?? primarykey.java
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/*
* May 27, 2004 - 4:01:07 PM
*
* $RCSfile: PrimaryKey.java,v $ - JDBF Object Relational mapping system
* Copyright (C) 2002 JDBF Development Team
*
* http://jdbf.sourceforge.net
*
* 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 2
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
$Id: PrimaryKey.java,v 1.1 2004/05/31 22:25:13 gmartone Exp $
*/
package org.jdbf.engine.basic;
import java.util.HashMap;
/**
* <code>PrimaryKey</code> is that class that manages PrimaryKey.<br>
* To add a primaryKey you should invoke setValueKey specifing the
* property name and its value.<br>
* getValueKey is not important method becuase it is needed for jdbf only,
* however you can invoke it.
*
*
* @author Giovanni Martone<br>
* @version $Revision: 1.1 $<br>
* last changed by $Author: gmartone $
*/
public class PrimaryKey {
/**
* Primary key
*/
private HashMap keys;
/**
* Class name
*/
private String className;
/**
* Creates object
*/
public PrimaryKey() {
className = this.getClass().getName();
keys = new HashMap();
}
/**
* Return value of primary key specified in key param.
*
* Key shoud be the property name of ItemDescriptor
* @param key
* @return Object
* @see org.jdbf.engine.mapping.ItemDescriptor#getPropertyName()
*/
public Object getValueKey(String key){
return keys.get(key);
}
/**
* Set a primary key specifing its name and its value.
*
* Key name is property name of ItemDescriptor
* @param key
* @param value
* @see org.jdbf.engine.mapping.ItemDescriptor#getPropertyName()
*/
public void setValueKey(String key,Object value){
keys.put(key,value);
}
}
/*
*
* $Log: PrimaryKey.java,v $
* Revision 1.1 2004/05/31 22:25:13 gmartone
* Initial revision addedd for task 99533 (Composite Primary Key)
*
*
*/
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