javax.jdo.annotations

Annotation Type Version

@Target(value=TYPE)
 @Retention(value=RUNTIME)
public @interface Version

Annotation for the versioning of the class. Corresponds to the xml element "version" of the "class" and "property" elements.

Since:

2.1

Version:

2.1

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
String	column Name of the column for the version.
Column[]	columns The column(s) making up the version.
String	customStrategy Custom strategy for versioning of objects of this class.
Extension[]	extensions Vendor extensions.
String	indexed Whether the version column(s) is(are) indexed.
VersionStrategy	strategy Strategy for versioning of objects of this class.

Element Detail

strategy

public abstract VersionStrategy strategy

Strategy for versioning of objects of this class.

Returns:

the strategy for versioning objects of this class

Default:

javax.jdo.annotations.VersionStrategy.UNSPECIFIED

customStrategy

public abstract String customStrategy

Custom strategy for versioning of objects of this class. If customStrategy is non-empty, strategy must be UNSPECIFIED.

Returns:

the custom strategy for versioning objects of this class

Default:

""

column

public abstract String column

Name of the column for the version.

Returns:

the name of the column for the version

Default:

""

indexed

public abstract String indexed

Whether the version column(s) is(are) indexed.

Returns:

whether the version column(s) is(are) indexed

Default:

""

columns

public abstract Column[] columns

The column(s) making up the version.

Returns:

the column(s) making up the version

Default:

{}

extensions

public abstract Extension[] extensions

Vendor extensions.

Returns:

the vendor extensions

Default:

{}