xdbm-tools/src/main/java/org/apache/directory/server/core/partition/impl/btree/gui/IndexDialog.java - directory-server - Git at Google

 /*
  *  Licensed to the Apache Software Foundation (ASF) under one
  *  or more contributor license agreements.  See the NOTICE file
  *  distributed with this work for additional information
  *  regarding copyright ownership.  The ASF licenses this file
  *  to you 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.
  *
  */
 package org.apache.directory.server.core.partition.impl.btree.gui;


 import java.awt.Color;
 import java.awt.Font;
 import java.awt.Frame;
 import java.awt.Panel;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;

 import javax.swing.BorderFactory;
 import javax.swing.BoxLayout;
 import javax.swing.ButtonGroup;
 import javax.swing.JButton;
 import javax.swing.JDialog;
 import javax.swing.JLabel;
 import javax.swing.JOptionPane;
 import javax.swing.JPanel;
 import javax.swing.JRadioButton;
 import javax.swing.JScrollPane;
 import javax.swing.JTabbedPane;
 import javax.swing.JTable;
 import javax.swing.JTextArea;
 import javax.swing.JTextField;
 import javax.swing.border.TitledBorder;
 import javax.swing.table.DefaultTableModel;

 import org.apache.commons.lang.exception.ExceptionUtils;
 import org.apache.directory.server.i18n.I18n;
 import org.apache.directory.server.xdbm.IndexEntry;
 import org.apache.directory.server.xdbm.ForwardIndexEntry;
 import org.apache.directory.server.xdbm.Index;
 import org.apache.directory.shared.ldap.cursor.Cursor;
 import org.apache.directory.shared.ldap.NotImplementedException;

 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;


 /**
  * A dialog showing index values.
  *
  * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
  * @version $Rev$
  */
 public class IndexDialog<K, O, ID> extends JDialog
 {
     private static final Logger LOG = LoggerFactory.getLogger( IndexDialog.class );

     private static final long serialVersionUID = 3689917253680445238L;

     public static final String DEFAULT_CURSOR = "Default";
     public static final String EQUALITY_CURSOR = "Equality";
     public static final String GREATER_CURSOR = "Greater";
     public static final String LESS_CURSOR = "Less";
     public static final String REGEX_CURSOR = "Regex";

     private Panel mainPnl = new Panel();
     private JTabbedPane tabbedPane = new JTabbedPane();
     private JPanel listPnl = new JPanel();
     private JPanel cursorPnl = new JPanel();
     private JPanel resultsPnl = new JPanel();
     private JScrollPane jScrollPane2 = new JScrollPane();
     private JTable resultsTbl = new JTable();
     private JPanel buttonPnl = new JPanel();
     private JButton doneBut = new JButton();
     private JLabel jLabel1 = new JLabel();
     private JTextField keyText = new JTextField();
     private JLabel jLabel2 = new JLabel();
     private JButton scanBut = new JButton();

     private Index<K, O, ID> index = null;


     public IndexDialog( Frame parent, boolean modal, Index<K, O, ID> index )
     {
         super( parent, modal );
         this.index = index;
         initGUI();
     }


     public IndexDialog( Index<K, O, ID> index )
     {
         super();
         this.index = index;
         initGUI();
     }


     /**
      * This method is called from within the constructor to initialize the
      * form.
      */
     private void initGUI()
     {
         addWindowListener( new java.awt.event.WindowAdapter()
         {
             public void windowClosing( java.awt.event.WindowEvent evt )
             {
                 closeDialog();
             }
         } );

         pack();
         setTitle( "Index On Attribute '" + index.getAttribute().getName() + "'" );
         setBounds( new java.awt.Rectangle( 0, 0, 512, 471 ) );
         getContentPane().add( mainPnl, java.awt.BorderLayout.CENTER );
         mainPnl.setLayout( new java.awt.BorderLayout() );
         mainPnl.add( tabbedPane, java.awt.BorderLayout.CENTER );
         tabbedPane.add( listPnl, "Listing" );
         listPnl.setLayout( new java.awt.GridBagLayout() );

