/*
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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 2006-2010 Sun Microsystems, Inc.
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* Portions Copyright 2013-2015 ForgeRock AS
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*/
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package org.opends.server.tasks;
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import static org.opends.server.config.ConfigConstants.*;
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import static org.opends.server.core.DirectoryServer.*;
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import java.util.List;
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import org.forgerock.i18n.LocalizableMessage;
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import org.forgerock.i18n.LocalizableMessageBuilder;
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import org.forgerock.i18n.slf4j.LocalizedLogger;
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import org.forgerock.opendj.ldap.ResultCode;
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import org.opends.messages.TaskMessages;
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import org.opends.server.backends.task.Task;
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import org.opends.server.backends.task.TaskState;
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import org.opends.server.replication.plugin.LDAPReplicationDomain;
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import org.opends.server.types.Attribute;
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import org.opends.server.types.AttributeType;
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import org.opends.server.types.DN;
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import org.opends.server.types.DirectoryException;
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import org.opends.server.types.Entry;
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/**
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* This class provides an implementation of a Directory Server task that can
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* be used to import data over the replication protocol from another
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* server hosting the same replication domain.
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*/
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public class InitializeTask extends Task
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{
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private static final LocalizedLogger logger = LocalizedLogger.getLoggerForThisClass();
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private String domainString;
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private int source;
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private LDAPReplicationDomain domain;
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private TaskState initState;
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/** The total number of entries expected to be processed when this import will end successfully. */
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private long total;
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/** The number of entries still to be processed for this import to be completed. */
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private long left;
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private LocalizableMessage taskCompletionError;
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/** {@inheritDoc} */
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@Override
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public LocalizableMessage getDisplayName() {
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return TaskMessages.INFO_TASK_INITIALIZE_NAME.get();
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}
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/** {@inheritDoc} */
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@Override public void initializeTask() throws DirectoryException
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{
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if (TaskState.isDone(getTaskState()))
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{
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return;
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}
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// FIXME -- Do we need any special authorization here?
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Entry taskEntry = getTaskEntry();
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AttributeType typeDomainBase = getAttributeTypeOrDefault(ATTR_TASK_INITIALIZE_DOMAIN_DN);
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AttributeType typeSourceScope = getAttributeTypeOrDefault(ATTR_TASK_INITIALIZE_SOURCE);
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List<Attribute> attrList;
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attrList = taskEntry.getAttribute(typeDomainBase);
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domainString = TaskUtils.getSingleValueString(attrList);
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try
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{
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DN dn = DN.valueOf(domainString);
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// We can assume that this is an LDAP replication domain
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domain = LDAPReplicationDomain.retrievesReplicationDomain(dn);
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}
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catch(DirectoryException e)
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{
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LocalizableMessageBuilder mb = new LocalizableMessageBuilder();
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mb.append(TaskMessages.ERR_TASK_INITIALIZE_INVALID_DN.get());
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mb.append(e.getMessage());
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throw new DirectoryException(ResultCode.INVALID_DN_SYNTAX, e);
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}
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attrList = taskEntry.getAttribute(typeSourceScope);
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String sourceString = TaskUtils.getSingleValueString(attrList);
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source = domain.decodeSource(sourceString);
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replaceAttributeValue(ATTR_TASK_INITIALIZE_LEFT, String.valueOf(0));
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replaceAttributeValue(ATTR_TASK_INITIALIZE_DONE, String.valueOf(0));
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}
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/** {@inheritDoc} */
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@Override
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protected TaskState runTask()
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{
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if (logger.isTraceEnabled())
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{
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logger.trace("[IE] InitializeTask is starting on domain: %s from source:%d", domain.getBaseDN(), source);
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}
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initState = getTaskState();
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try
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{
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// launch the import
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domain.initializeFromRemote(source, this);
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synchronized(initState)
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{
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// Waiting for the end of the job
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while (initState == TaskState.RUNNING)
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{
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initState.wait(1000);
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replaceAttributeValue(ATTR_TASK_INITIALIZE_LEFT, String.valueOf(left));
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replaceAttributeValue(ATTR_TASK_INITIALIZE_DONE, String.valueOf(total-left));
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}
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}
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replaceAttributeValue(ATTR_TASK_INITIALIZE_LEFT, String.valueOf(left));
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replaceAttributeValue(ATTR_TASK_INITIALIZE_DONE, String.valueOf(total-left));
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// Error raised at completion time
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if (taskCompletionError != null)
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{
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logger.error(taskCompletionError);
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}
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}
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catch(InterruptedException ie) {}
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catch(DirectoryException de)
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{
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// Error raised at submission time
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logger.error(de.getMessageObject());
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initState = TaskState.STOPPED_BY_ERROR;
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}
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logger.trace("[IE] InitializeTask is ending with state: %s", initState);
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return initState;
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}
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/**
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* Set the state for the current task.
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*
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* @param de When the new state is different from COMPLETED_SUCCESSFULLY
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* this is the exception that contains the cause of the failure.
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*/
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public void updateTaskCompletionState(DirectoryException de)
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{
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initState = TaskState.STOPPED_BY_ERROR;
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try
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{
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if (de == null)
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{
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initState = TaskState.COMPLETED_SUCCESSFULLY;
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}
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else
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{
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taskCompletionError = de.getMessageObject();
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}
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}
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finally
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{
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// Wake up runTask method waiting for completion
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synchronized (initState)
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{
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initState.notify();
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}
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}
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}
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/**
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* Set the total number of entries expected to be imported.
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* @param total The total number of entries.
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*/
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public void setTotal(long total)
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{
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this.total = total;
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}
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/**
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* Set the total number of entries still to be imported.
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* @param left The total number of entries to be imported.
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*/
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public void setLeft(long left)
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{
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this.left = left;
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}
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}
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