001 /*
002 * Copyright 2015-2016 UnboundID Corp.
003 * All Rights Reserved.
004 */
005 /*
006 * Copyright (C) 2015-2016 UnboundID Corp.
007 *
008 * This program is free software; you can redistribute it and/or modify
009 * it under the terms of the GNU General Public License (GPLv2 only)
010 * or the terms of the GNU Lesser General Public License (LGPLv2.1 only)
011 * as published by the Free Software Foundation.
012 *
013 * This program is distributed in the hope that it will be useful,
014 * but WITHOUT ANY WARRANTY; without even the implied warranty of
015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
016 * GNU General Public License for more details.
017 *
018 * You should have received a copy of the GNU General Public License
019 * along with this program; if not, see <http://www.gnu.org/licenses>.
020 */
021 package com.unboundid.ldif;
022
023
024
025
026
027
028 /**
029 * This interface is used by the LDIFWriter to translate or exclude change
030 * records before they are written.
031 */
032 public interface LDIFWriterChangeRecordTranslator
033 {
034 /**
035 * Applies some special transformation or filtering to the original change
036 * record.
037 *
038 * @param original The original change record that was to be written.
039 *
040 * @return The change record that should be written. This can be the
041 * original parameter change record, a newly-constructed change
042 * record, or {@code null} to signal that the change record should
043 * not be written. Note, however, that if the original record
044 * provided as a parameter is altered, then the change will be
045 * visible to anything that references that change record. If you
046 * are not sure about whether changes to the original change record
047 * are acceptable, it is recommended that you use the
048 * {@code duplicate()} method to create a copy of the original and
049 * make the necessary changes to that duplicate.
050 */
051 LDIFChangeRecord translateChangeRecordToWrite(LDIFChangeRecord original);
052 }