/*
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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
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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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
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying 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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*
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* Portions Copyright 2006-2007 Sun Microsystems, Inc.
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*/
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package org.opends.server.core;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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import org.opends.server.api.ClientConnection;
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import org.opends.server.api.plugin.PreParsePluginResult;
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import org.opends.server.protocols.asn1.ASN1OctetString;
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import org.opends.server.types.AbstractOperation;
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import org.opends.server.types.ByteString;
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import org.opends.server.types.CancelRequest;
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import org.opends.server.types.CancelResult;
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import org.opends.server.types.Control;
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import org.opends.server.types.DirectoryException;
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import org.opends.server.types.DisconnectReason;
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import org.opends.server.types.DN;
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import org.opends.server.types.Entry;
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import org.opends.server.types.ErrorLogCategory;
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import org.opends.server.types.ErrorLogSeverity;
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import org.opends.server.types.Modification;
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import org.opends.server.types.Operation;
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import org.opends.server.types.OperationType;
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import org.opends.server.types.RDN;
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import org.opends.server.types.ResultCode;
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import org.opends.server.types.operation.PostResponseModifyDNOperation;
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import org.opends.server.types.operation.PreParseModifyDNOperation;
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import static org.opends.server.core.CoreConstants.*;
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import static org.opends.server.loggers.AccessLogger.*;
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import org.opends.server.types.DebugLogLevel;
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import org.opends.server.workflowelement.localbackend.*;
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import static org.opends.server.loggers.ErrorLogger.*;
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import static org.opends.server.loggers.debug.DebugLogger.*;
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import org.opends.server.loggers.debug.DebugLogger;
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import org.opends.server.loggers.debug.DebugTracer;
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import static org.opends.server.messages.CoreMessages.*;
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import static org.opends.server.messages.MessageHandler.*;
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import static org.opends.server.util.StaticUtils.*;
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/**
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* This class defines an operation that may be used to alter the DN of an entry
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* in the Directory Server.
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*/
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public class ModifyDNOperationBasis
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extends AbstractOperation
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implements ModifyDNOperation,
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PreParseModifyDNOperation,
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PostResponseModifyDNOperation
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{
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/**
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* The tracer object for the debug logger.
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*/
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private static final DebugTracer TRACER = DebugLogger.getTracer();
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// Indicates whether to delete the old RDN value from the entry.
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private boolean deleteOldRDN;
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// The raw, unprocessed current DN of the entry as included in the request
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// from the client.
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private ByteString rawEntryDN;
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// The raw, unprocessed newRDN as included in the request from the client.
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private ByteString rawNewRDN;
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// The raw, unprocessed newSuperior as included in the request from the
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// client.
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private ByteString rawNewSuperior;
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// The cancel request issued for this modify DN operation.
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private CancelRequest cancelRequest;
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// The current DN of the entry.
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private DN entryDN;
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// The new parent for the entry.
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private DN newSuperior;
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// The proxied authorization target DN for this operation.
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private DN proxiedAuthorizationDN;
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// The set of response controls for this modify DN operation.
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private List<Control> responseControls;
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// The set of modifications applied to attributes in the entry in the course
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// of processing the modify DN.
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private List<Modification> modifications;
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// The change number that has been assigned to this operation.
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private long changeNumber;
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// The new RDN for the entry.
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private RDN newRDN;
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// The new entry DN
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private DN newDN = null;
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/**
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* Creates a new modify DN operation with the provided information.
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*
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* @param clientConnection The client connection with which this operation
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* is associated.
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* @param operationID The operation ID for this operation.
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* @param messageID The message ID of the request with which this
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* operation is associated.
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* @param requestControls The set of controls included in the request.
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* @param rawEntryDN The raw, unprocessed entry DN as included in the
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* client request.
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* @param rawNewRDN The raw, unprocessed newRDN as included in the
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* client request.
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* @param deleteOldRDN Indicates whether to delete the old RDN value
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* from the entry.
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* @param rawNewSuperior The raw, unprocessed newSuperior as included in
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* the client request.
