private List<VersionManifest> findFromMapQuery(Map<String, String> map) throws SQLException { if (conn.isClosed()) throw new SQLException("Connection is closed, cannot find record"); String where = ""; String col; String[] values = new String[map.size()]; Iterator<String> colIter = map.keySet().iterator(); for (int i = 0; i < map.size(); i++) { col = colIter.next(); values[i] = map.get(col); where += col + " = ?"; if (i < map.size() - 1) where += " AND "; } String query = "SELECT * FROM " + config.get(CONFIG_TABLENAME) + " WHERE " + where; PreparedStatement stmt = this.conn.prepareStatement(query); for (int i = 0; i < values.length; i++) { stmt.setString(i + 1, values[i]); } ResultSet rs = stmt.executeQuery(); List<VersionManifest> mpvList = VersionManifest.fromResultSet(rs); rs.close(); return mpvList; }
public boolean isClosed() throws SQLException { if (bNotInUse) { return true; } else { return con.isClosed(); } }
public void init(int startIndex, int endIndex, String updateDate) throws SQLException { if (connection == null || connection.isClosed()) { connection = getConnection(); } if (startIndex != 0 && endIndex != 0) { bibQuery = "SELECT * FROM OLE_DS_BIB_T WHERE BIB_ID BETWEEN " + startIndex + " AND " + endIndex + " ORDER BY BIB_ID"; } else if (StringUtils.isNotEmpty(updateDate)) { updateDate = getDateStringForOracle(updateDate); bibQuery = "SELECT * FROM OLE_DS_BIB_T where DATE_UPDATED > '" + updateDate + "'"; } else { bibQuery = "SELECT * FROM OLE_DS_BIB_T ORDER BY BIB_ID"; } if (!isStaffOnly) { bibQuery = bibStaffOnly; holdingsQuery = holdingsQuery + staffOnlyHoldings; itemQuery = itemQuery + staffOnlyItem; } fetchCallNumberType(); fetchReceiptStatus(); fetchAuthenticationType(); fetchItemType(); fetchItemStatus(); fetchStatisticalSearchCode(); fetchExtentOfOwnershipType(); bibConnection = getConnection(); holdingsConnection = getConnection(); itemConnection = getConnection(); bibConnection.setAutoCommit(false); bibStatement = bibConnection.createStatement(ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY); if (dbVendor.equalsIgnoreCase("oracle")) { bibStatement.setFetchSize(1); } else if (dbVendor.equalsIgnoreCase("mysql")) { bibStatement.setFetchSize(Integer.MIN_VALUE); } bibResultSet = bibStatement.executeQuery(bibQuery); holdingsPreparedStatement = holdingsConnection.prepareStatement(holdingsQuery); itemPreparedStatement = itemConnection.prepareStatement(itemQuery); String insertQuery = "INSERT INTO OLE_DS_BIB_INFO_T(BIB_ID, BIB_ID_STR, TITLE, AUTHOR, PUBLISHER, ISXN) VALUES (?,?,?,?,?,?)"; bibInsertPreparedStatement = connection.prepareStatement(insertQuery); String updateQuery = "UPDATE OLE_DS_BIB_INFO_T SET TITLE=?, AUTHOR=?, PUBLISHER=?, ISXN=?, BIB_ID_STR=? WHERE BIB_ID=?"; bibUpdatePreparedStatement = connection.prepareStatement(updateQuery); }
public boolean isDbConnected() { try { return !connector.isClosed(); } catch (SQLException ex) { ex.printStackTrace(); return false; } }
/** Destroy a connection */ private void destroyConnection() throws ConnectionException, SQLException { if (connection == null || connection.isClosed()) { throw new ConnectionException("no connection"); } connection.close(); connection = null; }
public void close() throws DBIException { try { if (!conn.isClosed()) { conn.close(); } } catch (SQLException e) { throw new DBIException(e); } }
/** @param dbConnection Connection */ public static void closeConnection(Connection dbConnection) { try { if (dbConnection != null && (!dbConnection.isClosed())) { dbConnection.close(); } } catch (SQLException sqlEx) { sqlEx.printStackTrace(); } }
public void cierraConexion(Connection cn) { try { if (cn != null && !cn.isClosed()) { cn.close(); } } catch (SQLException e) { e.printStackTrace(); } }
