Hibernate example source code file (Man.java)

This example Hibernate source code file (Man.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

entity, id, io, man, man, manpk, manpk, manytomany, serializable, set, set, string, string, util

The Hibernate Man.java source code

//$Id$
package org.hibernate.test.annotations.manytomany;
import java.io.Serializable;
import java.util.Set;
import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.ManyToMany;

/**
 * Man knowing sevezral womens
 *
 * @author Emmanuel Bernard
 */
@Entity
public class Man implements Serializable {
	private ManPk id;
	private String carName;
	private Set<Woman> womens;

	@ManyToMany(cascade = {CascadeType.ALL}, mappedBy = "mens")
	public Set<Woman> getWomens() {
		return womens;
	}

	public void setWomens(Set<Woman> womens) {
		this.womens = womens;
	}

	@Id
	public ManPk getId() {
		return id;
	}

	public void setId(ManPk id) {
		this.id = id;
	}

	public String getCarName() {
		return carName;
	}

	public void setCarName(String carName) {
		this.carName = carName;
	}

	public int hashCode() {
		//a NPE can occurs, but I don't expect hashcode to be used before pk is set
		return getId().hashCode();
	}

	public boolean equals(Object obj) {
		//a NPE can occurs, but I don't expect equals to be used before pk is set
		if ( obj != null && obj instanceof Man ) {
			return getId().equals( ( (Man) obj ).getId() );
		}
		else {
			return false;
		}
	}

}