/*
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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 2008-2009 Sun Microsystems, Inc.
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* Portions Copyright 2014-2015 ForgeRock AS
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*/
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package org.opends.guitools.controlpanel.task;
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import static org.opends.guitools.controlpanel.util.Utilities.*;
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import static org.opends.messages.AdminToolMessages.*;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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import java.util.TreeSet;
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import javax.naming.ldap.InitialLdapContext;
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import javax.swing.SwingUtilities;
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import org.forgerock.i18n.LocalizableMessage;
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import org.opends.guitools.controlpanel.datamodel.AbstractIndexDescriptor;
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import org.opends.guitools.controlpanel.datamodel.ControlPanelInfo;
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import org.opends.guitools.controlpanel.datamodel.VLVIndexDescriptor;
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import org.opends.guitools.controlpanel.ui.ColorAndFontConstants;
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import org.opends.guitools.controlpanel.ui.ProgressDialog;
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import org.opends.guitools.controlpanel.util.ConfigReader;
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import org.opends.guitools.controlpanel.util.Utilities;
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import org.opends.server.admin.client.ManagementContext;
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import org.opends.server.admin.client.ldap.JNDIDirContextAdaptor;
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import org.opends.server.admin.client.ldap.LDAPManagementContext;
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import org.opends.server.admin.std.client.BackendCfgClient;
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import org.opends.server.admin.std.client.PluggableBackendCfgClient;
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import org.opends.server.admin.std.client.RootCfgClient;
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import org.opends.server.core.DirectoryServer;
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import org.opends.server.types.DN;
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import org.opends.server.types.OpenDsException;
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/**
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* The task that is launched when an index must be deleted.
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*/
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public class DeleteIndexTask extends Task
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{
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private final Set<String> backendSet;
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private final List<AbstractIndexDescriptor> indexesToDelete = new ArrayList<>();
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private final List<AbstractIndexDescriptor> deletedIndexes = new ArrayList<>();
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/**
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* Constructor of the task.
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*
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* @param info
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* the control panel information.
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* @param dlg
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* the progress dialog where the task progress will be displayed.
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* @param indexesToDelete
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* the indexes that must be deleted.
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*/
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public DeleteIndexTask(ControlPanelInfo info, ProgressDialog dlg, List<AbstractIndexDescriptor> indexesToDelete)
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{
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super(info, dlg);
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backendSet = new HashSet<>();
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for (final AbstractIndexDescriptor index : indexesToDelete)
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{
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backendSet.add(index.getBackend().getBackendID());
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}
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this.indexesToDelete.addAll(indexesToDelete);
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}
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@Override
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public Type getType()
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{
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return Type.DELETE_INDEX;
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}
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@Override
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public Set<String> getBackends()
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{
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return backendSet;
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}
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@Override
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public LocalizableMessage getTaskDescription()
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{
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if (backendSet.size() == 1)
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{
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return INFO_CTRL_PANEL_DELETE_INDEX_TASK_DESCRIPTION.get(getStringFromCollection(backendSet, ", "));
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}
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else
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{
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return INFO_CTRL_PANEL_DELETE_INDEX_IN_BACKENDS_TASK_DESCRIPTION.get(getStringFromCollection(backendSet, ", "));
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}
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}
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@Override
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public boolean canLaunch(Task taskToBeLaunched, Collection<LocalizableMessage> incompatibilityReasons)
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{
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boolean canLaunch = true;
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if (state == State.RUNNING && runningOnSameServer(taskToBeLaunched))
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{
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// All the operations are incompatible if they apply to this
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// backend for safety. This is a short operation so the limitation
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// has not a lot of impact.
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final Set<String> backends = new TreeSet<>(taskToBeLaunched.getBackends());
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backends.retainAll(getBackends());
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if (!backends.isEmpty())
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{
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incompatibilityReasons.add(getIncompatibilityMessage(this, taskToBeLaunched));
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canLaunch = false;
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}
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}
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return canLaunch;
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}
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/**
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* Update the configuration in the server.
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*
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* @throws OpenDsException
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* if an error occurs.
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*/
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private void updateConfiguration() throws OpenDsException
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{
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boolean configHandlerUpdated = false;
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final int totalNumber = indexesToDelete.size();
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int numberDeleted = 0;
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try
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{
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if (!isServerRunning())
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{
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configHandlerUpdated = true;
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getInfo().stopPooling();
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if (getInfo().mustDeregisterConfig())
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{
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DirectoryServer.deregisterBaseDN(DN.valueOf("cn=config"));
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}
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DirectoryServer.getInstance().initializeConfiguration(
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org.opends.server.extensions.ConfigFileHandler.class.getName(), ConfigReader.configFile);
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getInfo().setMustDeregisterConfig(true);
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}
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boolean isFirst = true;
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for (final AbstractIndexDescriptor index : indexesToDelete)
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{
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if (!isFirst)
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{
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SwingUtilities.invokeLater(new Runnable()
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{
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@Override
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public void run()
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{
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getProgressDialog().appendProgressHtml("<br><br>");
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}
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});
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}
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isFirst = false;
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if (isServerRunning())
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{
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SwingUtilities.invokeLater(new Runnable()
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{
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@Override
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public void run()
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{
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final List<String> args = getObfuscatedCommandLineArguments(getDSConfigCommandLineArguments(index));
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args.removeAll(getConfigCommandLineArguments());
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printEquivalentCommandLine(getConfigCommandLineName(index), args,
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INFO_CTRL_PANEL_EQUIVALENT_CMD_TO_DELETE_INDEX.get());
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}
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});
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}
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SwingUtilities.invokeLater(new Runnable()
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{
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@Override
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public void run()
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{
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if (isVLVIndex(index))
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{
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getProgressDialog().appendProgressHtml(
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Utilities.getProgressWithPoints(INFO_CTRL_PANEL_DELETING_VLV_INDEX.get(index.getName()),
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ColorAndFontConstants.progressFont));
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}
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else
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{
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getProgressDialog().appendProgressHtml(
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Utilities.getProgressWithPoints(INFO_CTRL_PANEL_DELETING_INDEX.get(index.getName()),
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ColorAndFontConstants.progressFont));
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}
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}
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});
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if (isServerRunning())
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{
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deleteIndex(getInfo().getDirContext(), index);
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}
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else
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{
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deleteIndex(index);
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}
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numberDeleted++;
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final int fNumberDeleted = numberDeleted;
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SwingUtilities.invokeLater(new Runnable()
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{
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@Override
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public void run()
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{
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getProgressDialog().getProgressBar().setIndeterminate(false);
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getProgressDialog().getProgressBar().setValue((fNumberDeleted * 100) / totalNumber);
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getProgressDialog().appendProgressHtml(Utilities.getProgressDone(ColorAndFontConstants.progressFont));
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}
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});
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deletedIndexes.add(index);
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}
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}
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finally
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{
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if (configHandlerUpdated)
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{
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DirectoryServer.getInstance().initializeConfiguration(ConfigReader.configClassName, ConfigReader.configFile);
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getInfo().startPooling();
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}
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}
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}
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/**
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* Returns <CODE>true</CODE> if the index is a VLV index and
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* <CODE>false</CODE> otherwise.
