Hibernate example source code file (Node.java)

This example Hibernate source code file (Node.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, joincolumn, joincolumn, joincolumns, manytoone, node, node, nodepk, nodepk, serializable, string, string

The Hibernate Node.java source code

//$Id$
package org.hibernate.test.annotations.manytoone;
import java.io.Serializable;
import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.JoinColumns;
import javax.persistence.ManyToOne;

/**
 * @author Emmanuel Bernard
 */
@Entity
public class Node implements Serializable {

	private NodePk id;
	private String description;
	private Node parent;

	public boolean equals(Object o) {
		if ( this == o ) return true;
		if ( !( o instanceof Node ) ) return false;

		final Node node = (Node) o;

		if ( !id.equals( node.id ) ) return false;

		return true;
	}

	public int hashCode() {
		return id.hashCode();
	}

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

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

	public String getDescription() {
		return description;
	}

	public void setDescription(String description) {
		this.description = description;
	}

	@ManyToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
	@JoinColumns({
	@JoinColumn(name = "parentName"),
	@JoinColumn(name = "parentLevel")
			})
	public Node getParent() {
		return parent;
	}

	public void setParent(Node parent) {
		this.parent = parent;
	}

}