too many threads

How can I unsubscribe from a thread

on the side right of the screen (under actions), click on "Stop email notifications".

You can do it for each thread, or if you return to the previous screen, you can set that in the world (under notifications, no actions).

Tags: Adobe

Similar Questions

  • Thread length of queue count in negative and too many Thread waiting

    We use Weblogic server 9.2.2 with 1 admin server and managed server 4. Currently, in one of the servers, I saw that there is about 77 waiting threads.


    Home > summary of the servers > server1 > surveillance > discussions > autoréglant Thread Pool

    I could see that the "length of the queue' is negative (-138) and auto tuning sleep thread count is 77. Large number of threads WAITING thread persists during the busy time of the times while other servers is fully used.


    Is it normal to have the length of the queue that is negative and so many threads on HOLD? With regard to the JMS queue negative oracle had already recognized this is a bug. Thank you.

    Published by: 855849 on May 1st, 2011 07:19

    Published by: SilverHawk may 12, 2011 08:12

    Is it normal to have the length of the queue that is negative

    No, it is not normal. Looks like probably a bug

  • Too many Threads exception

    Hello everyone, hope you can help me in this question since I'm having a time really bad when using threads on my request. Basically, I am during the extraction of data from the internet using Basic authentication Http. for this, I created a style waiting screen that will show while downloading data from the Internet... all right, but when you make a reminder for updating an ObjectListField with the results of the operation (public void didReceivedResponse (byte [] data) on the example)... my code starts fadlng son as it is inside a loop for... I really have no idea what's going on... even on eclipse in debugging it continues execution of the run method of the HttpHelper class. These are the classes that I am referring:

    package login.example;
    
    import java.util.Vector;
    
    import login.example.model.Noticias;
    import login.example.networking.HttpHelper;
    import login.gui.WaitScreen;
    import net.rim.device.api.ui.Field;
    import net.rim.device.api.ui.FieldChangeListener;
    import net.rim.device.api.ui.UiApplication;
    import net.rim.device.api.ui.component.ButtonField;
    import net.rim.device.api.ui.component.LabelField;
    import net.rim.device.api.ui.component.ObjectListField;
    import net.rim.device.api.ui.component.SeparatorField;
    import net.rim.device.api.ui.container.MainScreen;
    
    import com.kruger.exceptions.ParserException;
    import com.kruger.networking.interfaces.HttpDelegate;
    import com.kruger.parsing.NoticiasJsonParser;
    
    /**
     * A class extending the MainScreen class, which provides default standard
     * behavior for BlackBerry GUI applications.
     */
    public final class LoginExampleScreen extends MainScreen implements
            FieldChangeListener, HttpDelegate {
        /**
         * Creates a new MyScreen object
         */
    
        ObjectListField objectField;
        WaitScreen waitScreen;
        ButtonField loginButton;
        Vector listaNoticias;
    
        public LoginExampleScreen() {
            // Set the displayed title of the screen
            setTitle("MyTitle");
    
            loginButton = new ButtonField("Start");
            loginButton.setChangeListener(this);
            add(loginButton);
            add(new SeparatorField());
            add(new LabelField("Noticias"));
            objectField = new ObjectListField(){
    
                protected boolean navigationClick(int status, int time) {
                    if(objectField.getSize()==0) return true;
                    Noticias noticiaSeleccionada = (Noticias) objectField.get(objectField, objectField.getSelectedIndex());
                    UiApplication.getUiApplication().pushScreen(new DetailScreen(noticiaSeleccionada));
                    return true;
    
                }
    
            };
            objectField.setEmptyString("No se han encontrado resultados",
                    LabelField.VCENTER);
            objectField.setChangeListener(this);
            add(objectField);
    
        }
    
        public void didReceivedResponse(byte[] data) {
            if (data != null) {
                waitScreen.hideScreen();
                NoticiasJsonParser noticiasParser = new NoticiasJsonParser();
                    try {
                        noticiasParser.initialize(data);
                        Vector noticias = noticiasParser.readObjects();
                        listaNoticias=noticias;
                        UiApplication.getUiApplication().invokeLater(new Runnable() {
    
                            public void run() {
                                updateNoticiasList();
    
                            }
                        });
    
