/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2007-2010 Sun Microsystems, Inc.
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* Portions copyright 2013 ForgeRock AS
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*/
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package org.opends.server.core;
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import static org.opends.messages.CoreMessages.*;
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import static org.opends.server.loggers.AccessLogger.*;
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import static org.opends.server.loggers.debug.DebugLogger.*;
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import java.util.ArrayList;
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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.PluginResult;
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import org.opends.server.core.networkgroups.NetworkGroup;
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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.types.*;
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import org.opends.server.types.operation.PostResponseDeleteOperation;
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import org.opends.server.types.operation.PreParseDeleteOperation;
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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 remove an entry from the
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* Directory Server.
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*/
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public class DeleteOperationBasis
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extends AbstractOperation
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implements PreParseDeleteOperation,
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DeleteOperation,
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PostResponseDeleteOperation
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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 in the client request. */
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private ByteString rawEntryDN;
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/** The DN of the entry for the delete 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 delete operation. */
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private List<Control> responseControls;
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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 delete 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 delete,
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* as included in the client request.
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*/
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public DeleteOperationBasis(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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{
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super(clientConnection, operationID, messageID, requestControls);
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this.rawEntryDN = rawEntryDN;
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entryDN = null;
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responseControls = new ArrayList<Control>();
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cancelRequest = null;
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changeNumber = -1;
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}
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/**
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* Creates a new delete 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 this delete operation.
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*/
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public DeleteOperationBasis(ClientConnection clientConnection,
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long operationID,
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int messageID, List<Control> requestControls,
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DN entryDN)
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{
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super(clientConnection, operationID, messageID, requestControls);
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this.entryDN = entryDN;
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rawEntryDN = ByteString.valueOf(entryDN.toString());
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responseControls = new ArrayList<Control>();
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cancelRequest = 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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@Override
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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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@Override
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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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@Override
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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.getMessageObject());
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setMatchedDN(de.getMatchedDN());
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setReferralURLs(de.getReferralURLs());
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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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@Override
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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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@Override
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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.DELETE;
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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 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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* {@inheritDoc}
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*/
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@Override()
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public final void toString(StringBuilder buffer)
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{
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buffer.append("DeleteOperation(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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@Override
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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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@Override
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public final void run()
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{
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setResultCode(ResultCode.UNDEFINED);
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// Start the processing timer.
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setProcessingStartTime();
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// Log the delete request message.
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logDeleteRequest(this);
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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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// 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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try
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{
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// Invoke the pre-parse delete plugins.
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PluginResult.PreParse preParseResult =
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pluginConfigManager.invokePreParseDeletePlugins(this);
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if(!preParseResult.continueProcessing())
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{
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setResultCode(preParseResult.getResultCode());
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appendErrorMessage(preParseResult.getErrorMessage());
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setMatchedDN(preParseResult.getMatchedDN());
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setReferralURLs(preParseResult.getReferralURLs());
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return;
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}
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// Check for a request to cancel this operation.
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checkIfCanceled(false);
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// Process the entry DN to convert it from its raw form as provided by the
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// client to the form required for the rest of the delete processing.
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DN entryDN = getEntryDN();
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if (entryDN == null){
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return;
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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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return;
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}
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workflow.execute(this);
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workflowExecuted = true;
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}
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catch(CanceledOperationException coe)
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{
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if (debugEnabled())
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{
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TRACER.debugCaught(DebugLogLevel.ERROR, coe);
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}
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setResultCode(ResultCode.CANCELED);
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cancelResult = new CancelResult(ResultCode.CANCELED, null);
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appendErrorMessage(coe.getCancelRequest().getCancelReason());
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}
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finally
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{
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// Stop the processing timer.
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setProcessingStopTime();
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// Log the delete response.
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logDeleteResponse(this);
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if(cancelRequest == null || cancelResult == null ||
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cancelResult.getResultCode() != ResultCode.CANCELED ||
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cancelRequest.notifyOriginalRequestor() ||
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DirectoryServer.notifyAbandonedOperations())
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{
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clientConnection.sendResponse(this);
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}
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// Invoke the post-response callbacks.
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if (workflowExecuted) {
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invokePostResponseCallbacks();
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}
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// Invoke the post-response delete plugins.
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invokePostResponsePlugins(workflowExecuted);
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// If no cancel result, set it
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if(cancelResult == null)
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{
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cancelResult = new CancelResult(ResultCode.TOO_LATE, null);
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}
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}
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}
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/**
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* Invokes the post response plugins. If a workflow has been executed
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* then invoke the post response plugins provided by the workflow
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* elements of the worklfow, otherwise invoke the post reponse plugins
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* that have been registered with the current operation.
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*
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* @param workflowExecuted <code>true</code> if a workflow has been
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* executed
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*/
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private void invokePostResponsePlugins(boolean workflowExecuted)
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{
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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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// Invoke the post response plugins
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if (workflowExecuted)
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{
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// Invoke the post response plugins that have been registered by
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// the workflow elements
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List<LocalBackendDeleteOperation> localOperations =
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(List)getAttachment(Operation.LOCALBACKENDOPERATIONS);
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if (localOperations != null)
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{
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for (LocalBackendDeleteOperation localOperation : localOperations)
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{
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pluginConfigManager.invokePostResponseDeletePlugins(localOperation);
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}
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}
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}
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else
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{
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// Invoke the post response plugins that have been registered with
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// the current operation
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pluginConfigManager.invokePostResponseDeletePlugins(this);
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}
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}
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/**
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* Updates the error message and the result code of the operation.
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*
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* This method is called because no workflows were found to process
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* the operation.
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*/
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private void updateOperationErrMsgAndResCode()
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{
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setResultCode(ResultCode.NO_SUCH_OBJECT);
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appendErrorMessage(ERR_DELETE_NO_SUCH_ENTRY.get(
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String.valueOf(getEntryDN())));
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}
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/**
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* {@inheritDoc}
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*
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* This method always returns null.
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*/
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@Override
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public Entry getEntryToDelete() {
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return null;
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}
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}
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