Spring Framework example source code file (Pet.java)

This example Spring Framework source code file (Pet.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 - Spring Framework tags/keywords

can, cannot, comparable, date, date, integer, integer, io, nullpointerexception, pet, pet, serializable, string, string, this, util

The Spring Framework Pet.java source code

package org.springframework.samples.petportal.domain;

import java.io.Serializable;
import java.util.Date;

import org.springframework.util.Assert;

/**
 * A simple domain object representing a Pet.
 *
 * @author John A. Lewis
 * @author Mark Fisher
 */
public class Pet implements Comparable, Serializable {

	private Integer key;

	private String species;

	private String breed;

	private String name;

	private Date birthdate;

	private String description;

	private int hashCode = Integer.MIN_VALUE;


	public Pet() {
		super();
	}

	public Pet(String species, String breed, String name, Date birthdate) {
		super();
		setSpecies(species);
		setBreed(breed);
		setName(name);
		setBirthdate(birthdate);
	}


	/**
	 * Get the Pet's name.
	 *
	 * @return name
	 */
	public String getName() {
		return name;
	}

	/**
	 * Set the Pet's name.
	 */
	public void setName(String name) {
		Assert.notNull(name, "name may not be null");
		this.name = name;
		this.hashCode = Integer.MIN_VALUE;
	}

	/**
	 * Get the Pet's species.
	 *
	 * @return species
	 */
	public String getSpecies() {
		return species;
	}

	/**
	 * Set the Pet's species.
	 */
	public void setSpecies(String species) {
		Assert.notNull(species, "species may not be null");
		this.species = species;
		this.hashCode = Integer.MIN_VALUE;
	}

	/**
	 * Get the Pet's breed.
	 *
	 * @return breed
	 */
	public String getBreed() {
		return this.breed;
	}

	/**
	 * Set the Pet's breed.
	 */
	public void setBreed(String breed) {
		Assert.notNull(breed, "breed may not be null");
		this.breed = breed;
		this.hashCode = Integer.MIN_VALUE;
	}

	/**
	 * Get the Pet's birthdate.
	 *
	 * @return birthdate
	 */
	public Date getBirthdate() {
		return birthdate;
	}

	/**
	 * Set the Pet's birthdate.
	 */
	public void setBirthdate(Date birthdate) {
		this.birthdate = birthdate;
	}

	/**
	 * Get the Pet's description
	 *
	 * @return description
	 */
	public String getDescription() {
		return description;
	}

	/**
	 * Set the Pet's description.
	 */
	public void setDescription(String description) {
		this.description = description;
	}

	/**
	 * Get the Pet's key.
	 *
	 * @return key
	 */
	public Integer getKey() {
		return key;
	}

	/**
	 * Set the Pet's key.
	 */
	public void setKey(Integer key) {
		this.key = key;
	}

	public int compareTo(Object obj) {
		if (obj == null) {
			throw new NullPointerException("Cannot compare to null object");
		}
		if (!(obj instanceof Pet)) {
			throw new ClassCastException("Can only compare to class " + this.getClass().getName());
		}
		if (this.species == null || this.breed == null || this.name == null) {
			throw new NullPointerException("This object is not initialized yet");
		}
		if (this.equals(obj)) {
			return 0;
		}
		Pet pet = (Pet) obj;
		int res = getSpecies().compareTo(pet.getSpecies());
		if (res != 0) {
			return res;
		}
		res = getBreed().compareTo(pet.getBreed());
		if (res != 0) {
			return res;
		}
		return getName().compareTo(pet.getName());
	}

	public boolean equals(Object obj) {
		if (obj == null) {
			return false;
		}
		if (!(obj instanceof Pet)) {
			return false;
		}
		if (this.species == null || this.breed == null || this.name == null) {
			return false;
		}
		Pet pet = (Pet) obj;
		return (this.species.equals(pet.getSpecies()) &&
				this.breed.equals(pet.getBreed()) &&
				this.name.equals(pet.getName()));
	}

	public int hashCode() {
		if (Integer.MIN_VALUE == this.hashCode) {
			String hashStr = this.getClass().getName() + ":" + this.toString();
			this.hashCode = hashStr.hashCode();
		}
		return this.hashCode;
	}

	public String toString() {
		return this.species + ":" + this.breed + ":" + this.name;
	}

}