                    } catch (ParserException e) {
    
                        e.printStackTrace();
                    }
    
            }
    
        }
    
        private void updateNoticiasList(){
    
            Object[] noticiasList = new Object[listaNoticias.size()];
            listaNoticias.copyInto(noticiasList);
            objectField.set(noticiasList);
        }
    
        public void didReceiveUnauthorizedResponse() {
            waitScreen.hideScreen();
            UiApplication.getUiApplication().invokeLater(new Runnable() {
                public void run() {
                    UiApplication.getUiApplication().pushScreen(new LoginScreen());
                }
            });
    
        }
    
        public void fieldChanged(Field field, int context) {
                waitScreen = new WaitScreen();
                HttpHelper helper = new HttpHelper(
                        "http://localhost:8088/simple-login/rest/noticias", null,
                        this);
                helper.setOperation(HttpHelper.GET);
                helper.start();
    
        }
    }
    
    package login.example.networking;
    
    import java.io.DataInputStream;
    import java.io.IOException;
    
    import javax.microedition.io.HttpConnection;
    
    import login.example.ApplicationPreferences;
    import net.rim.device.api.io.Base64OutputStream;
    import net.rim.device.api.io.transport.ConnectionDescriptor;
    import net.rim.device.api.io.transport.ConnectionFactory;
    import net.rim.device.api.system.DeviceInfo;
    import net.rim.device.api.util.ByteVector;
    
    import com.kruger.networking.interfaces.HttpDelegate;
    
    public class HttpHelper extends Thread {
    
        private byte[] postData;
        private String url;
        private String operation;
        private HttpDelegate delegate;
        private HttpConnection connection;
    
        public static final String GET = "GET";
        public static final String POST = "POST";
        private ConnectionFactory connectionFactory = new ConnectionFactory();
    
        public HttpHelper(String url, byte[] postData, HttpDelegate delegate) {
            this.url = url;
            this.postData = postData;
            this.delegate = delegate;
        }
    
        public HttpHelper(String url, byte[] postData, HttpDelegate delegate,
                String operation) {
            this.url = url;
            this.postData = postData;
            this.delegate = delegate;
            this.operation = operation;
        }
    
        public void run() {
            if (operation == null)
                delegate.didReceivedResponse(null);
            if (operation == GET) {
                ConnectionDescriptor connectionDescriptor = connectionFactory
                        .getConnection(url);
                DataInputStream din = null;
                final ByteVector responseBytes = new ByteVector();
                int responseCode;
                connection = (HttpConnection) connectionDescriptor.getConnection();
                String loginInfo = ApplicationPreferences.getInstance().getUsername()+":"+ApplicationPreferences.getInstance().getPassword();
                String encodedLogin;
                try {
                    encodedLogin = new String(Base64OutputStream.encode(
                            loginInfo.getBytes(), 0, loginInfo.length(), false,
                            false), "UTF-8");
                    connection.setRequestProperty("Authorization", "Basic "
                            + encodedLogin);
                    //Send the Device PIN number
                    connection.setRequestProperty("DeviceId", String.valueOf(DeviceInfo.getDeviceId()));
                    responseCode = connection.getResponseCode();
                    switch (responseCode) {
                        case HttpConnection.HTTP_UNAUTHORIZED:
                        case HttpConnection.HTTP_FORBIDDEN: {
                            Thread delegateThread=new Thread(){
                                public void run(){
                                    delegate.didReceiveUnauthorizedResponse();
                                }
                            };
                            delegateThread.start();
                            connection.close();
                            return;
                        }
                    }
                    din = connection.openDataInputStream();
                    int i = din.read();
                    while (-1 != i) {
                        responseBytes.addElement((byte) i);
                        i = din.read();
                    }
                } catch (IOException e) {
                    System.out.println(e.getMessage());
                    e.printStackTrace();
                    return;
                } finally {
                    try {
                        connection.close();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
                if (responseBytes != null && responseCode != 0) {
                    Thread delegateThread=new Thread(){
                        public void run(){
                            delegate.didReceivedResponse(responseBytes.toArray());
                        }
                    };
                    delegateThread.start();
                    return;
    
