@Documented @Constraint(validatedBy=GtinValidator.class) @Target(value={METHOD,FIELD,ANNOTATION_TYPE,CONSTRUCTOR,PARAMETER}) @Retention(value=RUNTIME) @AlternateSize(size1=8, size2=13) @Digits(integer=13, fraction=0) public @interface Gtin
null elements
are considered valid.public abstract String message
public abstract Class<?>[] groups
public abstract Class<? extends javax.validation.Payload>[] payload
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