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*/
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public ModifyDNOperationBasis(ClientConnection clientConnection,
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long operationID,
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int messageID, List<Control> requestControls,
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ByteString rawEntryDN, ByteString rawNewRDN,
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boolean deleteOldRDN, ByteString rawNewSuperior)
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{
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super(clientConnection, operationID, messageID, requestControls);
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this.rawEntryDN = rawEntryDN;
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this.rawNewRDN = rawNewRDN;
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this.deleteOldRDN = deleteOldRDN;
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this.rawNewSuperior = rawNewSuperior;
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entryDN = null;
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newRDN = null;
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newSuperior = null;
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responseControls = new ArrayList<Control>();
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cancelRequest = null;
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modifications = null;
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changeNumber = -1;
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}
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/**
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* Creates a new modify DN operation with the provided information.
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*
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* @param clientConnection The client connection with which this operation
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* is associated.
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* @param operationID The operation ID for this operation.
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* @param messageID The message ID of the request with which this
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* operation is associated.
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* @param requestControls The set of controls included in the request.
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* @param entryDN The current entry DN for this modify DN
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* operation.
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* @param newRDN The new RDN for this modify DN operation.
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* @param deleteOldRDN Indicates whether to delete the old RDN value
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* from the entry.
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* @param newSuperior The newSuperior DN for this modify DN operation.
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*/
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public ModifyDNOperationBasis(ClientConnection clientConnection,
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long operationID,
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int messageID, List<Control> requestControls,
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DN entryDN, RDN newRDN, boolean deleteOldRDN,
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DN newSuperior)
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{
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super(clientConnection, operationID, messageID, requestControls);
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this.entryDN = entryDN;
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this.newRDN = newRDN;
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this.deleteOldRDN = deleteOldRDN;
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this.newSuperior = newSuperior;
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rawEntryDN = new ASN1OctetString(entryDN.toString());
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rawNewRDN = new ASN1OctetString(newRDN.toString());
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if (newSuperior == null)
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{
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rawNewSuperior = null;
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}
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else
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{
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rawNewSuperior = new ASN1OctetString(newSuperior.toString());
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}
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responseControls = new ArrayList<Control>();
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cancelRequest = null;
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modifications = null;
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changeNumber = -1;
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}
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/**
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* {@inheritDoc}
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*/
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public final ByteString getRawEntryDN()
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{
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return rawEntryDN;
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}
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/**
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* {@inheritDoc}
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*/
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public final void setRawEntryDN(ByteString rawEntryDN)
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{
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this.rawEntryDN = rawEntryDN;
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entryDN = null;
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}
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/**
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* {@inheritDoc}
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*/
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public final DN getEntryDN()
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{
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try
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{
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if (entryDN == null)
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{
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entryDN = DN.decode(rawEntryDN);
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}
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}
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catch (DirectoryException de)
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{
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if (debugEnabled())
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{
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TRACER.debugCaught(DebugLogLevel.ERROR, de);
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}
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setResultCode(de.getResultCode());
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appendErrorMessage(de.getErrorMessage());
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}
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return entryDN;
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}
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/**
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* {@inheritDoc}
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*/
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public final ByteString getRawNewRDN()
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{
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return rawNewRDN;
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}
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/**
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* {@inheritDoc}
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*/
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public final void setRawNewRDN(ByteString rawNewRDN)
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{
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this.rawNewRDN = rawNewRDN;
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newRDN = null;
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newDN = null;
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}
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/**
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* {@inheritDoc}
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*/
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public final RDN getNewRDN()
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{
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try
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{
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if (newRDN == null)
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{
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newRDN = RDN.decode(rawNewRDN.stringValue());
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}
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}
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catch (DirectoryException de)
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{
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if (debugEnabled())
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{
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TRACER.debugCaught(DebugLogLevel.ERROR, de);
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}
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setResultCode(de.getResultCode());
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appendErrorMessage(de.getErrorMessage());
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}
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return newRDN;
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}
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/**
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* {@inheritDoc}
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*/
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public final boolean deleteOldRDN()