                }
            } else if (operation == POST) {
                return;
            }
        }
    
        public String getOperation() {
            return operation;
        }
    
        public void setOperation(String operation) {
            this.operation = operation;
        }
    
    }
    
    package login.gui;
    
    import net.rim.device.api.system.Bitmap;
    import net.rim.device.api.system.Display;
    import net.rim.device.api.system.GIFEncodedImage;
    import net.rim.device.api.ui.Field;
    import net.rim.device.api.ui.Graphics;
    import net.rim.device.api.ui.UiApplication;
    import net.rim.device.api.ui.container.FullScreen;
    import net.rim.device.api.ui.container.VerticalFieldManager;
    
    public class WaitScreen extends FullScreen {
    
        private GIFEncodedImage _image;
        private int _currentFrame;
        private int _width, _height, _xPos, _yPos;
        private AnimatorThread _animatorThread;
        private Bitmap backgroundBitmap;
    
        public WaitScreen() {
            super(new VerticalFieldManager(), Field.NON_FOCUSABLE);
            //TODO: Correctly handle icons
            GIFEncodedImage img = (GIFEncodedImage) GIFEncodedImage.getEncodedImageResource("loading6.agif");
    
            // Store the image and it's dimensions.
            _image = img;
            _width = img.getWidth();
            _height = img.getHeight();
            _xPos = ((Display.getWidth() - _width) >> 1);
            _yPos = ((Display.getHeight() - _height) >> 1)+50;
            // Start the animation thread.
            _animatorThread = new AnimatorThread(this);
            _animatorThread.start();
            UiApplication.getUiApplication().pushScreen(WaitScreen.this);
            //TODO: handle correctly background
            backgroundBitmap=Bitmap.getBitmapResource("Wallpaper1.png");
          }
    
        protected void paintBackground(Graphics graphics) {
            super.paintBackground(graphics);
            graphics.drawBitmap(0, 0, backgroundBitmap.getWidth(), backgroundBitmap.getHeight(), backgroundBitmap, 0, 0);
        }
    
        protected void paint(Graphics graphics) {
            super.paint(graphics);
                    // Draw the animation frame.
                    graphics
                      .drawImage(_xPos, _yPos, _image
                        .getFrameWidth(_currentFrame), _image
                          .getFrameHeight(_currentFrame), _image,
                        _currentFrame, 0, 0);
        }
    
        protected void onUndisplay() {
            _animatorThread.stop();
        }
    
        private class AnimatorThread extends Thread {
            private WaitScreen _theField;
            private boolean _keepGoing = true;
            private int _totalFrames, _loopCount, _totalLoops;
            public AnimatorThread(WaitScreen _theScreen) {
                    _theField = _theScreen;
                    _totalFrames = _image.getFrameCount();
                    _totalLoops = _image.getIterations();
    
            }
    
            public synchronized void stop() {
                    _keepGoing = false;
            }
    
            public void run() {
                    while (_keepGoing) {
                            // Invalidate the field so that it is redrawn.
                            UiApplication.getUiApplication().invokeAndWait(
                              new Runnable() {
                                    public void run() {
                                            _theField.invalidate();
                                    }
                            });
                            try {
                              // Sleep for the current frame delay before
                              // the next frame is drawn.
                              sleep(_image.getFrameDelay(_currentFrame) * 10);
                            } catch (InterruptedException iex) {
                            } // Couldn't sleep.
                            // Increment the frame.
                            ++_currentFrame;
                            if (_currentFrame == _totalFrames) {
                              // Reset back to frame 0
                              // if we have reached the end.
                              _currentFrame = 0;
                              ++_loopCount;
                              // Check if the animation should continue.
    
                            }
                    }
            }
    
        }
    
        public void hideScreen(){
            _animatorThread.stop();
            UiApplication.getUiApplication().invokeAndWait(new Runnable() {
    
                public void run() {
                    UiApplication.getUiApplication().popScreen(WaitScreen.this);
    
                }
            });
        }
    }
    

    Please any help would be great... or at least an explanation of what I'm doing wrong... I'm new to using Threads. Thank you very much.

    Note that the fieldchanged event is triggered not only by the user, but also by changes programmatically, for example when you add an item to a listfield.
    You can check the context to be! = http://www.blackberry.com/developers/docs/7.1.0api/net/rim/device/api/ui/FieldChangeListener.html#PR... to filter them.