         RadioButtonListener radioListener = new RadioButtonListener();
         JRadioButton radioDefault = new JRadioButton( DEFAULT_CURSOR );
         radioDefault.setActionCommand( DEFAULT_CURSOR );
         radioDefault.setSelected( true );
         radioDefault.addActionListener( radioListener );

         JRadioButton radioEquality = new JRadioButton( EQUALITY_CURSOR );
         radioEquality.setActionCommand( EQUALITY_CURSOR );
         radioEquality.addActionListener( radioListener );

         JRadioButton radioGreater = new JRadioButton( GREATER_CURSOR );
         radioGreater.setActionCommand( GREATER_CURSOR );
         radioGreater.addActionListener( radioListener );

         JRadioButton radioLess = new JRadioButton( LESS_CURSOR );
         radioLess.setActionCommand( LESS_CURSOR );
         radioLess.addActionListener( radioListener );

         JRadioButton radioRegex = new JRadioButton( REGEX_CURSOR );
         radioRegex.setActionCommand( REGEX_CURSOR );
         radioRegex.addActionListener( radioListener );

         ButtonGroup group = new ButtonGroup();
         group.add( radioDefault );
         group.add( radioEquality );
         group.add( radioGreater );
         group.add( radioLess );
         group.add( radioRegex );

         JPanel radioPanel = new JPanel();
         radioPanel.setLayout( new BoxLayout( radioPanel, BoxLayout.X_AXIS ) );
         radioPanel.add( radioDefault );
         radioPanel.add( radioEquality );
         radioPanel.add( radioGreater );
         radioPanel.add( radioLess );
         radioPanel.add( radioRegex );

         listPnl.add( cursorPnl, new java.awt.GridBagConstraints( 0, 0, 1, 1, 1.0, 0.15,
             java.awt.GridBagConstraints.NORTH, java.awt.GridBagConstraints.BOTH, new java.awt.Insets( 15, 0, 30, 0 ),
             0, 0 ) );
         listPnl.add( resultsPnl, new java.awt.GridBagConstraints( 0, 1, 1, 1, 1.0, 0.8,
             java.awt.GridBagConstraints.CENTER, java.awt.GridBagConstraints.BOTH, new java.awt.Insets( 0, 0, 0, 0 ), 0,
             0 ) );
         listPnl.add( buttonPnl, new java.awt.GridBagConstraints( 0, 2, 1, 1, 1.0, 0.05,
             java.awt.GridBagConstraints.CENTER, java.awt.GridBagConstraints.BOTH, new java.awt.Insets( 0, 0, 0, 0 ), 0,
             0 ) );
         cursorPnl.setLayout( new java.awt.GridBagLayout() );
         cursorPnl.setBorder( javax.swing.BorderFactory.createTitledBorder( javax.swing.BorderFactory.createLineBorder(
             new java.awt.Color( 153, 153, 153 ), 1 ), "Display Cursor Constraints",
             javax.swing.border.TitledBorder.LEADING, javax.swing.border.TitledBorder.TOP, new java.awt.Font(
                 "SansSerif", 0, 14 ), new java.awt.Color( 60, 60, 60 ) ) );
         cursorPnl.add( jLabel1, new java.awt.GridBagConstraints( 0, 1, 1, 1, 0.0, 0.0,
             java.awt.GridBagConstraints.WEST, java.awt.GridBagConstraints.NONE, new java.awt.Insets( 0, 15, 0, 10 ), 0,
             0 ) );
         cursorPnl.add( keyText, new java.awt.GridBagConstraints( 1, 1, 1, 1, 0.4, 0.0,
             java.awt.GridBagConstraints.WEST, java.awt.GridBagConstraints.BOTH, new java.awt.Insets( 5, 5, 5, 236 ), 0,
             0 ) );
         cursorPnl.add( jLabel2, new java.awt.GridBagConstraints( 0, 0, 1, 1, 0.0, 0.0,
             java.awt.GridBagConstraints.WEST, java.awt.GridBagConstraints.NONE, new java.awt.Insets( 0, 15, 0, 10 ), 0,
             0 ) );
         cursorPnl.add( radioPanel,
             new java.awt.GridBagConstraints( 1, 0, 1, 1, 0.4, 0.0, java.awt.GridBagConstraints.WEST,
                 java.awt.GridBagConstraints.NONE, new java.awt.Insets( 5, 5, 5, 0 ), 0, 0 ) );
         resultsPnl.setLayout( new java.awt.BorderLayout() );
         resultsPnl.setBorder( javax.swing.BorderFactory.createTitledBorder( javax.swing.BorderFactory.createLineBorder(
             new java.awt.Color( 153, 153, 153 ), 1 ), "Scan Results", javax.swing.border.TitledBorder.LEADING,
             javax.swing.border.TitledBorder.TOP, new java.awt.Font( "SansSerif", 0, 14 ), new java.awt.Color( 60, 60,
                 60 ) ) );
         resultsPnl.add( jScrollPane2, java.awt.BorderLayout.CENTER );
         jScrollPane2.getViewport().add( resultsTbl );
         buttonPnl.setLayout( new java.awt.FlowLayout( java.awt.FlowLayout.CENTER, 15, 5 ) );
         buttonPnl.add( doneBut );
         buttonPnl.add( scanBut );
         doneBut.setText( "Done" );
         doneBut.addActionListener( new ActionListener()
         {
             public void actionPerformed( ActionEvent e )
             {
                 closeDialog();
             }
         } );

