Class Upgrade

java.lang.Object

org.h2.tools.Upgrade

public final class Upgrade
extends Object

Upgrade utility.

Field Summary

Fields

Modifier and Type	Field	Description
private static final String[]	CHECKSUMS
private static final String	REPOSITORY

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Upgrade()

Method Summary

Modifier and Type	Method	Description
private static byte[]	check(byte[] data, String sha256Checksum, String checksummedFile)
private static String	copyProperty(ConnectionInfo ci, StringBuilder oldUrl, String name)
private static byte[]	download(String fileURL, String sha256Checksum)
private static byte[]	downloadUsingMaven(String group, String artifact, String version, String sha256Checksum)
private static int	exec(ArrayList<String> args)
private static String	getSHA256(byte[] data)
static Driver	loadH2(int version)	Loads the specified version of H2 in a separate class loader.
private static void	rename(String name, boolean back)
private static void	rename(String name, String suffix, boolean back)
static void	unloadH2(Driver driver)	Unloads the specified driver of H2.
static boolean	upgrade(String url, Properties info, int version)	Performs database upgrade from an older version of H2.

Methods inherited from class Object

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

Field Details

CHECKSUMS

private static final String[] CHECKSUMS

REPOSITORY

private static final String REPOSITORY

See Also:

• Constant Field Values

Constructor Details

Upgrade

private Upgrade()

Method Details

upgrade

public static boolean upgrade(String url,
 Properties info,
 int version)
                       throws Exception

Performs database upgrade from an older version of H2.

Parameters:

url - the JDBC connection URL

info - the connection properties ("user", "password", etc).

version - the old version of H2

Returns:

true on success, false if URL is a remote or in-memory URL

Throws:

Exception - on failure

rename

private static void rename(String name,
 boolean back)
                    throws IOException

Throws:

IOException

rename

private static void rename(String name,
 String suffix,
 boolean back)
                    throws IOException

Throws:

IOException

copyProperty

private static String copyProperty(ConnectionInfo ci,
 StringBuilder oldUrl,
 String name)

loadH2

public static Driver loadH2(int version)
                     throws IOException,
ReflectiveOperationException

Loads the specified version of H2 in a separate class loader.

Parameters:

version - the version to load

Returns:

the driver of the specified version

Throws:

IOException - on I/O exception

ReflectiveOperationException - on exception during initialization of the driver

unloadH2

public static void unloadH2(Driver driver)
                     throws ReflectiveOperationException

Unloads the specified driver of H2.

Parameters:

driver - the driver to unload

Throws:

ReflectiveOperationException - on exception

downloadUsingMaven

private static byte[] downloadUsingMaven(String group,
 String artifact,
 String version,
 String sha256Checksum)
                                  throws IOException

Throws:

IOException

exec

private static int exec(ArrayList<String> args)

download

private static byte[] download(String fileURL,
 String sha256Checksum)

check

private static byte[] check(byte[] data,
 String sha256Checksum,
 String checksummedFile)

getSHA256

private static String getSHA256(byte[] data)