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/*
* Copyright 2008-2023 Ping Identity Corporation
* All Rights Reserved.
*/
/*
* Copyright 2008-2023 Ping Identity Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Copyright (C) 2008-2023 Ping Identity Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License (GPLv2 only)
* or the terms of the GNU Lesser General Public License (LGPLv2.1 only)
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see .
*/
package com.unboundid.ldap.sdk.unboundidds.tools;
import com.unboundid.ldap.sdk.AddRequest;
import com.unboundid.ldap.sdk.Control;
import com.unboundid.ldap.sdk.DeleteRequest;
import com.unboundid.ldap.sdk.DN;
import com.unboundid.ldap.sdk.LDAPConnectionPool;
import com.unboundid.ldap.sdk.LDAPException;
import com.unboundid.ldap.sdk.ModifyDNRequest;
import com.unboundid.ldap.sdk.ModifyRequest;
import com.unboundid.ldap.sdk.unboundidds.controls.UndeleteRequestControl;
import com.unboundid.ldif.LDIFAddChangeRecord;
import com.unboundid.ldif.LDIFChangeRecord;
import com.unboundid.ldif.LDIFDeleteChangeRecord;
import com.unboundid.ldif.LDIFModifyChangeRecord;
import com.unboundid.ldif.LDIFModifyDNChangeRecord;
import com.unboundid.util.Debug;
import com.unboundid.util.FixedRateBarrier;
import com.unboundid.util.NotNull;
import com.unboundid.util.Nullable;
/**
* This class implements a thread that may be used to process operations in
* a directory server. It will have its own connection to the Directory Server
* and will loop, reading and applying changes until no more are available.
*
*
* NOTE: This class, and other classes within the
* {@code com.unboundid.ldap.sdk.unboundidds} package structure, are only
* supported for use against Ping Identity, UnboundID, and
* Nokia/Alcatel-Lucent 8661 server products. These classes provide support
* for proprietary functionality or for external specifications that are not
* considered stable or mature enough to be guaranteed to work in an
* interoperable way with other types of LDAP servers.
*
*/
final class ParallelUpdateOperationThread
extends Thread
{
/**
* The name of the attribute type that may be included in an add request that
* represents an undelete to indicate the DN of the soft-deleted entry that
* should be resurrected.
*/
@NotNull private static final String ATTR_UNDELETE_FROM_DN =
"ds-undelete-from-dn";
// Indicates whether to allow add operations to be treated as undeletes.
private final boolean allowUndelete;
// The set of controls to include in all add requests.
@NotNull private final Control[] addControls;
// The set of controls to include in all delete requests.
@NotNull private final Control[] deleteControls;
// The set of controls to include in all modify requests.
@NotNull private final Control[] modifyControls;
// The set of controls to include in all modify DN requests.
@NotNull private final Control[] modifyDNControls;
// A rate limiter that will be used to control the rate at which operations
// are attempted.
@Nullable private final FixedRateBarrier rateLimiter;
// The LDAP connection pool to use to communicate with the server.
@NotNull private final LDAPConnectionPool connectionPool;
// The operation queue used to retrieve the changes to process.
@NotNull private final ParallelUpdateOperationQueue opQueue;
// The parallel update tool instance with which this thread is associated.
@NotNull private final ParallelUpdate parallelUpdate;
/**
* Creates a new operation thread with the provided information.
*
* @param parallelUpdate The parallel update program with which this
* thread is associated.
* @param connectionPool The connection pool to use to communicate with
* the server.
* @param opQueue The operation queue used to retrieve the changes
* to process.
* @param threadNumber The thread number for this thread, to use for
* identification purposes.
* @param rateLimiter A rate limiter that can be used to control the
* rate at which operations are attempted. It may
* be {@code null} if no rate limiting is needed.
* @param addControls The set of controls to include in all add
* requests. It must not be {@code null} but may be
* empty.
* @param deleteControls The set of controls to include in all delete
* requests. It must not be {@code null} but may be
* empty.
* @param modifyControls The set of controls to include in all modify
* requests. It must not be {@code null} but may be
* empty.
