oracle.jbo.server.xml
Interface VersionHandler

public interface VersionHandler

Method Summary

VersionTag[]	getElementsSupported() Informs the VersionManager about all the VersionTags that this VersionHandler can upgrade.
DefElement	processElement(int elementTag, DefElement elem, short fromMajorVer, short fromMinorVer, short toMajorVer, short toMinorVer) Upgrades an old XML element on to new Version

Method Detail

processElement

public DefElement processElement(int elementTag,
                                 DefElement elem,
                                 short fromMajorVer,
                                 short fromMinorVer,
                                 short toMajorVer,
                                 short toMinorVer)
                          throws VersionProcessException

Upgrades an old XML element on to new Version

Parameters:

elementTag - Predefined XMLTag. All the Element atgs are defined in VersionUtil class

elem - The XMLElement that needs to be updated

fromMajorVer - The Current Major Version of the Element

fromMinorVer - The Current Minor Version of the Element

toMajorVer - The Current Major Version of JBO

toMinorVer - The Current Minor Version of JBO

Returns:

Returns the Modified Element

Throws:

Throws - VersionProcessException when failed to convert Element to the Current JBO Version

VersionProcessException

getElementsSupported

public VersionTag[] getElementsSupported()

Informs the VersionManager about all the VersionTags that this VersionHandler can upgrade. Typically One Versionhandler upgrades One Element Type from one version to the other. But the programmers of the VersionHandlers may choose to support multiple ElementTag Conversions.

Returns:

Returns the the Array of Version Tags Supported