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

JDBCUtils()

Method Summary

static int	getJDBCTypeForName(String typeName) Method to return the type given the "jdbc-type" name.
static int[]	getJDBCTypes() Accessor for the JDBC types.
static String	getNameForJDBCType(int jdbcType) Accessor for a string name of a JDBC Type
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

getJDBCTypes

public static final int[] getJDBCTypes()

Accessor for the JDBC types.

Returns:

JDBC types.

getNameForJDBCType

public static String getNameForJDBCType(int jdbcType)

Accessor for a string name of a JDBC Type

Parameters:

jdbcType - The JDBC Type

Returns:

The name

getJDBCTypeForName

public static int getJDBCTypeForName(String typeName)

Method to return the type given the "jdbc-type" name.

Parameters:

typeName - "jdbc-type" name

Returns:

Whether it is valid

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