Hibernate example source code file (HabitatSpeciesLink.java)

This example Hibernate source code file (HabitatSpeciesLink.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

habitatspecieslink, habitatspecieslink, habitatspecieslinkid, habitatspecieslinkid, io, long, long, override, serializable, serializable, string

The Hibernate HabitatSpeciesLink.java source code

// $Id: $
/*
 * JBoss, Home of Professional Open Source
 * Copyright 2005, JBoss Inc., and individual contributors as indicated
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.hibernate.test.annotations.idclass.xml;
import java.io.Serializable;

/**
 * @author Hardy Ferentschik
 */
public class HabitatSpeciesLink implements Serializable {
	private static final long serialVersionUID = -7079021236893433038L;

	private Long habitatId;

	private Long speciesId;

	public Long getHabitatId() {
		return this.habitatId;
	}

	public void setHabitatId(Long newHabitatId) {
		this.habitatId = newHabitatId;
	}

	public Long getSpeciesId() {
		return this.speciesId;
	}

	public void setSpeciesId(Long newSpeciesId) {
		this.speciesId = newSpeciesId;
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ( ( this.getHabitatId() == null ) ? 0
				: this.getHabitatId().hashCode() );
		result = prime * result + ( ( this.getSpeciesId() == null ) ? 0
				: this.getSpeciesId().hashCode() );
		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if ( this == obj ) {
			return true;
		}
		if ( obj == null ) {
			return false;
		}
		if ( !( obj instanceof HabitatSpeciesLink ) ) {
			return false;
		}
		final HabitatSpeciesLink other = ( HabitatSpeciesLink ) obj;
		if ( this.getHabitatId() == null ) {
			if ( other.getHabitatId() != null ) {
				return false;
			}
		}
		else if ( !this.getHabitatId().equals( other.getHabitatId() ) ) {
			return false;
		}
		if ( this.getSpeciesId() == null ) {
			if ( other.getSpeciesId() != null ) {
				return false;
			}
		}
		else if ( !this.getSpeciesId().equals( other.getSpeciesId() ) ) {
			return false;
		}
		return true;
	}

	public static class HabitatSpeciesLinkId implements Serializable {
		private Long habitatId;

		private Long speciesId;

		public Long getHabitatId() {
			return this.habitatId;
		}

		public void setHabitatId(Long newHabitatId) {
			this.habitatId = newHabitatId;
		}

		public Long getSpeciesId() {
			return this.speciesId;
		}

		public void setSpeciesId(Long newSpeciesId) {
			this.speciesId = newSpeciesId;
		}

		/**
		 * Equality must be implemented in terms of identity field equality, and
		 * must use instanceof rather than comparing classes directly (some JPA
		 * implementations may subclass the identity class).
		 */
		public boolean equals(Object other) {
			if ( other == this ) {
				return true;
			}
			if ( !( other instanceof HabitatSpeciesLinkId ) ) {
				return false;
			}
			HabitatSpeciesLinkId mi = ( HabitatSpeciesLinkId ) other;
			return ( habitatId == mi.habitatId || ( habitatId != null && habitatId
					.equals( mi.habitatId ) ) )
					&& ( speciesId == mi.speciesId || ( speciesId != null && speciesId
					.equals( mi.speciesId ) ) );
		}

		/**
		 * Hashcode must also depend on identity values.
		 */
		public int hashCode() {
			return ( ( habitatId == null ) ? 0
					: habitatId.hashCode() ) ^ ( ( speciesId == null ) ? 0
					: speciesId.hashCode() );
		}

		public String toString() {
			return "habitatId[" + habitatId + "],speciesId[" + speciesId + "]";
		}
	}
}