org.ff4j.utils

Class JdbcUtils

java.lang.Object

org.ff4j.utils.JdbcUtils

public class JdbcUtils
extends Object

Group utilities methods to work with low-level JDBC.

Author:

Cedrick Lunven (@clunven)

Method Summary

Modifier and Type	Method and Description
static PreparedStatement	buildStatement(Connection sqlConn, String query, String... params) Build PreparedStatement from parameters
static void	closeConnection(Connection sqlConnection) Return connection to pool.
static void	closeConnection(Connection sqlConnection, Boolean previousAutoCommit) Restore previous autoCommit setting and return connection to pool.
static void	closeResultSet(ResultSet rs) Close resultset.
static void	closeStatement(PreparedStatement ps) Utility method to close statement properly.
static void	closeStatement(Statement ps) Utility method to close statement properly.
static void	executeUpdate(DataSource ds, String sqlQuery) Create table based on SQL.
static boolean	isTableExist(DataSource ds, String tableName) Check if target Table exist.
static void	rollback(Connection sqlConn) Utility method to perform rollback in correct way.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

isTableExist

public static boolean isTableExist(DataSource ds,
                                   String tableName)

Check if target Table exist.

Parameters:

tableName - table to create

Returns:

if the table exist or not

executeUpdate

public static void executeUpdate(DataSource ds,
                                 String sqlQuery)

Create table based on SQL.

Parameters:

sqlQuery - sql query

buildStatement

public static PreparedStatement buildStatement(Connection sqlConn,
                                               String query,
                                               String... params)
                                        throws SQLException

Build PreparedStatement from parameters

Parameters:

query - query template

params - current parameters

Returns:

working PreparedStatement

Throws:

SQLException - sql error when working with statement

closeResultSet

public static void closeResultSet(ResultSet rs)

Close resultset.

Parameters:

rs - target resultset

closeStatement

public static void closeStatement(PreparedStatement ps)

Utility method to close statement properly.

Parameters:

ps -

closeStatement

public static void closeStatement(Statement ps)

Utility method to close statement properly.

Parameters:

ps -

closeConnection

public static void closeConnection(Connection sqlConnection,
                                   Boolean previousAutoCommit)

Restore previous autoCommit setting and return connection to pool.

Parameters:

sqlConnection -

previousAutoCommit - original autoCommit setting of sqlConnection. Ignored when null

closeConnection

public static void closeConnection(Connection sqlConnection)

Return connection to pool.

Parameters:

sqlConnection -

rollback

public static void rollback(Connection sqlConn)

Utility method to perform rollback in correct way.

Parameters:

sqlConn - current sql connection