public void close() { if (dbConn != null) try { if (!dbConn.isClosed()) dbConn.close(); } catch (Exception ex) { System.out.println( (new StringBuilder("close sdb connection false:")).append(ex.getMessage()).toString()); } }
public static void closeConn() { try { if (_conn != null & _conn.isClosed()) { _conn.close(); } } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } }
/** * Creates a connection to the database at the given host. * * @param host The host to connect to * @param dbName The name of the database to connect to */ private void createConnection(String host, String dbName, String userName, String password) throws SQLException, ConnectionException { if (connection != null) { if (!connection.isClosed()) { throw new ConnectionException("connection already exists"); } } connection = DriverManager.getConnection("jdbc:mysql://" + host + "/" + dbName, userName, password); }
/** @return connection */ public Connection getConnection() { try { if (connection == null || connection.isClosed()) { initialize(); } } catch (SQLException e) { initialize(); } return connection; }
/** * 获取对数据库的 连接 * * @return * @throws Exception */ public Connection getConn() throws Exception { String driver = "com.mysql.jdbc.Driver"; String url = "jdbc:mysql://localhost:3306/fetchResults"; String user = "******"; String password = "******"; Class.forName(driver); Connection conn = DriverManager.getConnection(url, user, password); if (conn.isClosed()) System.out.println("False connecting to the Database!"); return conn; }
protected boolean isInnerClose() { try { if (con == null) { return true; } return con.isClosed(); } catch (SQLException ex) { return true; } }
public void close() { try { if (connection != null && !connection.isClosed()) { connection.close(); } } catch (SQLException ignored) { } connection = null; }
/** 关闭连接 */ public static final void closeConnection() { Connection conn = conns.get(); try { if (conn != null && !conn.isClosed()) { conn.setAutoCommit(true); conn.close(); connectionContext.remove(Thread.currentThread().getId()); } } catch (SQLException e) { log.error("Unabled to close connection!!! ", e); } conns.set(null); }
public boolean validateObject(Object arg0) { boolean validated = true; if (arg0 instanceof Connection) { Connection connection = (Connection) arg0; if (connection instanceof AuthingableConnection) { AuthingableConnection authConn = (AuthingableConnection) connection; validated = validated && authConn.isAuthenticated(); } validated = validated && !connection.isClosed(); } else { validated = false; } return validated; }
/** * Updates all records (should only ever be one match however) matching the values found in * matchMap with the values found in updateMap. * * @param matchMap Map of the key-value pairs to match in the database. * @param updateMap Map of the key-value pairs to update in the matching record. * @throws SQLException */ private void updateRecordFromMapQuery(Map<String, String> matchMap, Map<String, String> updateMap) throws SQLException { if (conn.isClosed()) throw new SQLException("Connection is closed, cannot add record"); String matchString = ""; String updateString = ""; Iterator<String> matchIter = matchMap.keySet().iterator(); Iterator<String> updateIter = updateMap.keySet().iterator(); // Dynamically create the column string for updating and // add the proper amount of IN variables for the query while (updateIter.hasNext()) { updateString += updateIter.next() + "=?"; if (updateIter.hasNext()) { updateString += ", "; } } // System.out.println("update string: " + updateString); // Dynamically create the column string for matching and // add the proper amount of IN variables for the query while (matchIter.hasNext()) { matchString += matchIter.next() + "=?"; if (matchIter.hasNext()) { matchString += " AND "; } } // System.out.println("match string: " + matchString); String