//$Id$
package org.hibernate.ejb.test.callbacks;
import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.EntityListeners;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.OneToOne;
import javax.persistence.PrePersist;
import javax.persistence.PreUpdate;
/**
* @author Emmanuel Bernard
*/
@Entity
@EntityListeners({IncreaseListener.class})
public class Television extends VideoSystem {
private Integer id;
private RemoteControl control;
private String name;
@Id
@GeneratedValue
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
@OneToOne(cascade = CascadeType.ALL)
public RemoteControl getControl() {
return control;
}
public void setControl(RemoteControl control) {
this.control = control;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
@PreUpdate
public void isLast() {
if ( isLast ) throw new IllegalStateException();
isFirst = false;
isLast = true;
communication++;
}
@PrePersist
public void prepareEntity() {
//override a super method annotated with the same
// event for it not to be called
counter++;
}
}