Java 类weka.core.converters.SerializedInstancesLoader 实例源码

项目:repo.kmeanspp.silhouette_score    文件:PreprocessPanel.java   
/**
  * Backs up the current state of the dataset, so the changes can be undone.
  * 
  * @throws Exception   if an error occurs
  */
 public void addUndoPoint() throws Exception {
   if (!ExplorerDefaults.get("enableUndo", "true").equalsIgnoreCase("true")) {
     return;
   }

   if (m_Instances != null) {
     // create temporary file
     File tempFile = File.createTempFile("weka", SerializedInstancesLoader.FILE_EXTENSION);
     tempFile.deleteOnExit();
     if (!ExplorerDefaults.get("undoDirectory", "%t").equalsIgnoreCase("%t")) {
       String dir = ExplorerDefaults.get("undoDirectory", "%t");
       File undoDir = new File(dir);
       if (undoDir.exists()) {
         String fileName = tempFile.getName();
         File newFile = new File(dir + File.separator + fileName);
         if (undoDir.canWrite()) {
           newFile.deleteOnExit();
           tempFile = newFile;
         } else {
           System.err.println("Explorer: it doesn't look like we have permission" +
                " to write to the user-specified undo directory " +
                "'" + dir + "'");
         }
       } else {
         System.err.println("Explorer: user-specified undo directory '" +
             dir + "' does not exist!");
       }
     }


     ObjectOutputStream oos = 
new ObjectOutputStream(
new BufferedOutputStream(
new FileOutputStream(tempFile)));

     oos.writeObject(m_Instances);
     oos.flush();
     oos.close();

     // update undo file list
     if (m_tempUndoFiles[m_tempUndoIndex] != null) {
// remove undo points that are too old
m_tempUndoFiles[m_tempUndoIndex].delete();
     }
     m_tempUndoFiles[m_tempUndoIndex] = tempFile;
     if (++m_tempUndoIndex >= m_tempUndoFiles.length) {
// wrap pointer around
m_tempUndoIndex = 0;
     }

     m_UndoBut.setEnabled(true);
   }
 }
项目:autoweka    文件:PreprocessPanel.java   
/**
  * Backs up the current state of the dataset, so the changes can be undone.
  * 
  * @throws Exception   if an error occurs
  */
 public void addUndoPoint() throws Exception {
   if (!ExplorerDefaults.get("enableUndo", "true").equalsIgnoreCase("true")) {
     return;
   }

   if (m_Instances != null) {
     // create temporary file
     File tempFile = File.createTempFile("weka", SerializedInstancesLoader.FILE_EXTENSION);
     tempFile.deleteOnExit();
     if (!ExplorerDefaults.get("undoDirectory", "%t").equalsIgnoreCase("%t")) {
       String dir = ExplorerDefaults.get("undoDirectory", "%t");
       File undoDir = new File(dir);
       if (undoDir.exists()) {
         String fileName = tempFile.getName();
         File newFile = new File(dir + File.separator + fileName);
         if (undoDir.canWrite()) {
           newFile.deleteOnExit();
           tempFile = newFile;
         } else {
           System.err.println("Explorer: it doesn't look like we have permission" +
                " to write to the user-specified undo directory " +
                "'" + dir + "'");
         }
       } else {
         System.err.println("Explorer: user-specified undo directory '" +
             dir + "' does not exist!");
       }
     }


     ObjectOutputStream oos = 
new ObjectOutputStream(
new BufferedOutputStream(
new FileOutputStream(tempFile)));

     oos.writeObject(m_Instances);
     oos.flush();
     oos.close();

     // update undo file list
     if (m_tempUndoFiles[m_tempUndoIndex] != null) {
// remove undo points that are too old
m_tempUndoFiles[m_tempUndoIndex].delete();
     }
     m_tempUndoFiles[m_tempUndoIndex] = tempFile;
     if (++m_tempUndoIndex >= m_tempUndoFiles.length) {
// wrap pointer around
m_tempUndoIndex = 0;
     }

     m_UndoBut.setEnabled(true);
   }
 }
项目:umple    文件:PreprocessPanel.java   
/**
  * Backs up the current state of the dataset, so the changes can be undone.
  * 
  * @throws Exception   if an error occurs
  */
 public void addUndoPoint() throws Exception {
   if (!ExplorerDefaults.get("enableUndo", "true").equalsIgnoreCase("true")) {
     return;
   }

