/*
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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 2007 Sun Microsystems, Inc.
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*/
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package org.opends.server.core;
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import static org.opends.server.core.CoreConstants.LOG_ELEMENT_ENTRY_DN;
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import static org.opends.server.core.CoreConstants.LOG_ELEMENT_ERROR_MESSAGE;
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import static org.opends.server.core.CoreConstants.LOG_ELEMENT_MATCHED_DN;
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import static org.opends.server.core.CoreConstants.LOG_ELEMENT_PROCESSING_TIME;
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import static org.opends.server.core.CoreConstants.LOG_ELEMENT_REFERRAL_URLS;
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import static org.opends.server.core.CoreConstants.LOG_ELEMENT_RESULT_CODE;
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import static org.opends.server.loggers.AccessLogger.logModifyRequest;
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import static org.opends.server.loggers.AccessLogger.logModifyResponse;
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import static org.opends.server.loggers.ErrorLogger.logError;
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import static org.opends.server.loggers.debug.DebugLogger.debugEnabled;
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import static org.opends.server.messages.CoreMessages.*;
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import static org.opends.server.messages.MessageHandler.getMessage;
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import static org.opends.server.util.StaticUtils.getExceptionMessage;
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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.loggers.debug.DebugLogger;
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import org.opends.server.loggers.debug.DebugTracer;
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import org.opends.server.protocols.asn1.ASN1OctetString;
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import org.opends.server.protocols.ldap.LDAPAttribute;
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import org.opends.server.types.LDAPException;
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import org.opends.server.protocols.ldap.LDAPModification;
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import org.opends.server.types.AttributeValue;
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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.Operation;
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import org.opends.server.types.RawModification;
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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.DN;
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import org.opends.server.types.DebugLogLevel;
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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.Modification;
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import org.opends.server.types.OperationType;
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import org.opends.server.types.ResultCode;
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import org.opends.server.types.operation.PostResponseModifyOperation;
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import org.opends.server.types.operation.PreParseModifyOperation;
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import org.opends.server.workflowelement.localbackend.*;
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/**
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* This class defines an operation that may be used to modify an entry in the
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* Directory Server.
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*/
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public class ModifyOperationBasis
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extends AbstractOperation implements ModifyOperation,
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PreParseModifyOperation,
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PostResponseModifyOperation
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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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// The raw, unprocessed entry DN as included by the client request.
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private ByteString rawEntryDN;
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// The DN of the entry for the modify operation.
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private DN entryDN;
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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 operation.
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private List<Control> responseControls;
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// The raw, unprocessed set of modifications as included in the client
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// request.
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private List<RawModification> rawModifications;
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// The set of modifications for this modify operation.
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private List<Modification> modifications;
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// The cancel request that has been issued for this modify operation.
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CancelRequest cancelRequest;
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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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/**
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* Creates a new modify 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 DN of the entry to modify,
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* as included in the client request.
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* @param rawModifications The raw, unprocessed set of modifications for
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* this modify operation as included in the client
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* request.
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*/
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public ModifyOperationBasis(ClientConnection clientConnection,
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long operationID,
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int messageID, List<Control> requestControls,
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ByteString rawEntryDN,
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List<RawModification> rawModifications)
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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.rawModifications = rawModifications;
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entryDN = null;
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modifications = null;
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responseControls = new ArrayList<Control>();
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cancelRequest = null;
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}
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/**
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* Creates a new modify 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 entry DN for the modify operation.
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* @param modifications The set of modifications for this modify
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* operation.