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*
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* @param index
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* the index.
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* @return <CODE>true</CODE> if the index is a VLV index and
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* <CODE>false</CODE> otherwise.
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*/
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private boolean isVLVIndex(AbstractIndexDescriptor index)
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{
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return index instanceof VLVIndexDescriptor;
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}
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/**
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* Deletes an index. The code assumes that the server is not running and that
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* the configuration file can be edited.
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*
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* @param index
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* the index to be deleted.
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* @throws OpenDsException
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* if an error occurs.
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*/
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private void deleteIndex(AbstractIndexDescriptor index) throws OpenDsException
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{
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final String backendId = Utilities.getRDNString("ds-cfg-backend-id", index.getBackend().getBackendID());
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String dn;
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if (isVLVIndex(index))
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{
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dn = getRDNString("ds-cfg-name", index.getName()) + ",cn=VLV Index," + backendId + ",cn=Backends,cn=config";
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}
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else
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{
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dn = getRDNString("ds-cfg-attribute", index.getName()) + ",cn=Index," + backendId + ",cn=Backends,cn=config";
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}
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DirectoryServer.getConfigHandler().deleteEntry(DN.valueOf(dn), null);
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}
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/**
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* Deletes an index. The code assumes that the server is running and that the
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* provided connection is active.
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*
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* @param index
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* the index to be deleted.
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* @param ctx
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* the connection to the server.
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* @throws OpenDsException
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* if an error occurs.
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*/
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private void deleteIndex(final InitialLdapContext ctx, final AbstractIndexDescriptor index) throws OpenDsException
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{
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final ManagementContext mCtx = LDAPManagementContext.createFromContext(JNDIDirContextAdaptor.adapt(ctx));
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final RootCfgClient root = mCtx.getRootConfiguration();
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final BackendCfgClient backend = root.getBackend(index.getBackend().getBackendID());
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removeBackendIndex((PluggableBackendCfgClient) backend, index);
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backend.commit();
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}
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private void removeBackendIndex(final PluggableBackendCfgClient backend, final AbstractIndexDescriptor index)
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throws OpenDsException
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{
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final String indexName = index.getName();
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if (isVLVIndex(index))
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{
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backend.removeBackendVLVIndex(indexName);
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}
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else
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{
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backend.removeBackendIndex(indexName);
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}
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}
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@Override
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protected String getCommandLinePath()
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{
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return null;
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}
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@Override
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protected ArrayList<String> getCommandLineArguments()
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{
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return new ArrayList<>();
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}
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/**
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* Returns the path of the command line to be used to delete the specified
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* index.
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*
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* @param index
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* the index to be deleted.
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* @return the path of the command line to be used to delete the specified
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* index.
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*/
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private String getConfigCommandLineName(AbstractIndexDescriptor index)
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{
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if (isServerRunning())
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{
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return getCommandLinePath("dsconfig");
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}
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else
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{
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return null;
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}
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}
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@Override
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public void runTask()
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{
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state = State.RUNNING;
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lastException = null;
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try
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{
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updateConfiguration();
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state = State.FINISHED_SUCCESSFULLY;
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}
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catch (final Throwable t)
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{
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lastException = t;
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state = State.FINISHED_WITH_ERROR;
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}
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finally
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{
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for (final AbstractIndexDescriptor index : deletedIndexes)
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{
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getInfo().unregisterModifiedIndex(index);
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}
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}
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}
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/**
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* Return the dsconfig arguments required to delete an index.
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*
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* @param index
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* the index to be deleted.
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* @return the dsconfig arguments required to delete an index.
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*/
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private List<String> getDSConfigCommandLineArguments(AbstractIndexDescriptor index)
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{
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final List<String> args = new ArrayList<>();
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if (isVLVIndex(index))
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{
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args.add("delete-backend-vlv-index");
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}
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else
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{
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args.add("delete-backend-index");
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}
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args.add("--backend-name");
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args.add(index.getBackend().getBackendID());
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args.add("--index-name");
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args.add(index.getName());
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args.addAll(getConnectionCommandLineArguments());
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args.add("--no-prompt");
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args.add(getNoPropertiesFileArgument());
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return args;
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}
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}
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