FDS fill method problem

Hi,
I have a requirement in which i can able to search for data,
display on a grid check some rows, press delete button, it will get
deleted from DB and the remaining items are shown on screen. Since
its a soft delete function that happens in another DB schema, wat
am doing is to call ds.fill() on search, and to call an RPC like
ro.deleteItems(ArrayCollection). and then again ds.fill(). But its
throwing some error saying null object reference. But it works fine
if i click the search button again, which displays the remaining
record. Please help me to solve this issue. From console i came to
know that the data is returned to the Flex side, but its not
displaying in the grid. Please help me out in this issue... am
stuck now :( Thanks in Advance.

hello... anybody out ter to help me? my code segment goes lik
this...
// ds is the id for DataService and rpc is the id for
RemoteObject.
rpc.delete(deleteSE); //deleteSE is an ArrayCollection
ds.fill(AC,VO); // AC is the DP for Datagrid. VO is the
parameter passed to bring AC according to some conditions
this brings the contents back but an action script error is
thrown and the datagrid is not getting updated.
please help me...
TIA

Similar Messages

Problem accessing results from DataService fill method

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So I know I've configured and coded everything correctly.
However, if I try to access the data with the following code,
it
appears my array is empty!
ray = new ArrayCollection();
ds = new DataService("assets");
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tried
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How do I access and manipulate the results of a fill method
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Note that it takes time to actually make the dataservice call
and retrieve the results. Your data won't be available right away.
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BufferedReader's readLine() method problem (REPOST)

Hello,
If anyone can help me out I would not have to struggle :)
Here is the thing. I have a file like this:
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and my java programs is like this:
public String searchForAString(String fileName, int lineNumber)
File fileObject = new File(fileName);
String finalString ="";
String record = "";
int line;
try
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BufferedInputStream bufferedInputStreamObject = new BufferedInputStream(fileInputStreamObject);
//DataInputStream dataInputStreamObject = new DataInputStream(bufferedInputStreamObject);
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while((bufferedReaderObject.readLine()) != null)
System.out.println(bufferedReaderObject.readLine());
Last System.out.println statement only displays second, forth, sixth, eigth, tenth and null lines. Why not every line? Any ideas? Thanks!
Re: BufferedReader's readLine() method problem.
Author: EagleEye101 Feb 18, 2005 8:48 PM (reply 1 of 1)
You do relize that when you call the in.readLine() in your loop conditional and in your loop body it reads in diffrent lines. Try this:
public String searchForAString(String fileName, int lineNumber)
File fileObject = new File(fileName);
String finalString ="";
String record = "";
int line;
try
FileInputStream fileInputStreamObject = new FileInputStream(fileObject);
BufferedInputStream bufferedInputStreamObject = new BufferedInputStream(fileInputStreamObject);
//DataInputStream dataInputStreamObject = new DataInputStream(bufferedInputStreamObject);
BufferedReader bufferedReaderObject = new BufferedReader(new InputStreamReader(bufferedInputStreamObject));
//System.out.println(bufferedReaderObject.readLine());
//System.out.println("_____________________");
String s = bufferedReaderObject.readLine();
while(s != null)
System.out.println(bufferedReaderObject.readLine());
s = bufferedReaderObject.readLine();
Every time you call the readLine method, it does read a diffrent line. Java does not know you want to read the same line twice.
Tried it, did not work. I need to go through each line of the file I have. Any ideas?

solution should be in your other thread.
Please do not repeat threads--it really bugs the people here, just some 'nettiquite' --I don't mean to be a grouch.
--later. : )

Fill method isn't working on arrays.

I am trying to use(on JDK 1.4) the fill method of util.Arrays class to fill an array. It gives "cannot resolve symbol" error at the line with fill command. What am I doing wrong here ?
import java.util.Arrays;
public class arrtest {
public static void main(String[] args)
int arr[] = new int[20];
fill(arr,0,7,1);
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The fill() method is a static member of the Arrays
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Hi all,
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Java HotSpot(TM) Server VM (build 1.3.1 1.3.1.06-JPSE_1.3.1.06_20020625 PA2.0, mixed mode)
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Greets, Janne