  • Is consolidation of threads is the solution to "too many Threads Exception"?

    Hi all

    In my application, I use threads, but increases the number of threads for each application.

    Now the Group of threads can solve this problem.

    And in my application, there is no need to live the thread for a long time, but even if I thread the thread count does not decrease.

    Thanks in advance.

    The code shown:

    "synchronized (UiApplication.getEventLock ()) {}".

    UiApplication.getUiApplication () .pushScreen (screen);

    Tools.Print ("Thread Count:" + Thread.activeCount ());

    }"

    Does not use a modal help, so I think it is unlikely that this uses a Thread, but there could be something in the onDisplay screen that uses a Thread of courset.

    I would put more

    Tools.Print ("Thread Count:" + Thread.activeCount ());

    and try to track down what is causing the problem.

  • Exception in thread "AWT-EventQueue-0" oracle.jbo.TooManyObjectsException: Houston-25013: too many objects correspond to the oracle.jbo.Key [4 primary key].

    Mr President

    I am able to add records with the following method but when I navigate through folders and then I get the above error.

    When you use this code in my doDML()

    package model;
    
    
    import java.sql.PreparedStatement;
    
    
    import oracle.jbo.Key;
    import oracle.jbo.domain.Number;
    import oracle.jbo.server.EntityDefImpl;
    import oracle.jbo.server.EntityImpl;
    import oracle.jbo.server.SequenceImpl;
    import oracle.jbo.server.TransactionEvent;
    // ---------------------------------------------------------------------
    // ---    File generated by Oracle ADF Business Components Design Time.
    // ---    Tue Nov 10 11:03:43 PKT 2015
    // ---    Custom code may be added to this class.
    // ---    Warning: Do not modify method signatures of generated methods.
    // ---------------------------------------------------------------------
    public class TableNameImpl extends EntityImpl {
        /**
         * AttributesEnum: generated enum for identifying attributes and accessors. DO NOT MODIFY.
         */
        public enum AttributesEnum {
            Column1,
            Column2,
            Column3,
            JoinColumn,
            HiddenColumn;
            private static AttributesEnum[] vals = null;
            private static final int firstIndex = 0;
    
    
            public int index() {
                return AttributesEnum.firstIndex() + ordinal();
            }
    
    
            public static final int firstIndex() {
                return firstIndex;
            }
    
    
            public static int count() {
                return AttributesEnum.firstIndex() + AttributesEnum.staticValues().length;
            }
    
    
            public static final AttributesEnum[] staticValues() {
                if (vals == null) {
                    vals = AttributesEnum.values();
                }
                return vals;
            }
        }
        public static final int COLUMN1 = AttributesEnum.Column1.index();
        public static final int COLUMN2 = AttributesEnum.Column2.index();
        public static final int COLUMN3 = AttributesEnum.Column3.index();
        public static final int JOINCOLUMN = AttributesEnum.JoinColumn.index();
        public static final int HIDDENCOLUMN = AttributesEnum.HiddenColumn.index();
    
    
        /**
         * This is the default constructor (do not remove).
         */
        public TableNameImpl() {
        }
    
    
        /**
         * Gets the attribute value for Column1, using the alias name Column1.
         * @return the value of Column1
         */
        public Number getColumn1() {
            return (Number) getAttributeInternal(COLUMN1);
        }
    
    
        /**
         * Sets <code>value</code> as the attribute value for Column1.
         * @param value value to set the Column1
         */
        public void setColumn1(Number value) {
            setAttributeInternal(COLUMN1, value);
        }
    
    
        /**
         * Gets the attribute value for Column2, using the alias name Column2.
         * @return the value of Column2
         */
        public Number getColumn2() {
            return (Number) getAttributeInternal(COLUMN2);
        }
    
    
        /**
         * Sets <code>value</code> as the attribute value for Column2.
         * @param value value to set the Column2
         */
        public void setColumn2(Number value) {
            setAttributeInternal(COLUMN2, value);
        }
    