         jLabel1.setText( "Key Constraint:" );
         keyText.setText( "" );
         keyText.setMinimumSize( new java.awt.Dimension( 130, 20 ) );
         keyText.setPreferredSize( new java.awt.Dimension( 130, 20 ) );
         keyText.setMaximumSize( new java.awt.Dimension( 130, 20 ) );
         keyText.setFont( new java.awt.Font( "SansSerif", java.awt.Font.PLAIN, 14 ) );
         keyText.setSize( new java.awt.Dimension( 130, 20 ) );
         jLabel2.setText( "Cursor Type:" );

         scanBut.setText( "Scan" );
         scanBut.addActionListener( new ActionListener()
         {
             public void actionPerformed( ActionEvent e )
             {
                 //noinspection unchecked
                 doScan( ( K ) keyText.getText(), selectedCursorType );
             }
         } );

         doScan( null, DEFAULT_CURSOR );
     }

     private String selectedCursorType = DEFAULT_CURSOR;

     class RadioButtonListener implements ActionListener
     {
         public void actionPerformed( ActionEvent e )
         {
             if ( e.getActionCommand().equals( DEFAULT_CURSOR ) )
             {
                 selectedCursorType = DEFAULT_CURSOR;
             }
             else if ( e.getActionCommand().equals( EQUALITY_CURSOR ) )
             {
                 selectedCursorType = EQUALITY_CURSOR;
             }
             else if ( e.getActionCommand().equals( GREATER_CURSOR ) )
             {
                 selectedCursorType = GREATER_CURSOR;
             }
             else if ( e.getActionCommand().equals( LESS_CURSOR ) )
             {
                 selectedCursorType = LESS_CURSOR;
             }
             else if ( e.getActionCommand().equals( REGEX_CURSOR ) )
             {
                 selectedCursorType = REGEX_CURSOR;
             }
         }
     }


     private void closeDialog()
     {
         setVisible( false );
         dispose();
     }


     public boolean doScan( K key, String scanType )
     {
         if ( key == null && !scanType.equals( DEFAULT_CURSOR ) )
         {
             JOptionPane.showMessageDialog( null, "Cannot use a " + scanType + " scan type with a null key constraint.",
                 "Missing Key Constraint", JOptionPane.ERROR_MESSAGE );
             return false;
         }

