org.apache.beam.sdk.options

Annotation Type Validation.Required

@Target(value=METHOD)
 @Retention(value=RUNTIME)
 @Documented
public static @interface Validation.Required

This criteria specifies that the value must be not null. Note that this annotation should only be applied to methods that return nullable objects.

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
java.lang.String[]	groups The groups that the annotated attribute is a member of.

Element Detail

groups

public abstract java.lang.String[] groups

The groups that the annotated attribute is a member of. A member can be in 0 or more groups. Members not in any groups are considered to be in a group consisting exclusively of themselves. At least one member of a group must be non-null if the options are to be valid.

Default:

{}