package reversetutorial.jdo;

import java.io.*;
import java.util.*;

/**
 * Application identity class for: reversetutorial.jdo.Magazine
 *
 * Auto-generated by:
 * kodo.enhance.ApplicationIdTool
 */
public class MagazineId implements Serializable {
	static {
		// register persistent class in JVM
		try { Class.forName("reversetutorial.jdo.Magazine"); } 
        catch(Exception e) {}
	}

	public String isbn;
	public int issue;

	public MagazineId() {
	}

	public MagazineId(String str) {
		fromString(str);
	}

	public String toString() {
		return isbn
			+ "::" + String.valueOf(issue);
	}

	public int hashCode() {
		int rs = 17;
		rs = rs * 37 + ((isbn == null) ? 0 : isbn.hashCode());
		rs = rs * 37 + issue;
		return rs;
	}

	public boolean equals(Object obj) {
		if(this == obj)
			return true;
		if(obj == null || obj.getClass() != getClass())
			return false;

		MagazineId other = (MagazineId) obj;
		return ((isbn == null && other.isbn == null)
			|| (isbn != null && isbn.equals(other.isbn)))
			&& (issue == other.issue);
	}

	private void fromString(String str) {
		Tokenizer toke = new Tokenizer(str);
		str = toke.nextToken();
		if("null".equals(str))
			isbn = null;
		else
			isbn = str;
		str = toke.nextToken();
		issue = Integer.parseInt(str);
	}

	protected static class Tokenizer {
		private final String str;
		private int last;

		public Tokenizer (String str) {
			this.str = str;
		}

		public String nextToken () {
			int next = str.indexOf("::", last);
			String part;
			if(next == -1) {
				part = str.substring(last);
				last = str.length();
			} else {
				part = str.substring(last, next);
				last = next + 2;
			}
			return part;
		}
	}
}