Examples of org.xBaseJ.micro.indexes.Index

org.xBaseJ.micro.indexes.Index

   */
  public Index useIndex(String filename)
    throws xBaseJException, IOException
  {
    int i;
    Index NDXes;
    for (i=1; i <= jNDXes.size(); i++)
        {
          NDXes = (Index) jNDXes.elementAt(i-1);
          if (NDXes.getName().compareTo(filename) == 0)
        {
          jNDX = NDXes;
              return jNDX;
        }
        }

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   */
  public Index useIndex(Index ndx)
    throws xBaseJException, IOException
  {
    int i;
    Index NDXes;
    for (i=1; i<= jNDXes.size(); i++)
    {
      NDXes = (Index) jNDXes.elementAt(i-1);
      if (NDXes == ndx)
      {

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    {
      tField = (Field) fld_root.elementAt(i);
      tField.read();
    }


    Index NDXes;
    for (i=1; i<= jNDXes.size(); i++)
    {
      NDXes =  (Index) jNDXes.elementAt(i-1);
      NDXes.set_active_key(NDXes.build_key());
    }


  }

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    /** writes a new record in the database */
    int i;
    byte wb;
    Field tField;


    Index NDXes;
    for (i=1; i<= jNDXes.size(); i++)
      {
        NDXes =  (Index) jNDXes.elementAt(i-1);
        NDXes.check_for_duplicates(Index.findFirstMatchingKey);
      }




    seek(count);
    delete_ind = NOTDELETED;
    file.writeByte(delete_ind);




    for (i=0; i < fldcount; i++)
    {
      tField = (Field) fld_root.elementAt(i);
      tField.write();
    }




    wb = 0x1a;
    file.writeByte(wb);


    for (i=1; i<= jNDXes.size(); i++)
      {
        NDXes =  (Index) jNDXes.elementAt(i-1);
        NDXes.add_entry((count+1));
      }


        if (MDX_exist != 1 && (version == DBASEIII || version == DBASEIII_WITH_MEMO))
         {
        byte array[] = new byte[lrecl];

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    }


    seek(current_record-1);
    file.readByte(); // don't change delete indicator let delete/undelete do that.


    Index NDXes;


    for (i=1; i<= jNDXes.size(); i++)
    {
      NDXes =  (Index) jNDXes.elementAt(i-1);
      NDXes.check_for_duplicates(current_record);
    }


    for (i=1; i<= jNDXes.size(); i++)  //  reposition record pointer and current key for index update
    {
      NDXes =  (Index) jNDXes.elementAt(i-1);
      NDXes.find_entry(NDXes.get_active_key(), current_record);
    }




    for (i=0; i < fldcount; i++)
    {
      tField = (Field) fld_root.elementAt(i);
      if (tField instanceof MemoField) tField.update();
      else tField.write();
    }


    for (i=1; i<= jNDXes.size(); i++)
    {
      NDXes =  (Index) jNDXes.elementAt(i-1);
      NDXes.update(current_record);
    }




  }

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      if (dbtobj != null)
      dbtobj.close();


    Index NDXes;
    NDX n;


    for (i=1; i <= jNDXes.size(); i++)
      {
        NDXes = (Index) jNDXes.elementAt(i-1);

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    read_dbhead();


    for (i=1; i<= fldcount; i++)
      getField(i).setFile(file);


    Index NDXes;


    if (MDXfile != null)
      MDXfile.reIndex();


    if (jNDXes.size() == 0)
    {
      current_record = 0;
    }
    else
    {
      for (i=1; i<= jNDXes.size(); i++)
      {
        NDXes = (Index) jNDXes.elementAt(i-1);
        NDXes.reIndex();
      }
      NDXes =  (Index) jNDXes.elementAt(0);
      if (count > 0)
          startTop();
    }

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Related Classes of org.xBaseJ.micro.indexes.Index

org.xBaseJ.micro.DBF

org.xBaseJ.micro.fields.Field

org.xBaseJ.micro.xBaseJException

java.util.Vector

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