Hibernate example source code file (Television.java)

This example Hibernate source code file (Television.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Hibernate tags/keywords

entitylisteners, generatedvalue, id, illegalstateexception, integer, integer, onetoone, preupdate, preupdate, remotecontrol, remotecontrol, string, string, videosystem

The Hibernate Television.java source code

//$Id$
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++;
	}
}