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SmartWeb is a web application development meta framework based on Jakarta Struts, Hibernate and other open source frameworks and libraries.

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/*
 * The SmartWeb Framework
 * Copyright (C) 2004-2006
 *
 * This library 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 library 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 library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * For further informations on the SmartWeb Framework please visit
 *
 *                        http://smartweb.sourceforge.net
 */
package net.smartlab.web;

import java.io.Serializable;

/**
 * An UndefinedKeyException is thrown whenever an application tries to retrieve
 * from a persistent storage an entity using the unique identifier, also
 * known as primary key or simply key, and the requested
 * identifing value is not present in the storage system.
 * 
 * @author rlogiacco
 */
public class UndefinedKeyException extends DAOException {

	private final static long serialVersionUID = 4418831216086543320L;

	/**
	 * The key not found on the database.
	 * 
	 * @uml.property name="key"
	 */
	private Serializable key;

	/**
	 * The class referred by the search.
	 * 
	 * @uml.property name="type"
	 */
	private Class type;


	/**
	 * Constructs a new instance with the key and type not found in the
	 * repository and originating exception.
	 * 
	 * @param key the key not found in the repository.
	 * @param type the class of the key not found in the repository.
	 * @param cause the originating exception.
	 */
	public UndefinedKeyException(Serializable key, Class type, Throwable cause) {
		super("persistence.error.select", cause);
		this.key = key;
		this.type = type;
	}

	/**
	 * Constructs a new instance with the key and type not found in the
	 * repository.
	 * 
	 * @param key the key not found in the repository.
	 * @param type the class of the key not found in the repository.
	 */
	public UndefinedKeyException(Serializable key, Class type) {
		super("persistence.error.select");
		this.key = key;
		this.type = type;
	}

	/**
	 * Returns the key.
	 * 
	 * @return the key.
	 * @uml.property name="key"
	 */
	public Serializable getKey() {
		return key;
	}

	/**
	 * Returns the type.
	 * 
	 * @return the type.
	 * @uml.property name="type"
	 */
	public Class getType() {
		return type;
	}
}