Package migratedb.v1.core.internal.jdbc

Class JdbcUtils

java.lang.Object

migratedb.v1.core.internal.jdbc.JdbcUtils

public final class JdbcUtils
extends Object

Utility class for dealing with jdbc connections.

Constructor Summary

Constructors

Constructor	Description
JdbcUtils()

Method Summary

Modifier and Type	Method	Description
static void	closeConnection(@Nullable Connection connection)	Quietly closes this connection.
static void	closeResultSet(ResultSet resultSet)	Quietly closes this resultSet.
static void	closeStatement(Statement statement)	Quietly closes this statement.
static DatabaseMetaData	getDatabaseMetaData(Connection connection)
static String	getDatabaseProductName(DatabaseMetaData databaseMetaData)
static String	getDatabaseProductVersion(DatabaseMetaData databaseMetaData)
static Connection	openConnection(ConnectionProvider dataSource, int connectRetries, int connectRetriesInterval, DatabaseTypeRegister databaseTypeRegister)	Opens a new connection from dataSource.

Methods inherited from class java.lang.Object

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

Constructor Detail

JdbcUtils

public JdbcUtils()

Method Detail

openConnection

public static Connection openConnection(ConnectionProvider dataSource,
                                        int connectRetries,
                                        int connectRetriesInterval,
                                        DatabaseTypeRegister databaseTypeRegister)
                                 throws MigrateDbException

Opens a new connection from dataSource.

Parameters:

dataSource - The data source to obtain the connection from.

connectRetries - The maximum number of retries when attempting to connect to the database.

connectRetriesInterval - The maximum time between retries in seconds

Returns:

The new connection.

Throws:

MigrateDbException - if the connection could not be opened.

closeConnection

public static void closeConnection(@Nullable Connection connection)

Quietly closes this connection. This method never throws an exception even if closing the connection fails.

closeStatement

public static void closeStatement(Statement statement)

Quietly closes this statement. This method never throws an exception even if closing the statement fails.

closeResultSet

public static void closeResultSet(ResultSet resultSet)

Quietly closes this resultSet. This method never throws an exception even if closing the result set fails.

getDatabaseMetaData

public static DatabaseMetaData getDatabaseMetaData(Connection connection)

getDatabaseProductName

public static String getDatabaseProductName(DatabaseMetaData databaseMetaData)

Returns:

The name of the database product. Example: Oracle, MySQL, ...

getDatabaseProductVersion

public static String getDatabaseProductVersion(DatabaseMetaData databaseMetaData)

Returns:

The version of the database product. Example: MariaDB 10.3, ...