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*/
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public ModifyOperationBasis(ClientConnection clientConnection,
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long operationID,
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int messageID, List<Control> requestControls,
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DN entryDN, List<Modification> modifications)
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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.modifications = modifications;
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rawEntryDN = new ASN1OctetString(entryDN.toString());
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rawModifications = new ArrayList<RawModification>(modifications.size());
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for (Modification m : modifications)
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{
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rawModifications.add(new LDAPModification(m.getModificationType(),
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new LDAPAttribute(m.getAttribute())));
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}
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responseControls = new ArrayList<Control>();
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cancelRequest = null;
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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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if (entryDN == null){
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try {
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entryDN = DN.decode(rawEntryDN);
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}
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catch (DirectoryException de) {
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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 entryDN;
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}
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/**
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* {@inheritDoc}
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*/
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public final List<RawModification> getRawModifications()
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{
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return rawModifications;
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}
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/**
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* {@inheritDoc}
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*/
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public final void addRawModification(RawModification rawModification)
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{
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rawModifications.add(rawModification);
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modifications = null;
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}
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/**
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* {@inheritDoc}
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*/
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public final void setRawModifications(List<RawModification> rawModifications)
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{
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this.rawModifications = rawModifications;
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modifications = null;
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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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if (modifications == null)
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{
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modifications = new ArrayList<Modification>(rawModifications.size());
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try {
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for (RawModification m : rawModifications)
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{
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modifications.add(m.toModification());
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}
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}
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catch (LDAPException le)
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{
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if (debugEnabled())
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{
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TRACER.debugCaught(DebugLogLevel.ERROR, le);
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}
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setResultCode(ResultCode.valueOf(le.getResultCode()));
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appendErrorMessage(le.getMessage());
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modifications = null;
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}
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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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throws DirectoryException
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{
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modifications.add(modification);
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}
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/**
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* {@inheritDoc}
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*/
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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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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;
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}
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/**
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* {@inheritDoc}
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*/
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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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return new String[][]
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{
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new String[] { LOG_ELEMENT_ENTRY_DN, String.valueOf(rawEntryDN) }
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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 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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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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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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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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* {@inheritDoc}
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*/
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public final CancelResult cancel(CancelRequest cancelRequest)
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{
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this.cancelRequest = cancelRequest;
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CancelResult cancelResult = getCancelResult();
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long stopWaitingTime = System.currentTimeMillis() + 5000;
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while ((cancelResult == null) &&
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(System.currentTimeMillis() < stopWaitingTime))
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{
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try
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{
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Thread.sleep(50);
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}
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catch (Exception e)
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{
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if (debugEnabled())
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{
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TRACER.debugCaught(DebugLogLevel.ERROR, e);
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}
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}
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cancelResult = getCancelResult();
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}
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if (cancelResult == null)
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{
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// This can happen in some rare cases (e.g., if a client disconnects and
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// there is still a lot of data to send to that client), and in this case
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// we'll prevent the cancel thread from blocking for a long period of
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// time.
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cancelResult = CancelResult.CANNOT_CANCEL;
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}
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return cancelResult;
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}
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/**
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* {@inheritDoc}
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*/
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public final CancelRequest getCancelRequest()
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{
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return cancelRequest;
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}
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/**
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* {@inheritDoc}
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*/
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public boolean setCancelRequest(CancelRequest cancelRequest)
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{
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this.cancelRequest = cancelRequest;
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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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public final void toString(StringBuilder buffer)
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{
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buffer.append("ModifyOperation(connID=");
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buffer.append(clientConnection.getConnectionID());
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buffer.append(", opID=");
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buffer.append(operationID);
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buffer.append(", dn=");
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buffer.append(rawEntryDN);
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buffer.append(")");
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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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return changeNumber;
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}
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/**
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* {@inheritDoc}
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*/
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public 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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public void setProxiedAuthorizationDN(DN proxiedAuthorizationDN)
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{
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this.proxiedAuthorizationDN = proxiedAuthorizationDN;
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}
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/**
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* {@inheritDoc}
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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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}
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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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// 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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modifyProcessing:
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{
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// Invoke the pre-parse modify plugins.
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PreParsePluginResult preParseResult =
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pluginConfigManager.invokePreParseModifyPlugins(this);
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if (preParseResult.connectionTerminated())
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{
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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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logModifyRequest(this);
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logModifyResponse(this);
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pluginConfigManager.invokePostResponseModifyPlugins(this);
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return;
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}
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else if (preParseResult.sendResponseImmediately())
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{
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logModifyRequest(this);
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break modifyProcessing;
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}
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else if (preParseResult.skipCoreProcessing())
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{
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break modifyProcessing;
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}
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// Log the modify request message.
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logModifyRequest(this);
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// Check for a request to cancel this operation.