    
        /**
         * Gets the attribute value for Column3, using the alias name Column3.
         * @return the value of Column3
         */
        public Number getColumn3() {
            return (Number) getAttributeInternal(COLUMN3);
        }
    
    
        /**
         * Sets <code>value</code> as the attribute value for Column3.
         * @param value value to set the Column3
         */
        public void setColumn3(Number value) {
            setAttributeInternal(COLUMN3, value);
        }
    
    
        /**
         * Gets the attribute value for JoinColumn, using the alias name JoinColumn.
         * @return the value of JoinColumn
         */
        public Number getJoinColumn() {
            return (Number) getAttributeInternal(JOINCOLUMN);
        }
    
    
        /**
         * Sets <code>value</code> as the attribute value for JoinColumn.
         * @param value value to set the JoinColumn
         */
        public void setJoinColumn(Number value) {
            setAttributeInternal(JOINCOLUMN, value);
        }
    
    
        /**
         * Gets the attribute value for HiddenColumn, using the alias name HiddenColumn.
         * @return the value of HiddenColumn
         */
        public Number getHiddenColumn() {
            return (Number) getAttributeInternal(HIDDENCOLUMN);
        }
    
    
        /**
         * Sets <code>value</code> as the attribute value for HiddenColumn.
         * @param value value to set the HiddenColumn
         */
        public void setHiddenColumn(Number value) {
            setAttributeInternal(HIDDENCOLUMN, value);
        }
    
    
        /**
         * @param column1 key constituent
    
    
         * @return a Key object based on given key constituents.
         */
        public static Key createPrimaryKey(Number column1) {
            return new Key(new Object[] { column1 });
        }
    
    
        /**
         * @return the definition object for this instance class.
         */
        public static synchronized EntityDefImpl getDefinitionObject() {
            return EntityDefImpl.findDefObject("model.TableName");
        }
    
    
        /**
         * Add locking logic here.
         */
        public void lock() {
            super.lock();
        }
    
    
        /**
         * Custom DML update/insert/delete logic here.
         * @param operation the operation type
         * @param e the transaction event
         */
        protected void doDML(int operation, TransactionEvent e) {
                if(operation == DML_INSERT)
                    {
                      SequenceImpl seq = new SequenceImpl("JOIN_SEQ", getDBTransaction());
                      oracle.jbo.domain.Number seqValue = seq.getSequenceNumber();
                      setJoinColumn(seqValue);
                      insertSecondRowInDatabase(getColumn1(), getColumn2(), getColumn3(), getJoinColumn());
                    }
                   
                    if(operation == DML_UPDATE)
                    {
                      updateSecondRowInDatabase(getColumn1(), getColumn2(), getColumn3(), getJoinColumn());
                    }
                super.doDML(operation, e);
            }
          
            private void insertSecondRowInDatabase(Object value1, Object value2, Object value3, Object joinColumn)
              {
                PreparedStatement stat = null;
                try
                {
                  String sql = "Insert into table_name (COLUMN_1,COLUMN_2,COLUMN_3,JOIN_COLUMN, HIDDEN_COLUMN) values ('" + value1 + "','" + value2 + "','" + value3 + "','" + joinColumn + "', 1)";
                  System.out.println("sql= " + sql);  
                  stat = getDBTransaction().createPreparedStatement(sql, 1);
                  stat.executeUpdate();
                }
                catch (Exception e)
                {
                  e.printStackTrace();
                }
                finally
                {
                  try
                  {
                    stat.close();
                  }
                  catch (Exception e)
                  {
                    e.printStackTrace();
                  }
                }
              }
            
              private void updateSecondRowInDatabase(Object value1, Object value2, Object value3, Object joinColumn)
              {
                PreparedStatement stat = null;
                try
                {
                  String sql = "update table_name set column_1='" + value1 + "', column_2='" + value2 + "', column_3='" + value3 + "' where JOIN_COLUMN='" + joinColumn + "'";
                  System.out.println("sql= " + sql);    
                  stat = getDBTransaction().createPreparedStatement(sql, 1);
                  stat.executeUpdate();
                }
                catch (Exception e)
                {
                  e.printStackTrace();
                }
                finally
                {
                  try
                  {
                    stat.close();
                  }
                  catch (Exception e)
                  {
                    e.printStackTrace();
                  }
                }
              }
        }
    
    
    

    To me the error.