Thanks for your answer!
The problem is that I have to work with this older SDK version. :) But I got it solved by using the roll method with the following syntax:
int delta = [dayToSet] - m_calendar.get(Calendar.DAY_OF_WEEK);
in which the delta is of course the difference (negative or positive to the current day of the week)
and then using the roll call:
m_calendar.roll(Calendar.DAY_OF_WEEK, delta);
which doesn't alter the current week. So this works if someone else has a similar problem with the version 1.3.1
Greets, Janne

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Macsym
PenFriend <[email protected]> wrote:
Macsym,
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macsym wrote:
I've tried to re-run it. In my
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Macsym
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-- Rob
macsym wrote:
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public class publication
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public String publisher;
public String PricePerIssue;
public String pubstatus;
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public String GetPricePerIssue()
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public String Getpublicationtype()
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import publication;
public class PublicationContainer
LinkedList PubList;
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public int add (publication newpublication)
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String PricePerIssue;
String Publisher;
String Pubstatus;
String Pubtype;
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System.out.println("Enter Publication status");
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Whoops! Anyone spot the mistake?
I (blush) forgot to re-instate the serial key for the publications after reading them in from disk.
Works now ;)
import javax.swing.JComponent;
import javax.swing.JList;
import javax.swing.DefaultListModel;
import javax.swing.JPanel;
import javax.swing.JOptionPane;
import javax.swing.JButton;
import javax.swing.JScrollPane;
import javax.swing.JLabel;
import javax.swing.JComboBox;
import javax.swing.JTextField;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.Dimension;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.Serializable;
class Publication
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     public static final byte AUDIO=       3;
     public static final byte BRAIL=       4;
     public static final byte LARGE_PRINT= 5;
     public static final byte INSTOCK=      1;
     public static final byte BACK_ORDER=   2;
     public static final byte OUT_OF_PRINT= 3;
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          { "Unknown", "Hardback", "Paperback", "Audio", "Brail", "Large Print" };
     private static final String[] sStatusNames=
          { "Unknown", "In Stock", "Back Order", "Out of Print" };
     private int mId;
     private String mTitle;
     private String mAuthor;
     private String mPublisher;
     private float mPrice;
     private byte mStatus;
     private byte mType;
     private static Object sIdLock= new Object();
     static int sId;
     public Publication(
          String title, String author, String publisher,
          float price, byte status, byte type)
          setTitle(title);
          setPublisher(publisher);
          setAuthor(author);
          setPrice(price);
          setStatus(status);
          setType(type);
          synchronized (sIdLock) {
               mId= ++sId;
     public int getId() { return mId; }
     public void setTitle(String title) { mTitle= title; }
     public String getTitle() { return mTitle; }
     public void setAuthor(String author) { mAuthor= author; }
     public String getAuthor() { return mAuthor; }
     public void setPublisher(String publisher) { mPublisher= publisher; }
     public String getPublisher() { return mPublisher; }
     public void setPrice(float price) { mPrice= price; }
     public float getPrice() { return mPrice; }
     public void setStatus(byte status)
          if (status >= INSTOCK && status <= OUT_OF_PRINT)
               mStatus= status;
          else
               mStatus= UNKNOWN;
     public byte getStatus() { return mStatus; }
     public String getStatusName() { return sStatusNames[mStatus]; }
     public void setType(byte type)
          if (type >= HARDBACK && type <= LARGE_PRINT)
               mType= type;
          else
               mType= UNKNOWN;
     public byte getType() { return mType; }
     public String getTypeName() { return sTypeNames[mType]; }
     public String toString ()
          return
               " id= " +getId() +
               ", title= " +getTitle() +
               ", author= " +getAuthor() +
               ", publisher= " +getPublisher() +
               ", price= " +getPrice() +
               ", status= " +getStatus() +
               " (" +getStatusName() +")" +
               ", type= " +getType() +
               " (" +getTypeName() +")";
     private static void addPublication(DefaultListModel listModel) {
          editPublication(listModel, null);
     private static void editPublication(
          DefaultListModel listModel, Publication publication)
          JPanel panel= new JPanel(new BorderLayout());
          JPanel titlePanel= new JPanel(new GridLayout(0,1));
          JPanel fieldPanel= new JPanel(new GridLayout(0,1));
          JTextField fTitle= new JTextField(20);
          JTextField fAuthor= new JTextField();
          JTextField fPublisher= new JTextField();
          JTextField fPrice= new JTextField();
          JComboBox cbStatus= new JComboBox(sStatusNames);
          JComboBox cbType= new JComboBox(sTypeNames);
          fieldPanel.add(fTitle);
          fieldPanel.add(fAuthor);
          fieldPanel.add(fPublisher);
          fieldPanel.add(fPrice);
          fieldPanel.add(cbStatus);
          fieldPanel.add(cbType);
          titlePanel.add(new JLabel("Title:"));
          titlePanel.add(new JLabel("Author:"));
          titlePanel.add(new JLabel("Publisher: "));
          titlePanel.add(new JLabel("Price:"));
          titlePanel.add(new JLabel("Status:"));
          titlePanel.add(new JLabel("Type:"));
          panel.add(titlePanel, BorderLayout.WEST);
          panel.add(fieldPanel, BorderLayout.EAST);
          if (publication != null) {
               fTitle.setText(publication.getTitle());
               fTitle.setEditable(false);
               fAuthor.setText(publication.getAuthor());
               fPublisher.setText(publication.getPublisher());
               fPrice.setText("" +publication.getPrice());
               cbStatus.setSelectedIndex((int) publication.getStatus());
               cbType.setSelectedIndex((int) publication.getType());
          int option= JOptionPane.showOptionDialog(
               null, panel, "New Publication",
               JOptionPane.OK_CANCEL_OPTION,
               JOptionPane.PLAIN_MESSAGE,
               null, null, null
          if (option != JOptionPane.OK_OPTION)
               return;
          String title=
               fTitle.getText().length() < 1 ? "Unknown" : fTitle.getText();