         Object[] cols = new Object[2];
         Object[] row;
         cols[0] = "Keys ( Attribute Value )";
         cols[1] = "Values ( Entry Id )";
         DefaultTableModel model = new DefaultTableModel( cols, 0 );
         int count = 0;

         try
         {
             Cursor<IndexEntry<K, O, ID>> list;

             if ( scanType.equals( EQUALITY_CURSOR ) )
             {
                 list = index.forwardCursor( key );
                 list.beforeFirst();
                 while ( list.next() )
                 {
                     IndexEntry<K, O, ID> rec = list.get();
                     row = new Object[2];
                     row[0] = rec.getValue();
                     row[1] = rec.getId();
                     model.addRow( row );
                     count++;
                 }
             }
             else if ( scanType.equals( GREATER_CURSOR ) )
             {
                 list = index.forwardCursor();
                 ForwardIndexEntry<K, O, ID> entry = new ForwardIndexEntry<K, O, ID>();
                 entry.setValue( key );
                 list.before( entry );
                 while ( list.next() )
                 {
                     IndexEntry<K, O, ID> rec = list.get();
                     row = new Object[2];
                     row[0] = rec.getValue();
                     row[1] = rec.getId();
                     model.addRow( row );
                     count++;
                 }
             }
             else if ( scanType.equals( LESS_CURSOR ) )
             {
                 list = index.forwardCursor();
                 ForwardIndexEntry<K, O, ID> entry = new ForwardIndexEntry<K, O, ID>();
                 entry.setValue( key );
                 list.after( entry );
                 while ( list.previous() )
                 {
                     IndexEntry<K, O, ID> rec = list.get();
                     row = new Object[2];
                     row[0] = rec.getValue();
                     row[1] = rec.getId();
                     model.addRow( row );
                     count++;
                 }
             }
             else if ( scanType.equals( REGEX_CURSOR ) )
             {
                 //                Pattern regex = StringTools.getRegex( key );
                 //                int starIndex = key.indexOf( '*' );
                 //
                 //                if ( starIndex > 0 )
                 //                {
                 //                    String prefix = key.substring( 0, starIndex );
                 //
                 //                    if ( log.isDebugEnabled() )
                 //                        log.debug( "Regex prefix = " + prefix );
                 //
                 //                    list = index.listIndices( regex, prefix );
                 //                }
                 //                else
                 //                {
                 //                    list = index.listIndices( regex );
                 //                }
                 throw new NotImplementedException();
             }
             else
             {
                 list = index.forwardCursor();
                 while ( list.next() )
                 {
                     IndexEntry<K, O, ID> rec = list.get();
                     row = new Object[2];
                     row[0] = rec.getValue();
                     row[1] = rec.getId();
                     model.addRow( row );
                     count++;
                 }
             }

             resultsTbl.setModel( model );
             resultsPnl.setBorder( BorderFactory.createTitledBorder( BorderFactory.createLineBorder( new Color( 153,
                 153, 153 ), 1 ), "Scan Results: " + count, TitledBorder.LEADING, TitledBorder.TOP, new Font(
                 "SansSerif", 0, 14 ), new Color( 60, 60, 60 ) ) );

             if ( isVisible() )
             {
                 validate();
             }
         }
         catch ( Exception e )
         {
             String msg = ExceptionUtils.getStackTrace( e );

             if ( msg.length() > 1024 )
             {
                 msg = msg.substring( 0, 1024 ) + "\n. . . TRUNCATED . . .";
             }

             msg = I18n.err( I18n.ERR_183, index.getAttribute(), scanType, key, msg );

