Example #1
0
 public boolean getAutoCommit() throws SQLException {
   return conn.getAutoCommit();
 }
  /** Method declaration */
  private void refreshTree() {

    tTree.removeAll();

    try {
      int color_table = Color.yellow.getRGB();
      int color_column = Color.orange.getRGB();
      int color_index = Color.red.getRGB();

      tTree.addRow("", dMeta.getURL(), "-", 0);

      String usertables[] = {"TABLE"};
      ResultSet result = dMeta.getTables(null, null, null, usertables);
      Vector tables = new Vector();

      // [email protected] Added remarks.
      Vector remarks = new Vector();

      while (result.next()) {
        tables.addElement(result.getString(3));
        remarks.addElement(result.getString(5));
      }

      result.close();

      for (int i = 0; i < tables.size(); i++) {
        String name = (String) tables.elementAt(i);
        String key = "tab-" + name + "-";

        tTree.addRow(key, name, "+", color_table);

        // [email protected] Added remarks.
        String remark = (String) remarks.elementAt(i);

        if ((remark != null) && !remark.trim().equals("")) {
          tTree.addRow(key + "r", " " + remark);
        }

        ResultSet col = dMeta.getColumns(null, null, name, null);

        while (col.next()) {
          String c = col.getString(4);
          String k1 = key + "col-" + c + "-";

          tTree.addRow(k1, c, "+", color_column);

          String type = col.getString(6);

          tTree.addRow(k1 + "t", "Type: " + type);

          boolean nullable = col.getInt(11) != DatabaseMetaData.columnNoNulls;

          tTree.addRow(k1 + "n", "Nullable: " + nullable);
        }

        col.close();
        tTree.addRow(key + "ind", "Indices", "+", 0);

        ResultSet ind = dMeta.getIndexInfo(null, null, name, false, false);
        String oldiname = null;

        while (ind.next()) {
          boolean nonunique = ind.getBoolean(4);
          String iname = ind.getString(6);
          String k2 = key + "ind-" + iname + "-";

          if ((oldiname == null || !oldiname.equals(iname))) {
            tTree.addRow(k2, iname, "+", color_index);
            tTree.addRow(k2 + "u", "Unique: " + !nonunique);

            oldiname = iname;
          }

          String c = ind.getString(9);

          tTree.addRow(k2 + "c-" + c + "-", c);
        }

        ind.close();
      }

      tTree.addRow("p", "Properties", "+", 0);
      tTree.addRow("pu", "User: " + dMeta.getUserName());
      tTree.addRow("pr", "ReadOnly: " + cConn.isReadOnly());
      tTree.addRow("pa", "AutoCommit: " + cConn.getAutoCommit());
      tTree.addRow("pd", "Driver: " + dMeta.getDriverName());
      tTree.addRow("pp", "Product: " + dMeta.getDatabaseProductName());
      tTree.addRow("pv", "Version: " + dMeta.getDatabaseProductVersion());
    } catch (SQLException e) {
      tTree.addRow("", "Error getting metadata:", "-", 0);
      tTree.addRow("-", e.getMessage());
      tTree.addRow("-", e.getSQLState());
    }

    tTree.update();
  }
  /* Clear all existing nodes from the tree model and rebuild from scratch.
   */
  protected void refreshTree() {

    DefaultMutableTreeNode propertiesNode;
    DefaultMutableTreeNode leaf;

    // First clear the existing tree by simply enumerating
    // over the root node's children and removing them one by one.
    while (treeModel.getChildCount(rootNode) > 0) {
      DefaultMutableTreeNode child = (DefaultMutableTreeNode) treeModel.getChild(rootNode, 0);

      treeModel.removeNodeFromParent(child);
      child.removeAllChildren();
      child.removeFromParent();
    }

    treeModel.nodeStructureChanged(rootNode);
    treeModel.reload();
    tScrollPane.repaint();

    // Now rebuild the tree below its root
    try {

      // Start by naming the root node from its URL:
      rootNode.setUserObject(dMeta.getURL());

      // get metadata about user tables by building a vector of table names
      String usertables[] = {"TABLE", "GLOBAL TEMPORARY", "VIEW"};
      ResultSet result = dMeta.getTables(null, null, null, usertables);
      Vector tables = new Vector();

      // [email protected] Added remarks.
      Vector remarks = new Vector();

      while (result.next()) {
        tables.addElement(result.getString(3));
        remarks.addElement(result.getString(5));
      }

      result.close();

      // For each table, build a tree node with interesting info
      for (int i = 0; i < tables.size(); i++) {
        String name = (String) tables.elementAt(i);
        DefaultMutableTreeNode tableNode = makeNode(name, rootNode);
        ResultSet col = dMeta.getColumns(null, null, name, null);

        // [email protected] Added remarks.
        String remark = (String) remarks.elementAt(i);

        if ((remark != null) && !remark.trim().equals("")) {
          makeNode(remark, tableNode);
        }

        // With a child for each column containing pertinent attributes
        while (col.next()) {
          String c = col.getString(4);
          DefaultMutableTreeNode columnNode = makeNode(c, tableNode);
          String type = col.getString(6);

          makeNode("Type: " + type, columnNode);

          boolean nullable = col.getInt(11) != DatabaseMetaData.columnNoNulls;

          makeNode("Nullable: " + nullable, columnNode);
        }

        col.close();

        DefaultMutableTreeNode indexesNode = makeNode("Indices", tableNode);
        ResultSet ind = dMeta.getIndexInfo(null, null, name, false, false);
        String oldiname = null;

        // A child node to contain each index - and its attributes
        while (ind.next()) {
          DefaultMutableTreeNode indexNode = null;
          boolean nonunique = ind.getBoolean(4);
          String iname = ind.getString(6);

          if ((oldiname == null || !oldiname.equals(iname))) {
            indexNode = makeNode(iname, indexesNode);

            makeNode("Unique: " + !nonunique, indexNode);

            oldiname = iname;
          }

          // And the ordered column list for index components
          makeNode(ind.getString(9), indexNode);
        }

        ind.close();
      }

      // Finally - a little additional metadata on this connection
      propertiesNode = makeNode("Properties", rootNode);

      makeNode("User: " + dMeta.getUserName(), propertiesNode);
      makeNode("ReadOnly: " + cConn.isReadOnly(), propertiesNode);
      makeNode("AutoCommit: " + cConn.getAutoCommit(), propertiesNode);
      makeNode("Driver: " + dMeta.getDriverName(), propertiesNode);
      makeNode("Product: " + dMeta.getDatabaseProductName(), propertiesNode);
      makeNode("Version: " + dMeta.getDatabaseProductVersion(), propertiesNode);
    } catch (SQLException se) {
      propertiesNode = makeNode("Error getting metadata:", rootNode);

      makeNode(se.getMessage(), propertiesNode);
      makeNode(se.getSQLState(), propertiesNode);
    }

    treeModel.nodeStructureChanged(rootNode);
    treeModel.reload();
    tScrollPane.repaint();
  }