          String author=
               fAuthor.getText().length() < 1 ? "Unknown" : fAuthor.getText();
          String publisher=
               fPublisher.getText().length() < 1 ? "Unknown" : fPublisher.getText();
          float price= 0.0f;
          try { price= Float.parseFloat(fPrice.getText()); }
          catch (NumberFormatException nfe) { }
          byte status= (byte) cbStatus.getSelectedIndex();
          byte type= (byte) cbType.getSelectedIndex();
          if (publication != null) {
               publication.setAuthor(author);
               publication.setPublisher(publisher);
               publication.setPrice(price);
               publication.setStatus(status);
               publication.setType(type);
          else {
               listModel.addElement(
                    new Publication(title, author, publisher, price, status, type));
     private static void deletePublications(JList list, DefaultListModel listModel)
          if (list.getSelectedIndex() >= 0) {
               Object[] values= list.getSelectedValues();
               for (int i= 0; i< values.length; i++)
                    listModel.removeElement(values);
     private static DefaultListModel getListModel()
          DefaultListModel listModel;
          try {
               ObjectInputStream is=
                    new ObjectInputStream(new FileInputStream(sFileName));
               listModel= (DefaultListModel) is.readObject();
               is.close();
               if (listModel.getSize() > 0) {
                    Publication.sId=
                         ((Publication)
                              listModel.get(listModel.getSize() -1)).getId();
          catch (Exception e) {
               JOptionPane.showMessageDialog(
                    null, "Could not find saved Publications, creating new list.",
                    "Error", JOptionPane.ERROR_MESSAGE);
               listModel= new DefaultListModel();
               // add a known book to the list (I'm pretty sure this one exists ;)
               listModel.addElement(
                    new Publication("The Bible", "Various", "God", 12.95f,
                         Publication.INSTOCK, Publication.HARDBACK));
          // add a shutdown hook to save the list model to disk when we exit
          final DefaultListModel model= listModel;
          Runtime.getRuntime().addShutdownHook(new Thread() {
               public void run() {
                    saveListModel(model);
          return listModel;
     private static void saveListModel(DefaultListModel listModel)
          try {
               ObjectOutputStream os=
                    new ObjectOutputStream(new FileOutputStream(sFileName));
               os.writeObject(listModel);
               os.close();
          catch (IOException ioe) {
               System.err.println("Failed to save Publications!");
               ioe.printStackTrace();
     public static void main(String args[])
          // store all the publications in a list model which drives the JList
          // the user will see - we save it on exit, so see if there's one on disk.
          final DefaultListModel listModel= getListModel();
          final JList list= new JList(listModel);
          // two panels, the main one for the dialog and one for buttons
          JPanel panel= new JPanel(new BorderLayout());
          JPanel btnPanel= new JPanel(new GridLayout(1,0));
          // an add button, when pressed brings up a dialog where the user can
          // enter details of a new publication
          JButton btnAdd= new JButton("Add");
          btnAdd.addActionListener(new ActionListener() {
               public void actionPerformed(ActionEvent e) {
                    addPublication(listModel);
          btnPanel.add(btnAdd);
          // a delete button, when pressed it will delete all the selected list
          // items (if any) and then disable itself
          final JButton btnDelete= new JButton("Delete");
          btnDelete.addActionListener(new ActionListener() {
               public void actionPerformed(ActionEvent e) {
                    deletePublications(list, listModel);
          btnDelete.setEnabled(false);
          btnPanel.add(btnDelete);
          // hook into the list selection model so we can de-activate the delete
          // button if no list items are selected.
          list.getSelectionModel().addListSelectionListener(
               new ListSelectionListener() {
                    public void valueChanged(ListSelectionEvent e) {
                         if (list.getSelectedIndices().length > 0)
                              btnDelete.setEnabled(true);
                         else
                              btnDelete.setEnabled(false);
          // Watch out for double clicks in the list and edit the document
          // selected
          list.addMouseListener(new MouseListener() {
               public void mouseClicked(MouseEvent e) {
                    if (e.getClickCount() == 2) {
                         editPublication(
                              listModel, (Publication) list.getSelectedValue());
               public void mousePressed(MouseEvent e) { }
               public void mouseReleased(MouseEvent e) { }
               public void mouseEntered(MouseEvent e) { }
               public void mouseExited(MouseEvent e) { }
          // Now keep an eye out for the user hitting return (will edit the selected
          // publication) or delete (will delete it)
          // Note: we have do the ugly "pressed" flag because JOptionPane closes
          // on keyPressed and we end up getting keyReleased. Can't use keyTypes
          // because it does not contain the virtual key code 8(
          list.addKeyListener(new KeyListener() {
               boolean pressed= false;
               public void keyTyped(KeyEvent e) { }
               public void keyPressed(KeyEvent e) {
                    pressed= true;
               public void keyReleased(KeyEvent e) {
                    if (pressed && e.getKeyCode() == e.VK_ENTER) {
                         editPublication(
                              listModel, (Publication) list.getSelectedValue());
                    else if (pressed && e.getKeyCode() == e.VK_DELETE)
                         deletePublications(list, listModel);
                    pressed= false;
          // Put the list in a scroll pane so we can see it all. Make it resonably
          // wide so we don't have top scroll horizonatly to see most publications
          JScrollPane listScrollPane= new JScrollPane(list);
          listScrollPane.setPreferredSize(new Dimension(640, 300));
          // layout the list and button panel
          panel.add(listScrollPane, BorderLayout.CENTER);
          panel.add(btnPanel, BorderLayout.SOUTH);
          // ok, ready to rumble, lets show the user what we've got
          JOptionPane.showOptionDialog(
               null, panel, "Publications",
               JOptionPane.DEFAULT_OPTION,
               JOptionPane.PLAIN_MESSAGE,
               null, new String[0], null
          // leg it
          System.exit(0);

