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/*
* Modification.java
* Copyright (C) 2004 The Free Software Foundation
*
* This file is part of GNU inetlib, a library.
*
* GNU inetlib is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* GNU inetlib 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 Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Linking this library statically or dynamically with other modules is
* making a combined work based on this library. Thus, the terms and
* conditions of the GNU General Public License cover the whole
* combination.
*
* As a special exception, the copyright holders of this library give you
* permission to link this library with independent modules to produce an
* executable, regardless of the license terms of these independent
* modules, and to copy and distribute the resulting executable under
* terms of your choice, provided that you also meet, for each linked
* independent module, the terms and conditions of the license of that
* module. An independent module is a module which is not derived from
* or based on this library. If you modify this library, you may extend
* this exception to your version of the library, but you are not
* obliged to do so. If you do not wish to do so, delete this
* exception statement from your version.
*/
package gnu.inet.ldap;
import java.util.Set;
/**
* An individual modification of an object's attributes.
*
* @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
*/
public final class Modification
extends AttributeValues
{
/**
* Add the specified values to the attribute, creating the attribute if
* necessary.
*/
public static final int ADD = 0;
/**
* Delete the specified values from the given attribute, removing the
* entire attribute if no values are listed, or if all current values of
* the attribute are listed.
*/
public static final int DELETE = 1;
/**
* Replace all existing values of the given attribute with the new values,
* creating the attribute if it did not exist. A replace with no value
* deletes the entire attribute if it exists, and is ignored otherwise.
*/
public static final int REPLACE = 2;
/**
* The operation specified by this modification.
* One of: ADD, DELETE, or REPLACE
*/
protected final int operation;
/**
* Constructor.
* @param operation the operation
* @param type the attribute type
* @param values the values to assign
*/
public Modification(int operation, String type, Set values)
{
super(type, values);
if (operation < ADD || operation > REPLACE)
{
throw new IllegalArgumentException("unknown operation");
}
this.operation = operation;
}
/**
* @see #operation
*/
public int getOperation()
{
return operation;
}
}
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