             LOG.error( msg, e );
             JTextArea area = new JTextArea();
             area.setText( msg );
             JOptionPane.showMessageDialog( null, area, "Index Scan Error", JOptionPane.ERROR_MESSAGE );
             return false;
         }

         return true;
     }


     public static void show( Index index )
     {
         //noinspection unchecked
         IndexDialog dialog = new IndexDialog( index );
         dialog.setVisible( true );
     }
 }
	/*
	* Licensed to the Apache Software Foundation (ASF) under one
	* or more contributor license agreements. See the NOTICE file
	* distributed with this work for additional information
	* regarding copyright ownership. The ASF licenses this file
	* to you 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.
	*
	*/
	package org.apache.directory.server.core.partition.impl.btree.gui;


	import java.awt.Color;
	import java.awt.Font;
	import java.awt.Frame;
	import java.awt.Panel;
	import java.awt.event.ActionEvent;
	import java.awt.event.ActionListener;

	import javax.swing.BorderFactory;
	import javax.swing.BoxLayout;
	import javax.swing.ButtonGroup;
	import javax.swing.JButton;
	import javax.swing.JDialog;
	import javax.swing.JLabel;
	import javax.swing.JOptionPane;
	import javax.swing.JPanel;
	import javax.swing.JRadioButton;
	import javax.swing.JScrollPane;
	import javax.swing.JTabbedPane;
	import javax.swing.JTable;
	import javax.swing.JTextArea;
	import javax.swing.JTextField;
	import javax.swing.border.TitledBorder;
	import javax.swing.table.DefaultTableModel;

	import org.apache.commons.lang.exception.ExceptionUtils;
	import org.apache.directory.server.i18n.I18n;
	import org.apache.directory.server.xdbm.IndexEntry;
	import org.apache.directory.server.xdbm.ForwardIndexEntry;
	import org.apache.directory.server.xdbm.Index;
	import org.apache.directory.shared.ldap.cursor.Cursor;
	import org.apache.directory.shared.ldap.NotImplementedException;

	import org.slf4j.Logger;
	import org.slf4j.LoggerFactory;


	/**
	* A dialog showing index values.
	*
	* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
	* @version $Rev$
	*/
	public class IndexDialog<K, O, ID> extends JDialog
	{
	private static final Logger LOG = LoggerFactory.getLogger( IndexDialog.class );

	private static final long serialVersionUID = 3689917253680445238L;

	public static final String DEFAULT_CURSOR = "Default";
	public static final String EQUALITY_CURSOR = "Equality";
	public static final String GREATER_CURSOR = "Greater";
	public static final String LESS_CURSOR = "Less";
	public static final String REGEX_CURSOR = "Regex";

	private Panel mainPnl = new Panel();
	private JTabbedPane tabbedPane = new JTabbedPane();
	private JPanel listPnl = new JPanel();
	private JPanel cursorPnl = new JPanel();
	private JPanel resultsPnl = new JPanel();
	private JScrollPane jScrollPane2 = new JScrollPane();
	private JTable resultsTbl = new JTable();
	private JPanel buttonPnl = new JPanel();
	private JButton doneBut = new JButton();
	private JLabel jLabel1 = new JLabel();
	private JTextField keyText = new JTextField();
	private JLabel jLabel2 = new JLabel();
	private JButton scanBut = new JButton();

	private Index<K, O, ID> index = null;


	public IndexDialog( Frame parent, boolean modal, Index<K, O, ID> index )
	{
	super( parent, modal );
	this.index = index;
	initGUI();
	}


	public IndexDialog( Index<K, O, ID> index )
	{
	super();
	this.index = index;
	initGUI();
	}


	/**
	* This method is called from within the constructor to initialize the
	* form.
	*/
	private void initGUI()
	{
	addWindowListener( new java.awt.event.WindowAdapter()
	{
	public void windowClosing( java.awt.event.WindowEvent evt )
	{
	closeDialog();
	}
	} );

	pack();
	setTitle( "Index On Attribute '" + index.getAttribute().getName() + "'" );
	setBounds( new java.awt.Rectangle( 0, 0, 512, 471 ) );
	getContentPane().add( mainPnl, java.awt.BorderLayout.CENTER );
	mainPnl.setLayout( new java.awt.BorderLayout() );
	mainPnl.add( tabbedPane, java.awt.BorderLayout.CENTER );
	tabbedPane.add( listPnl, "Listing" );
	listPnl.setLayout( new java.awt.GridBagLayout() );