   if (m_Instances != null) {
     // create temporary file
     File tempFile = File.createTempFile("weka", SerializedInstancesLoader.FILE_EXTENSION);
     tempFile.deleteOnExit();
     if (!ExplorerDefaults.get("undoDirectory", "%t").equalsIgnoreCase("%t")) {
       String dir = ExplorerDefaults.get("undoDirectory", "%t");
       File undoDir = new File(dir);
       if (undoDir.exists()) {
         String fileName = tempFile.getName();
         File newFile = new File(dir + File.separator + fileName);
         if (undoDir.canWrite()) {
           newFile.deleteOnExit();
           tempFile = newFile;
         } else {
           System.err.println("Explorer: it doesn't look like we have permission" +
                " to write to the user-specified undo directory " +
                "'" + dir + "'");
         }
       } else {
         System.err.println("Explorer: user-specified undo directory '" +
             dir + "' does not exist!");
       }
     }


     ObjectOutputStream oos = 
new ObjectOutputStream(
new BufferedOutputStream(
new FileOutputStream(tempFile)));

     oos.writeObject(m_Instances);
     oos.flush();
     oos.close();

     // update undo file list
     if (m_tempUndoFiles[m_tempUndoIndex] != null) {
// remove undo points that are too old
m_tempUndoFiles[m_tempUndoIndex].delete();
     }
     m_tempUndoFiles[m_tempUndoIndex] = tempFile;
     if (++m_tempUndoIndex >= m_tempUndoFiles.length) {
// wrap pointer around
m_tempUndoIndex = 0;
     }

     m_UndoBut.setEnabled(true);
   }
 }
项目:meka    文件:Explorer.java   
/**
 * Adds an undo point.
 * 
 * @return  true if successfully added
 */
public boolean addUndoPoint() {
    boolean     result;
    File        tempFile;
    ObjectOutputStream  oos;
    ArrayList       data;

    if (m_Data == null)
        return false;

    tempFile = null;
    try {
        // create temporary file
        tempFile = File.createTempFile("meka", SerializedInstancesLoader.FILE_EXTENSION);
        tempFile.deleteOnExit();

        data = new ArrayList();
        data.add(m_CurrentFile);
        data.add(m_Data);

        // save data
        oos = new ObjectOutputStream(new BufferedOutputStream(new FileOutputStream(tempFile)));
        oos.writeObject(data);
        oos.flush();
        oos.close();

        m_Undo.add(tempFile);
        result = true;
    }
    catch (Exception e) {
        result = false;
        System.err.println("Failed to save undo data to '" + tempFile + "':");
        e.printStackTrace();
        JOptionPane.showMessageDialog(
                this, 
                "Failed to save undo data to '" + tempFile + "':\n" + e, 
                "Error",
                JOptionPane.ERROR_MESSAGE);
    }

    updateMenu();

    return result;
}
项目:jbossBA    文件:PreprocessPanel.java   
/**
  * Backs up the current state of the dataset, so the changes can be undone.
  * 
  * @throws Exception   if an error occurs
  */
 public void addUndoPoint() throws Exception {
   if (!ExplorerDefaults.get("enableUndo", "true").equalsIgnoreCase("true")) {
     return;
   }

   if (m_Instances != null) {
     // create temporary file
     File tempFile = File.createTempFile("weka/src/main/java/weka", SerializedInstancesLoader.FILE_EXTENSION);
     tempFile.deleteOnExit();

     if (!ExplorerDefaults.get("undoDirectory", "%t").equalsIgnoreCase("%t")) {
       String dir = ExplorerDefaults.get("undoDirectory", "%t");
       File undoDir = new File(dir);
       if (undoDir.exists()) {
         String fileName = tempFile.getName();
         File newFile = new File(dir + File.separator + fileName);
         if (undoDir.canWrite()) {
           newFile.deleteOnExit();
           tempFile = newFile;
         } else {
           System.err.println("Explorer: it doesn't look like we have permission" +
                       " to write to the user-specified undo directory " +
                       "'" + dir + "'");
         }
       } else {
         System.err.println("Explorer: user-specified undo directory '" +
             dir + "' does not exist!");
       }
     }

     ObjectOutputStream oos = 
new ObjectOutputStream(
new BufferedOutputStream(
new FileOutputStream(tempFile)));

     oos.writeObject(m_Instances);
     oos.flush();
     oos.close();

     // update undo file list
     if (m_tempUndoFiles[m_tempUndoIndex] != null) {
// remove undo points that are too old
m_tempUndoFiles[m_tempUndoIndex].delete();
     }
     m_tempUndoFiles[m_tempUndoIndex] = tempFile;
     if (++m_tempUndoIndex >= m_tempUndoFiles.length) {
// wrap pointer around
m_tempUndoIndex = 0;
     }

     m_UndoBut.setEnabled(true);
   }
 }