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{
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return deleteOldRDN;
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}
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/**
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* {@inheritDoc}
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*/
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public final void setDeleteOldRDN(boolean deleteOldRDN)
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{
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this.deleteOldRDN = deleteOldRDN;
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}
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/**
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* {@inheritDoc}
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*/
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public final ByteString getRawNewSuperior()
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{
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return rawNewSuperior;
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}
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/**
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* {@inheritDoc}
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*/
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public final void setRawNewSuperior(ByteString rawNewSuperior)
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{
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this.rawNewSuperior = rawNewSuperior;
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newSuperior = null;
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newDN = null;
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}
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/**
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* {@inheritDoc}
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*/
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public final DN getNewSuperior()
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{
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if (rawNewSuperior == null)
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{
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newSuperior = null;
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}
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else
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{
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try
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{
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if (newSuperior == null)
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{
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newSuperior = DN.decode(rawNewSuperior);
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}
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}
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catch (DirectoryException de)
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{
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if (debugEnabled())
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{
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TRACER.debugCaught(DebugLogLevel.ERROR, de);
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}
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setResultCode(de.getResultCode());
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appendErrorMessage(de.getErrorMessage());
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}
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}
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return newSuperior;
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}
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/**
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* {@inheritDoc}
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*/
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public final List<Modification> getModifications()
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{
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return modifications;
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}
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/**
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* {@inheritDoc}
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*/
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public final void addModification(Modification modification)
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{
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if (modifications == null)
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{
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modifications = new ArrayList<Modification>();
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}
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if (modification != null)
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{
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modifications.add(modification);
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}
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}
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/**
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* {@inheritDoc}
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*/
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public final Entry getOriginalEntry()
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{
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return null;
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}
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/**
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* {@inheritDoc}
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*/
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public final Entry getUpdatedEntry()
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{
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return null;
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}
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/**
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* {@inheritDoc}
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*/
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public final long getChangeNumber()
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{
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return changeNumber;
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}
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/**
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* {@inheritDoc}
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*/
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public final void setChangeNumber(long changeNumber)
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{
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this.changeNumber = changeNumber;
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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 final OperationType getOperationType()
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{
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// Note that no debugging will be done in this method because it is a likely
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// candidate for being called by the logging subsystem.
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return OperationType.MODIFY_DN;
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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 final void disconnectClient(DisconnectReason disconnectReason,
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boolean sendNotification, String message,
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int messageID)
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{
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// Before calling clientConnection.disconnect, we need to mark this
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// operation as cancelled so that the attempt to cancel it later won't cause
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// an unnecessary delay.
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setCancelResult(CancelResult.CANCELED);
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clientConnection.disconnect(disconnectReason, sendNotification, message,
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messageID);
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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 final String[][] getRequestLogElements()
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{
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// Note that no debugging will be done in this method because it is a likely
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// candidate for being called by the logging subsystem.
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String newSuperiorStr;
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if (rawNewSuperior == null)
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{
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newSuperiorStr = null;
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}
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else
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{
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newSuperiorStr = rawNewSuperior.stringValue();
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}
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return new String[][]
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{
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new String[] { LOG_ELEMENT_ENTRY_DN, String.valueOf(rawEntryDN) },
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new String[] { LOG_ELEMENT_NEW_RDN, String.valueOf(newRDN) },
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new String[] { LOG_ELEMENT_DELETE_OLD_RDN,
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String.valueOf(deleteOldRDN) },
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new String[] { LOG_ELEMENT_NEW_SUPERIOR, newSuperiorStr }
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};
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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 final String[][] getResponseLogElements()
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{
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// Note that no debugging will be done in this method because it is a likely
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// candidate for being called by the logging subsystem.
