Package com.palantir.atlasdb.coordination

Interface ValueAndBound<T>

@Immutable
public interface ValueAndBound<T>

A pair of an optionally present value and a bound indicating that the value is valid for events at timestamps up to the bound, inclusive. In some embodiments this bound may be an AtlasDB timestamp. If a decision is to be made based on an event (such as a transaction) happening at some timestamp, then this value should only be used to make the decision if it is still valid at that timestamp (i.e. the bound is greater than or equal to that timestamp).

Field Summary

Fields

Modifier and Type	Field	Description
static long	INVALID_BOUND

Method Summary

Modifier and Type	Method	Description
long	bound()
static <T> ValueAndBound<T>	of(Optional<T> value, long bound)
static <T> ValueAndBound<T>	of(T value, long bound)
Optional<T>	value()

Field Detail

INVALID_BOUND

static final long INVALID_BOUND

See Also:

Constant Field Values

Method Detail

value

@Parameter
Optional<T> value()

bound

@Parameter
long bound()

of

static <T> ValueAndBound<T> of(Optional<T> value,
                               long bound)

of

static <T> ValueAndBound<T> of(T value,
                               long bound)