/** * Convenience method for selecting records. Ideally this should not be use, instead a custom * query for this table should be used. * * @param where sql where statement. * @param orderBy sql order by statement */ public ResultSet select(String where, String orderBy) { ResultSet rs = null; java.sql.Statement stmnt = null; try { stmnt = GenOrmDataSource.createStatement(); StringBuilder sb = new StringBuilder(); sb.append(SELECT); sb.append(FROM); if (where != null) { sb.append(WHERE); sb.append(where); } if (orderBy != null) { sb.append(" "); sb.append(orderBy); } String query = sb.toString(); rs = new SQLResultSet(stmnt.executeQuery(query), query, stmnt); } catch (java.sql.SQLException sqle) { try { if (stmnt != null) stmnt.close(); } catch (java.sql.SQLException sqle2) { } throw new GenOrmException(sqle); } return (rs); }
/** * Closes any underlying java.sql.Result set and java.sql.Statement that was used to create this * results set. */ public void close() { try { m_resultSet.close(); m_statement.close(); } catch (java.sql.SQLException sqle) { throw new GenOrmException(sqle); } }
/** * This resets the key generator from the values in the database Usefull if the generated key * has been modified via some other means Connection must be open before calling this */ public synchronized void reset() { m_nextKey = 0; java.sql.Statement stmnt = null; java.sql.ResultSet rs = null; try { stmnt = GenOrmDataSource.createStatement(); rs = stmnt.executeQuery(MAX_QUERY); if (rs.next()) m_nextKey = rs.getInt(1); } catch (java.sql.SQLException sqle) { // The exception may occur if the table does not yet exist if (WARNINGS) System.out.println(sqle); } finally { try { if (rs != null) rs.close(); if (stmnt != null) stmnt.close(); } catch (java.sql.SQLException sqle2) { throw new GenOrmException(sqle2); } } }
public DataPointKeyGenerator(javax.sql.DataSource ds) { m_nextKey = 0; java.sql.Connection con = null; java.sql.Statement stmnt = null; try { con = ds.getConnection(); con.setAutoCommit(true); stmnt = con.createStatement(); java.sql.ResultSet rs = stmnt.executeQuery(MAX_QUERY); if (rs.next()) m_nextKey = rs.getInt(1); rs.close(); } catch (java.sql.SQLException sqle) { // The exception may occur if the table does not yet exist if (WARNINGS) System.out.println(sqle); } finally { try { if (stmnt != null) stmnt.close(); if (con != null) con.close(); } catch (java.sql.SQLException sqle) { } } }