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String resultCode = String.valueOf(getResultCode().getIntValue());
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String errorMessage;
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StringBuilder errorMessageBuffer = getErrorMessage();
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if (errorMessageBuffer == null)
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{
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errorMessage = null;
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}
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else
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{
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errorMessage = errorMessageBuffer.toString();
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}
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String matchedDNStr;
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DN matchedDN = getMatchedDN();
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if (matchedDN == null)
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{
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matchedDNStr = null;
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}
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else
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{
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matchedDNStr = matchedDN.toString();
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}
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String referrals;
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List<String> referralURLs = getReferralURLs();
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if ((referralURLs == null) || referralURLs.isEmpty())
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{
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referrals = null;
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}
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else
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{
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StringBuilder buffer = new StringBuilder();
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Iterator<String> iterator = referralURLs.iterator();
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buffer.append(iterator.next());
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while (iterator.hasNext())
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{
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buffer.append(", ");
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buffer.append(iterator.next());
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}
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referrals = buffer.toString();
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}
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String processingTime =
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String.valueOf(getProcessingTime());
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return new String[][]
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{
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new String[] { LOG_ELEMENT_RESULT_CODE, resultCode },
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new String[] { LOG_ELEMENT_ERROR_MESSAGE, errorMessage },
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new String[] { LOG_ELEMENT_MATCHED_DN, matchedDNStr },
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new String[] { LOG_ELEMENT_REFERRAL_URLS, referrals },
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new String[] { LOG_ELEMENT_PROCESSING_TIME, processingTime }
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};
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}
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/**
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* {@inheritDoc}
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*/
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public DN getProxiedAuthorizationDN()
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{
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return proxiedAuthorizationDN;
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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 final List<Control> getResponseControls()
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{
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return responseControls;
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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 final void addResponseControl(Control control)
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{
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responseControls.add(control);
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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 final void removeResponseControl(Control control)
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{
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responseControls.remove(control);
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}
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|
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/**
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* Performs the work of actually processing this operation. This
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* should include all processing for the operation, including
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* invoking plugins, logging messages, performing access control,
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* managing synchronization, and any other work that might need to
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* be done in the course of processing.
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*/
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public final void run()
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{
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setResultCode(ResultCode.UNDEFINED);
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// Get the plugin config manager that will be used for invoking plugins.
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PluginConfigManager pluginConfigManager =
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DirectoryServer.getPluginConfigManager();
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// Start the processing timer.
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setProcessingStartTime();
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// Check for and handle a request to cancel this operation.
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if (cancelRequest != null)
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{
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indicateCancelled(cancelRequest);
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setProcessingStopTime();
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return;
|
}
|
|
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// This flag is set to true as soon as a workflow has been executed.
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boolean workflowExecuted = false;
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|
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// Create a labeled block of code that we can break out of if a problem is
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// detected.
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modifyDNProcessing:
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{
|
// Invoke the pre-parse modify DN plugins.
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PreParsePluginResult preParseResult =
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pluginConfigManager.invokePreParseModifyDNPlugins(this);
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if (preParseResult.connectionTerminated())
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{
|
// There's no point in continuing with anything. Log the request and
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// result and return.
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setResultCode(ResultCode.CANCELED);
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int msgID = MSGID_CANCELED_BY_PREPARSE_DISCONNECT;
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appendErrorMessage(getMessage(msgID));
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setProcessingStopTime();
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logModifyDNRequest(this);
|
logModifyDNResponse(this);
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pluginConfigManager.invokePostResponseModifyDNPlugins(this);
|
return;
|
}
|
else if (preParseResult.sendResponseImmediately())
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{
|
logModifyDNRequest(this);
|
break modifyDNProcessing;
|
}
|
else if (preParseResult.skipCoreProcessing())
|
{
|
break modifyDNProcessing;
|
}
|
|
|
// Log the modify DN request message.
|
logModifyDNRequest(this);
|
|
|
// Check for a request to cancel this operation.
|
if (cancelRequest != null)
|
{
|
break modifyDNProcessing;
|
}
|
|
// Process the entry DN, newRDN, and newSuperior elements from their raw
|
// forms as provided by the client to the forms required for the rest of
|
// the modify DN processing.
|
DN entryDN = getEntryDN();
|
if (entryDN == null)
|
{
|
break modifyDNProcessing;
|
}
|
|
// Retrieve the network group attached to the client connection
|
// and get a workflow to process the operation.
