/*
|
* CDDL HEADER START
|
*
|
* The contents of this file are subject to the terms of the
|
* Common Development and Distribution License, Version 1.0 only
|
* (the "License"). You may not use this file except in compliance
|
* with the License.
|
*
|
* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
|
* or http://forgerock.org/license/CDDLv1.0.html.
|
* See the License for the specific language governing permissions
|
* and limitations under the License.
|
*
|
* When distributing Covered Code, include this CDDL HEADER in each
|
* file and include the License file at legal-notices/CDDLv1_0.txt.
|
* If applicable, add the following below this CDDL HEADER, with the
|
* fields enclosed by brackets "[]" replaced with your own identifying
|
* information:
|
* Portions Copyright [yyyy] [name of copyright owner]
|
*
|
* CDDL HEADER END
|
*
|
*
|
* Copyright 2006-2008 Sun Microsystems, Inc.
|
*/
|
package org.opends.server.backends.jeb;
|
|
import org.opends.server.types.Entry;
|
import org.opends.server.types.Modification;
|
|
import com.sleepycat.je.DatabaseEntry;
|
|
import java.util.*;
|
|
/**
|
* Implementation of an Indexer for the subtree index.
|
*/
|
public class ID2SIndexer extends Indexer
|
{
|
/**
|
* The comparator for keys generated by this class.
|
*/
|
private static final Comparator<byte[]> comparator =
|
new AttributeIndex.KeyComparator();
|
|
/**
|
* Create a new indexer for a subtree index.
|
*/
|
public ID2SIndexer()
|
{
|
}
|
|
/**
|
* Get a string representation of this object. The returned value is
|
* used to name an index created using this object.
|
* @return A string representation of this object.
|
*/
|
public String toString()
|
{
|
return "id2subtree";
|
}
|
|
/**
|
* Get the comparator that must be used to compare index keys
|
* generated by this class.
|
*
|
* @return A byte array comparator.
|
*/
|
public Comparator<byte[]> getComparator()
|
{
|
return comparator;
|
}
|
|
/**
|
* Generate the set of index keys for an entry.
|
*
|
* @param entry The entry.
|
* @param addKeys The set into which the generated keys will be inserted.
|
*/
|
public void indexEntry(Entry entry, Set<byte[]> addKeys)
|
{
|
// The superior entry IDs are in the entry attachment.
|
ArrayList ids = (ArrayList)entry.getAttachment();
|
|
// Skip the entry's own ID.
|
Iterator iter = ids.iterator();
|
iter.next();
|
|
// Iterate through the superior IDs.
|
while (iter.hasNext())
|
{
|
DatabaseEntry nodeIDData = ((EntryID)iter.next()).getDatabaseEntry();
|
addKeys.add(nodeIDData.getData());
|
}
|
}
|
|
/**
|
* Generate the set of index keys to be added and the set of index keys
|
* to be deleted for an entry that has been replaced.
|
*
|
* @param oldEntry The original entry contents.
|
* @param newEntry The new entry contents.
|
* @param modifiedKeys The map into which the modified keys will be inserted.
|
*/
|
public void replaceEntry(Entry oldEntry, Entry newEntry,
|
Map<byte[], Boolean> modifiedKeys)
|
{
|
// Nothing to do.
|
}
|
|
|
|
/**
|
* Generate the set of index keys to be added and the set of index keys
|
* to be deleted for an entry that was modified.
|
*
|
* @param oldEntry The original entry contents.
|
* @param newEntry The new entry contents.
|
* @param mods The set of modifications that were applied to the entry.
|
* @param modifiedKeys The map into which the modified keys will be inserted.
|
*/
|
public void modifyEntry(Entry oldEntry, Entry newEntry,
|
List<Modification> mods,
|
Map<byte[], Boolean> modifiedKeys)
|
{
|
// Nothing to do.
|
}
|
}
|
