org.datanucleus.store.rdbms

Class JDBCUtils

java.lang.Object

org.datanucleus.store.rdbms.JDBCUtils

public class JDBCUtils
extends Object

Convenience helper for JDBC.

Constructor Summary

Constructors

Constructor and Description
JDBCUtils()

Method Summary

Modifier and Type	Method and Description
static String	getSubprotocolForURL(String url) Method to return the "subprotocol" for a JDBC URL.
static void	logWarnings(Connection conn) Utility to log all warning for the specified Connection.
static void	logWarnings(ResultSet rs) Utility to log all warning for the specified ResultSet.
static void	logWarnings(SQLWarning warning) Logs SQL warnings to the common log.
static void	logWarnings(Statement stmt) Utility to log all warning for the specified Statement.

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

getSubprotocolForURL

public static String getSubprotocolForURL(String url)

Method to return the "subprotocol" for a JDBC URL. A JDBC URL is made up of "jdbc:{subprotocol}:...". For example, "jdbc:mysql:..." or "jdbc:hsqldb:...".

Parameters:

url - The JDBC URL

Returns:

The subprotocol

logWarnings

public static void logWarnings(SQLWarning warning)

Logs SQL warnings to the common log. Should be called after any operation on a JDBC Statement or ResultSet object.

Parameters:

warning - the value returned from getWarnings().

logWarnings

public static void logWarnings(Connection conn)

Utility to log all warning for the specified Connection.

Parameters:

conn - The connection to the datastore

logWarnings

public static void logWarnings(Statement stmt)

Utility to log all warning for the specified Statement.

Parameters:

stmt - The statement

logWarnings

public static void logWarnings(ResultSet rs)

Utility to log all warning for the specified ResultSet.

Parameters:

rs - The ResultSet