|
NetworkGroup ng = getClientConnection().getNetworkGroup();
|
Workflow workflow = ng.getWorkflowCandidate(entryDN);
|
if (workflow == null)
|
{
|
// We have found no workflow for the requested base DN, just return
|
// a no such entry result code and stop the processing.
|
updateOperationErrMsgAndResCode();
|
break modifyDNProcessing;
|
}
|
workflow.execute(this);
|
workflowExecuted = true;
|
}
|
|
// Check for a terminated connection.
|
if (getCancelResult() == CancelResult.CANCELED)
|
{
|
// Stop the processing timer.
|
setProcessingStopTime();
|
|
// Log the add response message.
|
logModifyDNResponse(this);
|
|
return;
|
}
|
|
// Check for and handle a request to cancel this operation.
|
if (cancelRequest != null)
|
{
|
indicateCancelled(cancelRequest);
|
|
// Stop the processing timer.
|
setProcessingStopTime();
|
|
// Log the modify DN response message.
|
logModifyDNResponse(this);
|
|
// Invoke the post-response modify DN plugins.
|
invokePostResponsePlugins(workflowExecuted);
|
|
return;
|
}
|
|
// Indicate that it is now too late to attempt to cancel the operation.
|
setCancelResult(CancelResult.TOO_LATE);
|
|
// Stop the processing timer.
|
setProcessingStopTime();
|
|
// Send the modify DN response to the client.
|
clientConnection.sendResponse(this);
|
|
// Log the modify DN response.
|
logModifyDNResponse(this);
|
|
// Notifies any persistent searches that might be registered with the
|
// server.
|
notifyPersistentSearches(workflowExecuted);
|
|
// Invoke the post-response modify DN plugins.
|
invokePostResponsePlugins(workflowExecuted);
|
}
|
|
|
/**
|
* Invokes the post response plugins. If a workflow has been executed
|
* then invoke the post response plugins provided by the workflow
|
* elements of the worklfow, otherwise invoke the post reponse plugins
|
* that have been registered with the current operation.
|
*
|
* @param workflowExecuted <code>true</code> if a workflow has been
|
* executed
|
*/
|
private void invokePostResponsePlugins(boolean workflowExecuted)
|
{
|
// Get the plugin config manager that will be used for invoking plugins.
|
PluginConfigManager pluginConfigManager =
|
DirectoryServer.getPluginConfigManager();
|
|
// Invoke the post response plugins
|
if (workflowExecuted)
|
{
|
// Invoke the post response plugins that have been registered by
|
// the workflow elements
|
List localOperations =
|
(List)getAttachment(Operation.LOCALBACKENDOPERATIONS);
|
|
if (localOperations != null)
|
{
|
for (Object localOp : localOperations)
|
{
|
LocalBackendModifyDNOperation localOperation =
|
(LocalBackendModifyDNOperation)localOp;
|
pluginConfigManager.invokePostResponseModifyDNPlugins(localOperation);
|
}
|
}
|
}
|
else
|
{
|
// Invoke the post response plugins that have been registered with
|
// the current operation
|
pluginConfigManager.invokePostResponseModifyDNPlugins(this);
|
}
|
}
|
|
|
/**
|
* Notifies any persistent searches that might be registered with the server.
|
* If no workflow has been executed then don't notify persistent searches.
|
*
|
* @param workflowExecuted <code>true</code> if a workflow has been
|
* executed
|
*/
|
private void notifyPersistentSearches(boolean workflowExecuted)
|
{
|
if (! workflowExecuted)
|
{
|
return;
|
}
|
|
List localOperations =
|
(List)getAttachment(Operation.LOCALBACKENDOPERATIONS);
|
|
if (localOperations != null)
|
{
|
for (Object localOperation : localOperations)
|
{
|
LocalBackendModifyDNOperation localOp =
|
(LocalBackendModifyDNOperation)localOperation;
|
// Notify any persistent searches that might be registered with
|
// the server.
