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/**
 * 
 */
package com.xdev.jadoth.identity;

/*-
 * #%L
 * XDEV Application Framework
 * %%
 * Copyright (C) 2003 - 2020 XDEV Software
 * %%
 * This program 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 3 of the
 * License, or (at your option) any later version.
 * 
 * This program 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 General Lesser Public License for more details.
 * 
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * .
 * #L%
 */

/**
 * Objects of this type specify the data-defined identity of an object of type I.
 * The values that define the identified object are called identity values. They should, but don't have to, 
 * have "primitive" data types like primitives, primitive Wrappers and String. 
 * 

* It is strongly recommended that any datatype used as an identity value is immutable. * And of cource that an implementation of this type is immutable as well. *

* A good examples for a concrete "Identity" is a Primary Key in a database table.
* Subtypes of this interface can be used to abstract (prescind) Primary Key values in application code. *

* It is recommended that implementations of this type properly override equals(), hashCode() and toString() in close * relation to the identity values they handle. * * @author Thomas Muenz * */ public interface Identity { }





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