912fca97e2 /Master/Reference Architectures and Patterns/EJB 3.0 Code/Gerald Examples/src/examples/entity/intro/Account.java | |
| download | Studium-master.tar.gz Studium-master.tar.bz2 | |
Diffstat (limited to 'Master/Reference Architectures and Patterns/EJB 3.0 Code/Gerald Examples/src/examples/entity/intro/Account.java')
| -rw-r--r-- | Master/Reference Architectures and Patterns/EJB 3.0 Code/Gerald Examples/src/examples/entity/intro/Account.java | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/Master/Reference Architectures and Patterns/EJB 3.0 Code/Gerald Examples/src/examples/entity/intro/Account.java b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Gerald Examples/src/examples/entity/intro/Account.java new file mode 100644 index 0000000..1efa132 --- /dev/null +++ b/Master/Reference Architectures and Patterns/EJB 3.0 Code/Gerald Examples/src/examples/entity/intro/Account.java @@ -0,0 +1 @@ +package examples.entity.intro;
import java.io.Serializable;
import javax.persistence.AccessType;
import javax.persistence.Entity;
import javax.persistence.EntityListener;
import javax.persistence.Id;
import javax.persistence.NamedQuery;
import javax.persistence.PostLoad;
import javax.persistence.PostUpdate;
import javax.persistence.PrePersist;
import javax.persistence.PreUpdate;
import javax.persistence.Version;
/**
* This demo entity represents a Bank Account.
* <p>
* The entity is not a remote object and can only be accessed locally by
* clients. However, it is made serializable so that instances can be passed by
* value to remote clients for local inspection.
* <p>
* Access to persistent state is by direct field access.
*/
@Entity(access = AccessType.FIELD)
@EntityListener(MyListener.class)
@NamedQuery(name="findThem", query="SELECT a FROM Account a")
public class Account implements Serializable {
/** The account number is the primary key for the persistent object */
@Id
public int accountNumber;
public String ownerName;
public int balance;
@Version
public int version;
/**
* Entity beans must have a public no-arg constructor
*/
public Account() {
// our own primary key generation, workaround for the
// time being as Glassfish persistence does not support
// auto-generation
accountNumber = (int) System.nanoTime();
}
public String toString() {
return "Acc.# " + accountNumber + ", owner" + ownerName + ", balance: " + balance
+ " $";
}
@PrePersist
void prepersist() {
System.out.println("pre persist!!");
}
@PreUpdate
void preupdate() {
System.out.println("pre update!!");
}
@PostUpdate
void postupdate() {
System.out.println("post update!!");
}
@PostLoad
void postload() {
System.out.println("post load!!");
}
}
\ No newline at end of file |