	RadioButtonListener radioListener = new RadioButtonListener();
	JRadioButton radioDefault = new JRadioButton( DEFAULT_CURSOR );
	radioDefault.setActionCommand( DEFAULT_CURSOR );
	radioDefault.setSelected( true );
	radioDefault.addActionListener( radioListener );

	JRadioButton radioEquality = new JRadioButton( EQUALITY_CURSOR );
	radioEquality.setActionCommand( EQUALITY_CURSOR );
	radioEquality.addActionListener( radioListener );

	JRadioButton radioGreater = new JRadioButton( GREATER_CURSOR );
	radioGreater.setActionCommand( GREATER_CURSOR );
	radioGreater.addActionListener( radioListener );

	JRadioButton radioLess = new JRadioButton( LESS_CURSOR );
	radioLess.setActionCommand( LESS_CURSOR );
	radioLess.addActionListener( radioListener );

	JRadioButton radioRegex = new JRadioButton( REGEX_CURSOR );
	radioRegex.setActionCommand( REGEX_CURSOR );
	radioRegex.addActionListener( radioListener );

	ButtonGroup group = new ButtonGroup();
	group.add( radioDefault );
	group.add( radioEquality );
	group.add( radioGreater );
	group.add( radioLess );
	group.add( radioRegex );

	JPanel radioPanel = new JPanel();
	radioPanel.setLayout( new BoxLayout( radioPanel, BoxLayout.X_AXIS ) );
	radioPanel.add( radioDefault );
	radioPanel.add( radioEquality );
	radioPanel.add( radioGreater );
	radioPanel.add( radioLess );
	radioPanel.add( radioRegex );

	listPnl.add( cursorPnl, new java.awt.GridBagConstraints( 0, 0, 1, 1, 1.0, 0.15,
	java.awt.GridBagConstraints.NORTH, java.awt.GridBagConstraints.BOTH, new java.awt.Insets( 15, 0, 30, 0 ),
	0, 0 ) );
	listPnl.add( resultsPnl, new java.awt.GridBagConstraints( 0, 1, 1, 1, 1.0, 0.8,
	java.awt.GridBagConstraints.CENTER, java.awt.GridBagConstraints.BOTH, new java.awt.Insets( 0, 0, 0, 0 ), 0,
	0 ) );
	listPnl.add( buttonPnl, new java.awt.GridBagConstraints( 0, 2, 1, 1, 1.0, 0.05,
	java.awt.GridBagConstraints.CENTER, java.awt.GridBagConstraints.BOTH, new java.awt.Insets( 0, 0, 0, 0 ), 0,
	0 ) );
	cursorPnl.setLayout( new java.awt.GridBagLayout() );
	cursorPnl.setBorder( javax.swing.BorderFactory.createTitledBorder( javax.swing.BorderFactory.createLineBorder(
	new java.awt.Color( 153, 153, 153 ), 1 ), "Display Cursor Constraints",
	javax.swing.border.TitledBorder.LEADING, javax.swing.border.TitledBorder.TOP, new java.awt.Font(
	"SansSerif", 0, 14 ), new java.awt.Color( 60, 60, 60 ) ) );
	cursorPnl.add( jLabel1, new java.awt.GridBagConstraints( 0, 1, 1, 1, 0.0, 0.0,
	java.awt.GridBagConstraints.WEST, java.awt.GridBagConstraints.NONE, new java.awt.Insets( 0, 15, 0, 10 ), 0,
	0 ) );
	cursorPnl.add( keyText, new java.awt.GridBagConstraints( 1, 1, 1, 1, 0.4, 0.0,
	java.awt.GridBagConstraints.WEST, java.awt.GridBagConstraints.BOTH, new java.awt.Insets( 5, 5, 5, 236 ), 0,
	0 ) );
	cursorPnl.add( jLabel2, new java.awt.GridBagConstraints( 0, 0, 1, 1, 0.0, 0.0,
	java.awt.GridBagConstraints.WEST, java.awt.GridBagConstraints.NONE, new java.awt.Insets( 0, 15, 0, 10 ), 0,
	0 ) );
	cursorPnl.add( radioPanel,
	new java.awt.GridBagConstraints( 1, 0, 1, 1, 0.4, 0.0, java.awt.GridBagConstraints.WEST,
	java.awt.GridBagConstraints.NONE, new java.awt.Insets( 5, 5, 5, 0 ), 0, 0 ) );
	resultsPnl.setLayout( new java.awt.BorderLayout() );
	resultsPnl.setBorder( javax.swing.BorderFactory.createTitledBorder( javax.swing.BorderFactory.createLineBorder(
	new java.awt.Color( 153, 153, 153 ), 1 ), "Scan Results", javax.swing.border.TitledBorder.LEADING,
	javax.swing.border.TitledBorder.TOP, new java.awt.Font( "SansSerif", 0, 14 ), new java.awt.Color( 60, 60,
	60 ) ) );
	resultsPnl.add( jScrollPane2, java.awt.BorderLayout.CENTER );
	jScrollPane2.getViewport().add( resultsTbl );
	buttonPnl.setLayout( new java.awt.FlowLayout( java.awt.FlowLayout.CENTER, 15, 5 ) );
	buttonPnl.add( doneBut );
	buttonPnl.add( scanBut );
	doneBut.setText( "Done" );
	doneBut.addActionListener( new ActionListener()
	{
	public void actionPerformed( ActionEvent e )
	{
	closeDialog();
	}
	} );