    Exception in thread "AWT-EventQueue-0" oracle.jbo.TooManyObjectsException: JBO-25013: Too many objects match the primary key oracle.jbo.Key[4 ].
      at oracle.jbo.server.OracleSQLBuilderImpl.doEntitySelectForAltKey(OracleSQLBuilderImpl.java:862)
      at oracle.jbo.server.BaseSQLBuilderImpl.doEntitySelect(BaseSQLBuilderImpl.java:555)
      at oracle.jbo.server.EntityImpl.doSelect(EntityImpl.java:9089)
      at oracle.jbo.server.EntityImpl.populate(EntityImpl.java:7664)
      at oracle.jbo.server.EntityImpl.merge(EntityImpl.java:8008)
      at oracle.jbo.server.EntityCache.addForAltKey(EntityCache.java:1189)
      at oracle.jbo.server.EntityCache.add(EntityCache.java:579)
      at oracle.jbo.server.ViewRowStorage.entityCacheAdd(ViewRowStorage.java:3454)
      at oracle.jbo.server.ViewRowImpl.entityCacheAdd(ViewRowImpl.java:4062)
      at oracle.jbo.server.ViewObjectImpl.createInstanceFromResultSet(ViewObjectImpl.java:6351)
      at oracle.jbo.server.QueryCollection.populateRow(QueryCollection.java:4145)
      at oracle.jbo.server.QueryCollection.fetch(QueryCollection.java:4000)
      at oracle.jbo.server.QueryCollection.get(QueryCollection.java:2491)
      at oracle.jbo.server.ViewRowSetImpl.getRow(ViewRowSetImpl.java:5540)
      at oracle.jbo.server.ViewRowSetIteratorImpl.getRowInternal(ViewRowSetIteratorImpl.java:3590)
      at oracle.jbo.server.ViewRowSetIteratorImpl.hasNext(ViewRowSetIteratorImpl.java:2007)
      at oracle.jbo.server.ViewRowSetImpl.hasNext(ViewRowSetImpl.java:3859)
      at oracle.jbo.server.ViewObjectImpl.hasNext(ViewObjectImpl.java:11845)
      at oracle.jbo.uicli.binding.JUCtrlActionBinding.isOperationEnabled(JUCtrlActionBinding.java:473)
      at oracle.jbo.uicli.binding.JUCtrlActionBinding.isActionEnabled(JUCtrlActionBinding.java:300)
      at oracle.jbo.uicli.controls.JUNavigationBar._isEnabled(JUNavigationBar.java:1345)
      at oracle.jbo.uicli.controls.JUNavigationBar._updateButtonStates(JUNavigationBar.java:1334)
      at oracle.jbo.jbotester.app.NavigationBar._updateButtonStates(NavigationBar.java:123)
      at oracle.jbo.uicli.controls.JUNavigationBar$3.run(JUNavigationBar.java:1249)
      at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
      at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
      at java.awt.EventQueue.access$500(EventQueue.java:97)
      at java.awt.EventQueue$3.run(EventQueue.java:709)
      at java.awt.EventQueue$3.run(EventQueue.java:703)
      at java.security.AccessController.doPrivileged(Native Method)
      at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
      at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)
      at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
      at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
      at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
      at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
      at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
      at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
    
    
    

    Concerning

    You can't repeat the value of pharmacokinetics in several lines. try to follow this:

    1. in your database to create new sequence "PK_SEQ".

    2. in doDML write this

        if (operation == DML_INSERT)
        {
          SequenceImpl seq = new SequenceImpl("JOIN_SEQ", getDBTransaction());
          oracle.jbo.domain.Number seqValue = seq.getSequenceNumber();
          setJoinColumn(seqValue);
          setPKey(getPkSeqNextNumber())
          insertSecondRowInDatabase(getPkSeqNextNumber(), getColumn1(), getColumn2(), getColumn3(), getJoinColumn());
        }
    

    the getPkSeqNextNumber will be

    private Number getPkSeqNextNumber()
    {
      SequenceImpl pkSeq = new SequenceImpl("PK_SEQ", getDBTransaction());
      return pkSeq.getSequenceNumber();
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