* @param modifyDNControls The set of controls to include in all modify DN
* requests. It must not be {@code null} but may be
* empty.
* @param allowUndelete Indicates whether to allow add operations to be
* treated as undeletes.
*/
ParallelUpdateOperationThread(
@NotNull final ParallelUpdate parallelUpdate,
@NotNull final LDAPConnectionPool connectionPool,
@NotNull final ParallelUpdateOperationQueue opQueue,
final int threadNumber,
@Nullable final FixedRateBarrier rateLimiter,
@NotNull final Control[] addControls,
@NotNull final Control[] deleteControls,
@NotNull final Control[] modifyControls,
@NotNull final Control[] modifyDNControls,
final boolean allowUndelete)
{
setName("Parallel Update Operation Thread " + threadNumber);
this.parallelUpdate = parallelUpdate;
this.connectionPool = connectionPool;
this.opQueue = opQueue;
this.rateLimiter = rateLimiter;
this.addControls = addControls;
this.deleteControls = deleteControls;
this.modifyControls = modifyControls;
this.modifyDNControls = modifyDNControls;
this.allowUndelete = allowUndelete;
}
/**
* Operates in a loop, retrieving changes from the operation queue and
* processing them.
*/
@Override()
public void run()
{
LDIFChangeRecord r = opQueue.getChangeRecord();
// Various controls that might be present on the requests.
final Control undeleteRequestControl = new UndeleteRequestControl();
while (r != null)
{
if (rateLimiter != null)
{
rateLimiter.await();
}
DN parsedDN = null;
DN parsedNewDN = null;
final long startTime = System.currentTimeMillis();
try
{
parsedDN = r.getParsedDN();
if (r instanceof LDIFAddChangeRecord)
{
final AddRequest addRequest =
((LDIFAddChangeRecord) r).toAddRequest();
addRequest.addControls(addControls);
if (allowUndelete && addRequest.hasAttribute(ATTR_UNDELETE_FROM_DN))
{
addRequest.addControl(undeleteRequestControl);
}
connectionPool.add(addRequest);
parallelUpdate.opCompletedSuccessfully(r,
(System.currentTimeMillis() - startTime));
}
else if (r instanceof LDIFDeleteChangeRecord)
{
final DeleteRequest deleteRequest =
((LDIFDeleteChangeRecord) r).toDeleteRequest();
deleteRequest.addControls(deleteControls);
connectionPool.delete(deleteRequest);
parallelUpdate.opCompletedSuccessfully(r,
(System.currentTimeMillis() - startTime));
}
else if (r instanceof LDIFModifyChangeRecord)
{
final ModifyRequest modifyRequest =
((LDIFModifyChangeRecord) r).toModifyRequest();
modifyRequest.addControls(modifyControls);
connectionPool.modify(modifyRequest);
parallelUpdate.opCompletedSuccessfully(r,
(System.currentTimeMillis() - startTime));
}
else if (r instanceof LDIFModifyDNChangeRecord)
{
final LDIFModifyDNChangeRecord modifyDNChangeRecord =
(LDIFModifyDNChangeRecord) r;
parsedNewDN = modifyDNChangeRecord.getNewDN();
final ModifyDNRequest modifyDNRequest =
modifyDNChangeRecord.toModifyDNRequest();
modifyDNRequest.addControls(modifyDNControls);
connectionPool.modifyDN(modifyDNRequest);
parallelUpdate.opCompletedSuccessfully(r,
(System.currentTimeMillis() - startTime));
}
else
{
// This should never happen.
r.processChange(connectionPool);
parallelUpdate.opCompletedSuccessfully(r,
(System.currentTimeMillis() - startTime));
}
}
catch (final LDAPException e)
{
Debug.debugException(e);
parallelUpdate.opFailed(r, e,
(System.currentTimeMillis() - startTime));
}
if (parsedNewDN == null)
{
r = opQueue.getChangeRecord(parsedDN);
}
else
{
r = opQueue.getChangeRecord(parsedDN, parsedNewDN);
}
}
}
}