	jLabel1.setText( "Key Constraint:" );
	keyText.setText( "" );
	keyText.setMinimumSize( new java.awt.Dimension( 130, 20 ) );
	keyText.setPreferredSize( new java.awt.Dimension( 130, 20 ) );
	keyText.setMaximumSize( new java.awt.Dimension( 130, 20 ) );
	keyText.setFont( new java.awt.Font( "SansSerif", java.awt.Font.PLAIN, 14 ) );
	keyText.setSize( new java.awt.Dimension( 130, 20 ) );
	jLabel2.setText( "Cursor Type:" );

	scanBut.setText( "Scan" );
	scanBut.addActionListener( new ActionListener()
	{
	public void actionPerformed( ActionEvent e )
	{
	//noinspection unchecked
	doScan( ( K ) keyText.getText(), selectedCursorType );
	}
	} );

	doScan( null, DEFAULT_CURSOR );
	}

	private String selectedCursorType = DEFAULT_CURSOR;

	class RadioButtonListener implements ActionListener
	{
	public void actionPerformed( ActionEvent e )
	{
	if ( e.getActionCommand().equals( DEFAULT_CURSOR ) )
	{
	selectedCursorType = DEFAULT_CURSOR;
	}
	else if ( e.getActionCommand().equals( EQUALITY_CURSOR ) )
	{
	selectedCursorType = EQUALITY_CURSOR;
	}
	else if ( e.getActionCommand().equals( GREATER_CURSOR ) )
	{
	selectedCursorType = GREATER_CURSOR;
	}
	else if ( e.getActionCommand().equals( LESS_CURSOR ) )
	{
	selectedCursorType = LESS_CURSOR;
	}
	else if ( e.getActionCommand().equals( REGEX_CURSOR ) )
	{
	selectedCursorType = REGEX_CURSOR;
	}
	}
	}


	private void closeDialog()
	{
	setVisible( false );
	dispose();
	}


	public boolean doScan( K key, String scanType )
	{
	if ( key == null && !scanType.equals( DEFAULT_CURSOR ) )
	{
	JOptionPane.showMessageDialog( null, "Cannot use a " + scanType + " scan type with a null key constraint.",
	"Missing Key Constraint", JOptionPane.ERROR_MESSAGE );
	return false;
	}

