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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
*
* As a special exception, if you link this library with other files to
* produce an executable, this library does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* This exception does not however invalidate any other reasons why the
* executable file might be covered by the GNU General Public License.
*/
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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