/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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* Copyright 2011-2014 ForgeRock AS
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*/
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package org.opends.server.backends.jeb;
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import java.util.List;
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import java.util.Set;
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import org.forgerock.opendj.ldap.ConditionResult;
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import org.opends.server.backends.jeb.importLDIF.ImportIDSet;
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import org.opends.server.types.DirectoryException;
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import org.opends.server.types.Entry;
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import org.opends.server.types.Modification;
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import com.sleepycat.je.*;
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/**
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* A null index which replaces id2children and id2subtree when they have been
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* disabled.
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*/
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final class NullIndex extends Index
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{
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/**
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* Create a new null index object.
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*
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* @param name
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* The name of the index database within the entryContainer.
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* @param indexer
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* The indexer object to construct index keys from LDAP attribute
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* values.
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* @param state
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* The state database to persist index state info.
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* @param env
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* The JE Environemnt
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* @param entryContainer
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* The database entryContainer holding this index.
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* @throws DatabaseException
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* If an error occurs in the JE database.
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*/
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public NullIndex(String name, Indexer indexer, State state, Environment env,
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EntryContainer entryContainer) throws DatabaseException
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{
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super(name, indexer, state, 0, 0, false, env, entryContainer);
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public boolean insertID(IndexBuffer buffer, byte[] keyBytes, EntryID entryID)
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{
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return true;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public boolean insertID(Transaction txn, DatabaseEntry key, EntryID entryID)
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throws DatabaseException
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{
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return true;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void insert(DatabaseEntry key, ImportIDSet importIdSet,
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DatabaseEntry data) throws DatabaseException
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{
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// Do nothing.
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void delete(DatabaseEntry key, ImportIDSet importIdSet,
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DatabaseEntry data) throws DatabaseException
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{
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// Do nothing.
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public synchronized boolean insert(ImportIDSet importIDSet,
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Set<byte[]> keySet, DatabaseEntry keyData, DatabaseEntry data)
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throws DatabaseException
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{
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return true;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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void updateKey(Transaction txn, DatabaseEntry key, EntryIDSet deletedIDs,
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EntryIDSet addedIDs) throws DatabaseException
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{
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// Do nothing.
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public boolean removeID(IndexBuffer buffer, byte[] keyBytes, EntryID entryID)
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{
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return true;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void removeID(Transaction txn, DatabaseEntry key, EntryID entryID)
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throws DatabaseException
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{
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// Do nothing.
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void delete(Transaction txn, Set<byte[]> keySet, EntryID entryID)
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throws DatabaseException
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{
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// Do nothing.
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void delete(IndexBuffer buffer, byte[] keyBytes)
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{
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// Do nothing.
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public ConditionResult containsID(Transaction txn, DatabaseEntry key,
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EntryID entryID) throws DatabaseException
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{
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return ConditionResult.UNDEFINED;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public EntryIDSet readKey(DatabaseEntry key, Transaction txn,
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LockMode lockMode)
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{
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return new EntryIDSet();
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void writeKey(Transaction txn, DatabaseEntry key,
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EntryIDSet entryIDList) throws DatabaseException
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{
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// Do nothing.
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public EntryIDSet readRange(byte[] lower, byte[] upper,
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boolean lowerIncluded, boolean upperIncluded)
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{
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return new EntryIDSet();
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public int getEntryLimitExceededCount()
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{
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return 0;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void closeCursor() throws DatabaseException
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{
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// Do nothing.
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public boolean addEntry(IndexBuffer buffer, EntryID entryID, Entry entry)
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throws DatabaseException, DirectoryException
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{
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return true;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public boolean addEntry(Transaction txn, EntryID entryID, Entry entry)
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throws DatabaseException, DirectoryException
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{
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return true;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void removeEntry(IndexBuffer buffer, EntryID entryID, Entry entry)
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throws DatabaseException, DirectoryException
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{
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// Do nothing.
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void removeEntry(Transaction txn, EntryID entryID, Entry entry)
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throws DatabaseException, DirectoryException
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{
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// Do nothing.
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void modifyEntry(Transaction txn, EntryID entryID, Entry oldEntry,
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Entry newEntry, List<Modification> mods) throws DatabaseException
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{
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// Do nothing.
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void modifyEntry(IndexBuffer buffer, EntryID entryID, Entry oldEntry,
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Entry newEntry, List<Modification> mods) throws DatabaseException
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{
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// Do nothing.
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public boolean setIndexEntryLimit(int indexEntryLimit)
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{
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return false;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public int getIndexEntryLimit()
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{
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return 0;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public synchronized void setTrusted(Transaction txn, boolean trusted)
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throws DatabaseException
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{
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// Do nothing.
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public synchronized boolean isTrusted()
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{
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return true;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public synchronized boolean isRebuildRunning()
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{
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return false;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public synchronized void setRebuildStatus(boolean rebuildRunning)
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{
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// Do nothing.
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public boolean getMaintainCount()
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{
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return false;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public void open() throws DatabaseException
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{
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// Do nothing.
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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synchronized void close() throws DatabaseException
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{
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// Do nothing.
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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protected OperationStatus put(Transaction txn, DatabaseEntry key,
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DatabaseEntry data) throws DatabaseException
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{
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return OperationStatus.SUCCESS;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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protected OperationStatus read(Transaction txn, DatabaseEntry key,
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DatabaseEntry data, LockMode lockMode) throws DatabaseException
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{
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return OperationStatus.SUCCESS;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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protected OperationStatus insert(Transaction txn, DatabaseEntry key,
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DatabaseEntry data) throws DatabaseException
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{
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return OperationStatus.SUCCESS;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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protected OperationStatus delete(Transaction txn, DatabaseEntry key)
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throws DatabaseException
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{
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return OperationStatus.SUCCESS;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public Cursor openCursor(Transaction txn, CursorConfig cursorConfig)
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throws DatabaseException
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{
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throw new IllegalStateException();
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public long getRecordCount() throws DatabaseException
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{
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return 0;
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}
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/**
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* {@inheritDoc}
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*/
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@Override
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public PreloadStats preload(PreloadConfig config) throws DatabaseException
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{
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return new PreloadStats();
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}
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}
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