| /* |
| * Copyright (c) 2002, 2018 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0, which is available at |
| * http://www.eclipse.org/legal/epl-2.0. |
| * |
| * This Source Code may also be made available under the following Secondary |
| * Licenses when the conditions for such availability set forth in the |
| * Eclipse Public License v. 2.0 are satisfied: GNU General Public License, |
| * version 2 with the GNU Classpath Exception, which is available at |
| * https://www.gnu.org/software/classpath/license.html. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 |
| */ |
| |
| import java.sql.*; |
| |
| public class SampleExternalMethods { |
| |
| /** |
| * Counts rows in the coffee table. |
| * This is the procedure body for COUNTCOFFEE procedure. |
| */ |
| public static void countCoffee (int[] count) throws Exception { |
| Connection conn = null; |
| Statement stmt = null; |
| |
| try { |
| conn = DriverManager.getConnection("jdbc:default:connection"); |
| |
| stmt = conn.createStatement(); |
| ResultSet rs = stmt.executeQuery ("select count(*) from coffee"); |
| |
| if (rs.next()) { |
| count[0] = rs.getInt(1); |
| } |
| |
| rs.close(); |
| stmt.close(); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| throw e; |
| } finally { |
| if (stmt != null) |
| try { |
| stmt.close(); |
| } catch (Exception e) { } |
| if (conn != null) |
| try { |
| stmt.close(); |
| } catch (Exception e) { } |
| } |
| } |
| |
| /** |
| * Inserts a row in the coffee table. |
| * This is the procedure body for INSERTCOFFEE procedure. |
| */ |
| public static void insertCoffee (String name, int qty) throws Exception { |
| Connection conn = null; |
| PreparedStatement stmt = null; |
| |
| try { |
| conn = DriverManager.getConnection("jdbc:default:connection"); |
| stmt = conn.prepareStatement("insert into coffee values (?, ?)"); |
| stmt.setString (1, name); |
| stmt.setInt (2, qty); |
| |
| stmt.executeUpdate (); |
| conn.commit(); |
| |
| } catch (Exception e) { |
| e.printStackTrace(); |
| throw e; |
| } finally { |
| if (stmt != null) |
| try { |
| stmt.close(); |
| } catch (Exception e) { } |
| if (conn != null) |
| try { |
| stmt.close(); |
| } catch (Exception e) { } |
| } |
| } |
| } |