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if (getCancelRequest() != null)
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{
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break modifyProcessing;
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}
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|
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// Process the entry DN to convert it from the raw form to the form
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// required for the rest of the modify processing.
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DN entryDN = getEntryDN();
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if (entryDN == null){
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break modifyProcessing;
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}
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|
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// Retrieve the network group attached to the client connection
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// and get a workflow to process the operation.
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NetworkGroup ng = getClientConnection().getNetworkGroup();
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Workflow workflow = ng.getWorkflowCandidate(entryDN);
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if (workflow == null)
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{
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// We have found no workflow for the requested base DN, just return
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// a no such entry result code and stop the processing.
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updateOperationErrMsgAndResCode();
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break modifyProcessing;
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}
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workflow.execute(this);
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workflowExecuted = true;
|
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} // end of processing block
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|
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// Check for a terminated connection.
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if (getCancelResult() == CancelResult.CANCELED)
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{
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// Stop the processing timer.
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setProcessingStopTime();
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// Log the add response message.
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logModifyResponse(this);
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return;
|
}
|
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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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// Stop the processing timer.
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setProcessingStopTime();
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// Log the modify response message.
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logModifyResponse(this);
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// Invoke the post-response modify plugins.
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invokePostResponsePlugins(workflowExecuted);
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return;
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}
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// Indicate that it is now too late to attempt to cancel the operation.
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setCancelResult(CancelResult.TOO_LATE);
|
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// Stop the processing timer.
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setProcessingStopTime();
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// Send the modify response to the client.
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getClientConnection().sendResponse(this);
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// Log the modify response.
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logModifyResponse(this);
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// Notifies any persistent searches that might be registered with the
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// server.
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notifyPersistentSearches(workflowExecuted);
|
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// Invoke the post-response modify plugins.
|
invokePostResponsePlugins(workflowExecuted);
|
}
|
|
|
/**
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* 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)
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{
|
// 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 =
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(List)getAttachment(Operation.LOCALBACKENDOPERATIONS);
|
|
if (localOperations != null)
|
{
|
for (Object localOp : localOperations)
|
{
|
LocalBackendModifyOperation localOperation =
|
(LocalBackendModifyOperation)localOp;
|
pluginConfigManager.invokePostResponseModifyPlugins(localOperation);
|
}
|
}
|
}
|
else
|
{
|
// Invoke the post response plugins that have been registered with
|
// the current operation
|
pluginConfigManager.invokePostResponseModifyPlugins(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 localOp : localOperations)
|
{
|
LocalBackendModifyOperation localOperation =
|
(LocalBackendModifyOperation)localOp;
|
// Notify any persistent searches that might be registered with
|
// the server.
|
if (localOperation.getResultCode() == ResultCode.SUCCESS)
|
{
|
for (PersistentSearch persistentSearch :
|
DirectoryServer.getPersistentSearches())
|
{
|
try
|
{
|
persistentSearch.processModify(localOperation,
|
localOperation.getCurrentEntry(),
|
localOperation.getModifiedEntry());
|
}
|
catch (Exception e)
|
{
|
if (debugEnabled())
|
{
|
TRACER.debugCaught(DebugLogLevel.ERROR, e);
|
}
|
|
int msgID = MSGID_MODIFY_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_MODIFY_NO_SUCH_ENTRY,
|
String.valueOf(getEntryDN())));
|
}
|
|
|
/**
|
* {@inheritDoc}
|
*
|
* This method always returns null.
|
*/
|
public Entry getCurrentEntry() {
|
// TODO Auto-generated method stub
|
return null;
|
}
|
|
/**
|
* {@inheritDoc}
|
*
|
* This method always returns null.
|
*/
|
public List<AttributeValue> getCurrentPasswords()
|
{
|
return null;
|
}
|
|
/**
|
* {@inheritDoc}
|
*
|
* This method always returns null.
|
*/
|
public Entry getModifiedEntry()
|
{
|
return null;
|
}
|
|
/**
|
* {@inheritDoc}
|
*
|
* This method always returns null.
|
*/
|
public List<AttributeValue> getNewPasswords()
|
{
|
return null;
|
}
|
|
}
|