Urgent!!! select methods problem!!!

hi,all
dose anybody have encounter such problem : if the xml nodes have prefix that the select methods can not work as well, the select result is null,but the xml nodes do not have prefix that the result will be right.
i use the oracle xdk10.0 ,and parse is DOMParse.
if the xdk do not support prefix ???
i don't believe it.
appreciate for your answers!!!!

If the xml elements are not in a namespace (do not have a prefix) the select methods retrieve the element values.
http://www.oracle.com/technology/pub/notes/technote_domparser.html
If the elements are in a namespace (have a prefix) use a NSResolver with select methods.

Add a Data Action to Execute a Method - Problem

Hi,
I'm working with JDeveloper 10.1.3 - JSP,Struts and ADF BC.
I have a method that retruns 2 values (audit(Number,Number)) and exposed the Service Metod, but now I need to add a Data Action to Execute that method.
I already add an Data Action icon to my Page Flow Diagram but what do I need to do next?
Can anyone help me? Any ideias?
Thanks,
Micaela

Hi Shay,
I have one problem because how can I create a JSP Page to display Method Results in JDeveloper10.1.3???
I already created another page and tried to Drag and Drop my Method from Data Control Palette, but I only have the choice to create a button and I would like to see the result.
Adding a c:out tag to the JSP page.
Can you help me with this problem??
Thanks,
Micaela

FDS fill method problem

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