	Object[] cols = new Object[2];
	Object[] row;
	cols[0] = "Keys ( Attribute Value )";
	cols[1] = "Values ( Entry Id )";
	DefaultTableModel model = new DefaultTableModel( cols, 0 );
	int count = 0;

	try
	{
	Cursor<IndexEntry<K, O, ID>> list;

	if ( scanType.equals( EQUALITY_CURSOR ) )
	{
	list = index.forwardCursor( key );
	list.beforeFirst();
	while ( list.next() )
	{
	IndexEntry<K, O, ID> rec = list.get();
	row = new Object[2];
	row[0] = rec.getValue();
	row[1] = rec.getId();
	model.addRow( row );
	count++;
	}
	}
	else if ( scanType.equals( GREATER_CURSOR ) )
	{
	list = index.forwardCursor();
	ForwardIndexEntry<K, O, ID> entry = new ForwardIndexEntry<K, O, ID>();
	entry.setValue( key );
	list.before( entry );
	while ( list.next() )
	{
	IndexEntry<K, O, ID> rec = list.get();
	row = new Object[2];
	row[0] = rec.getValue();
	row[1] = rec.getId();
	model.addRow( row );
	count++;
	}
	}
	else if ( scanType.equals( LESS_CURSOR ) )
	{
	list = index.forwardCursor();
	ForwardIndexEntry<K, O, ID> entry = new ForwardIndexEntry<K, O, ID>();
	entry.setValue( key );
	list.after( entry );
	while ( list.previous() )
	{
	IndexEntry<K, O, ID> rec = list.get();
	row = new Object[2];
	row[0] = rec.getValue();
	row[1] = rec.getId();
	model.addRow( row );
	count++;
	}
	}
	else if ( scanType.equals( REGEX_CURSOR ) )
	{
	// Pattern regex = StringTools.getRegex( key );
	// int starIndex = key.indexOf( '*' );
	//
	// if ( starIndex > 0 )
	// {
	// String prefix = key.substring( 0, starIndex );
	//
	// if ( log.isDebugEnabled() )
	// log.debug( "Regex prefix = " + prefix );
	//
	// list = index.listIndices( regex, prefix );
	// }
	// else
	// {
	// list = index.listIndices( regex );
	// }
	throw new NotImplementedException();
	}
	else
	{
	list = index.forwardCursor();
	while ( list.next() )
	{
	IndexEntry<K, O, ID> rec = list.get();
	row = new Object[2];
	row[0] = rec.getValue();
	row[1] = rec.getId();
	model.addRow( row );
	count++;
	}
	}

	resultsTbl.setModel( model );
	resultsPnl.setBorder( BorderFactory.createTitledBorder( BorderFactory.createLineBorder( new Color( 153,
	153, 153 ), 1 ), "Scan Results: " + count, TitledBorder.LEADING, TitledBorder.TOP, new Font(
	"SansSerif", 0, 14 ), new Color( 60, 60, 60 ) ) );

	if ( isVisible() )
	{
	validate();
	}
	}
	catch ( Exception e )
	{
	String msg = ExceptionUtils.getStackTrace( e );

	if ( msg.length() > 1024 )
	{
	msg = msg.substring( 0, 1024 ) + "\n. . . TRUNCATED . . .";
	}

	msg = I18n.err( I18n.ERR_183, index.getAttribute(), scanType, key, msg );

	LOG.error( msg, e );
	JTextArea area = new JTextArea();
	area.setText( msg );
	JOptionPane.showMessageDialog( null, area, "Index Scan Error", JOptionPane.ERROR_MESSAGE );
	return false;
	}

	return true;
	}


	public static void show( Index index )
	{
	//noinspection unchecked
	IndexDialog dialog = new IndexDialog( index );
	dialog.setVisible( true );
	}
	}