|
if (getResultCode() == ResultCode.SUCCESS)
|
{
|
for (PersistentSearch persistentSearch :
|
DirectoryServer.getPersistentSearches())
|
{
|
try
|
{
|
persistentSearch.processModifyDN(
|
localOp,
|
localOp.getOriginalEntry(),
|
localOp.getUpdatedEntry());
|
}
|
catch (Exception e)
|
{
|
if (debugEnabled())
|
{
|
TRACER.debugCaught(DebugLogLevel.ERROR, e);
|
}
|
|
int msgID = MSGID_MODDN_ERROR_NOTIFYING_PERSISTENT_SEARCH;
|
String message = getMessage(msgID,
|
String.valueOf(persistentSearch),
|
getExceptionMessage(e));
|
logError(ErrorLogCategory.CORE_SERVER,
|
ErrorLogSeverity.SEVERE_ERROR,
|
message, msgID);
|
|
DirectoryServer.deregisterPersistentSearch(persistentSearch);
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
/**
|
* Updates the error message and the result code of the operation.
|
*
|
* This method is called because no workflows were found to process
|
* the operation.
|
*/
|
private void updateOperationErrMsgAndResCode()
|
{
|
setResultCode(ResultCode.NO_SUCH_OBJECT);
|
appendErrorMessage(getMessage(MSGID_MODDN_NO_BACKEND_FOR_CURRENT_ENTRY,
|
String.valueOf(entryDN)));
|
}
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public final CancelResult cancel(CancelRequest cancelRequest)
|
{
|
this.cancelRequest = cancelRequest;
|
|
CancelResult cancelResult = getCancelResult();
|
long stopWaitingTime = System.currentTimeMillis() + 5000;
|
while ((cancelResult == null) &&
|
(System.currentTimeMillis() < stopWaitingTime))
|
{
|
try
|
{
|
Thread.sleep(50);
|
}
|
catch (Exception e)
|
{
|
if (debugEnabled())
|
{
|
TRACER.debugCaught(DebugLogLevel.ERROR, e);
|
}
|
}
|
|
cancelResult = getCancelResult();
|
}
|
|
if (cancelResult == null)
|
{
|
// This can happen in some rare cases (e.g., if a client disconnects and
|
// there is still a lot of data to send to that client), and in this case
|
// we'll prevent the cancel thread from blocking for a long period of
|
// time.
|
cancelResult = CancelResult.CANNOT_CANCEL;
|
}
|
|
return cancelResult;
|
}
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public final CancelRequest getCancelRequest()
|
{
|
return cancelRequest;
|
}
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public boolean setCancelRequest(CancelRequest cancelRequest)
|
{
|
this.cancelRequest = cancelRequest;
|
return true;
|
}
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override()
|
public final void toString(StringBuilder buffer)
|
{
|
buffer.append("ModifyDNOperation(connID=");
|
buffer.append(clientConnection.getConnectionID());
|
buffer.append(", opID=");
|
buffer.append(operationID);
|
buffer.append(", dn=");
|
buffer.append(rawEntryDN);
|
buffer.append(", newRDN=");
|
buffer.append(rawNewRDN);
|
buffer.append(", deleteOldRDN=");
|
buffer.append(deleteOldRDN);
|
|
if (rawNewSuperior != null)
|
{
|
buffer.append(", newSuperior=");
|
buffer.append(rawNewSuperior);
|
}
|
buffer.append(")");
|
}
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
public void setProxiedAuthorizationDN(DN dn)
|
{
|
proxiedAuthorizationDN = dn;
|
}
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
public DN getNewDN()
|
{
|
if (newDN == null)
|
{
|
// Construct the new DN to use for the entry.
|
DN parentDN = null;
|
if (newSuperior == null)
|
{
|
if (getEntryDN() != null)
|
{
|
parentDN = entryDN.getParentDNInSuffix();
|
}
|
}
|
else
|
{
|
parentDN = newSuperior;
|
}
|
|
if ((parentDN == null) || parentDN.isNullDN())
|
{
|
setResultCode(ResultCode.UNWILLING_TO_PERFORM);
|
appendErrorMessage(getMessage(MSGID_MODDN_NO_PARENT,
|
String.valueOf(entryDN)));
|
}
|
newDN = parentDN.concat(newRDN);
|
}
|
return newDN;
|
}
|
|
}
|