query = "UPDATE " + config.get(CONFIG_TABLENAME) + " SET " + updateString + " WHERE " + matchString + ";"; PreparedStatement stmt = this.conn.prepareStatement(query); Iterator<String> valueIter1 = updateMap.values().iterator(); Iterator<String> valueIter2 = matchMap.values().iterator(); // add the values to the prepared statement for (int i = 1; i < updateMap.size() + 1; i++) { stmt.setString(i, valueIter1.next()); } for (int i = 1; i < matchMap.size() + 1; i++) { stmt.setString(i + updateMap.size(), valueIter2.next()); } System.out.println("Rows updated: " + stmt.executeUpdate()); }
private List<VersionManifest> findAllQuery() throws SQLException { if (conn.isClosed()) throw new SQLException("Connection is closed, cannot find records"); String query = "SELECT * FROM " + config.get(CONFIG_TABLENAME); PreparedStatement stmt = this.conn.prepareStatement(query); ResultSet rs = stmt.executeQuery(); List<VersionManifest> mpvList = VersionManifest.fromResultSet(rs); rs.close(); return mpvList; }
/** 現在のトランザクションをコミットする */ public void commit() { Log.info("--- start commit transactin ---"); if (con != null) { try { if (!con.isClosed()) { con.commit(); con.close(); } } catch (Exception e) { Log.warning("fail commit transaction : " + e.getLocalizedMessage()); } con = null; } Log.info("--- end commit transactin ---"); }
/** * Returns true if the connection is open * * @return true if the connection is open. false if not. */ public boolean getIsConnected() { if (connection == null) { return false; } else { try { if (connection.isClosed()) { return false; } } catch (SQLException e) { return false; } } return true; }
public Connection getConnection() { try { if (connection == null || connection.isClosed()) { loadJdbcDriver(); connection = DriverManager.getConnection( GeneratorProperties.getRequiredProperty("jdbc.url"), GeneratorProperties.getRequiredProperty("jdbc.username"), GeneratorProperties.getProperty("jdbc.password")); } return connection; } catch (SQLException e) { throw new RuntimeException(e); } }
public static Connection getConnection(Connection c) throws Exception { Connection conn = c; if (c != null && !c.isClosed()) { return c; } else { Class clazz = Class.forName("org.luciddb.jdbc.LucidDbLocalDriver"); LucidDbLocalDriver driver = (LucidDbLocalDriver) clazz.newInstance(); String urlPrefix = driver.getUrlPrefix(); Properties props = new Properties(); props.setProperty("user", "sa"); props.setProperty("password", ""); props.setProperty("requireExistingEngine", "true"); c = DriverManager.getConnection(urlPrefix, props); } return c; }
public static final Connection getConnection() throws SQLException { Connection conn = conns.get(); if (conn == null || conn.isClosed()) { conn = _getConnection(); if (conn == null) throw new SQLException("Unabled to get connection."); conns.set(conn); // RequestContext ctx = RequestContext.get(); // connectionContext.put( // Thread.currentThread().getId(), // new ConnectionContext(new Exception(), (ctx != null) ? ctx // .ip() : null, (ctx != null) ? ctx.uri() : null, // (ctx != null) ? ctx.request().getParameterMap() // : null)); } return (show_sql && !Proxy.isProxyClass(conn.getClass())) ? new _DebugConnection(conn).getConnection() : conn; }
public ProfileServlet() { String driver = "com.mysql.jdbc.Driver"; String url = "jdbc:mysql://127.0.0.1:3306/project34?useUnicode=true&characterEncoding=utf-8"; String user = "******"; String password = "******"; try { Class.forName(driver); conn = DriverManager.getConnection(url, user, password); if (!conn.isClosed()) System.out.println("Succeeded connecting to the Database!"); } catch (ClassNotFoundException e) { System.out.println("Sorry,can`t find the Driver!"); e.printStackTrace(); } catch (SQLException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } }
private void connect() throws SQLException { if (connection != null) { try { connection.createStatement().execute("SELECT 1;"); } catch (SQLException sqlException) { if (sqlException.getSQLState().equals("08S01")) { try { connection.close(); } catch (SQLException ignored) { } } } } if (connection == null || connection.isClosed()) { connection = DriverManager.getConnection(connectionUri, username, password); } }
/** * Fires a new connection event on all listeners. * * @param closed <code>true</code> if <code>close</code> has been called on the connection; <code> * false</code> if the <code>sqlException</code> represents an error where the connection may * not longer be used. * @param sqlException the SQLException to pass to the listeners */ public synchronized void fireConnectionEvent(boolean closed, SQLException sqlException) { if (listeners.size() > 0) { ConnectionEvent connectionEvent = new ConnectionEvent(this, sqlException); Iterator iterator = listeners.iterator(); while (iterator.hasNext()) { ConnectionEventListener listener = (ConnectionEventListener) iterator.next(); if (closed) { listener.connectionClosed(connectionEvent); } else { try { if (connection == null || connection.isClosed()) { listener.connectionErrorOccurred(connectionEvent); } } catch (SQLException ex) { // Will never occur } } } } }
private void addRecordFromMapQuery(Map<String, String> colMap) throws SQLException { if (conn.isClosed()) throw new SQLException("Connection is closed, cannot add record"); String colString = ""; String valString = ""; Iterator<String> colIter = colMap.keySet().iterator(); // Dynamically create the column string for inserting and // add the proper amount of IN variables for the query while (colIter.hasNext()) { colString += colIter.next(); valString += "?"; // IN variable for statement if (colIter.hasNext()) { colString += ", "; valString += ", "; } } String query = "INSERT INTO " + config.get(CONFIG_TABLENAME) + "(" + colString + ")" + "VALUES (" + valString + ");"; PreparedStatement stmt = this.conn.prepareStatement(query); Iterator<String> valueIter = colMap.values().iterator(); // add the values to the prepared statement for (int i = 1; i < colMap.size() + 1; i++) { stmt.setString(i, valueIter.next()); } stmt.executeUpdate(); }
public Connection getConn() { try { if (conn == null || conn.isClosed()) { conn = DriverManager.getConnection( "jdbc:mysql://" + host + ":" + port + "/" + db + "?user="******"&password=" + pass); cantCon++; } } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } return conn; }
public List<Tax> getTaxTableData() { List<Tax> taxList = new ArrayList<Tax>(); Connection conn = getConnection.connection(); Statement stmt = null; ResultSet rs = null; try { stmt = conn.createStatement(); rs = stmt.executeQuery("SELECT * FROM tax_table"); while (rs.next()) { Tax tax = new Tax(); tax.setId(conUtil.convertStringToInteger(rs.getString("id"))); tax.setStatus(rs.getString("status")); tax.setTaxRate1(conUtil.convertStringToDouble(rs.getString("taxRate1"))); tax.setTaxRate2(conUtil.convertStringToDouble(rs.getString("taxRate2"))); tax.setTaxRate3(conUtil.convertStringToDouble(rs.getString("taxRate3"))); tax.setTaxRate4(conUtil.convertStringToDouble(rs.getString("taxRate4"))); tax.setTaxRate5(conUtil.convertStringToDouble(rs.getString("taxRate5"))); tax.setTaxRate6(conUtil.convertStringToDouble(rs.getString("taxRate6"))); tax.setTaxRate7(conUtil.convertStringToDouble(rs.getString("taxRate7"))); taxList.add(tax); } } catch (SQLException ex) { Logger.getLogger(TaxDAO.class.getName()).log(Level.SEVERE, null, ex); } finally { try { if (conn != null || !conn.isClosed()) { stmt.close(); rs.close(); conn.close(); } } catch (SQLException ex) { Logger.getLogger(TaxDAO.class.getName()).log(Level.SEVERE, null, ex); } } return taxList; }