Package uk.ac.gda.services.common.endstation

Class PerishableCountDown

java.lang.Object

uk.ac.gda.services.common.endstation.PerishableCountDown

public final class PerishableCountDown
extends Object

Builds counter to generate optional count down seconds of Perishable time interval with set expiration time.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	PerishableCountDown.Builder
static final class	PerishableCountDown.EstablishedIntervalCountDownBuilder	Builds count down to the expiry of an established time interval (which may have already expired).
static final class	PerishableCountDown.ImminentExpiryCountDownBuilder	Builds count down to the expiry of a set time period to start immediately

Field Summary

Fields

Modifier and Type	Field	Description
static final int	MAX_PERMITTED_REMAINING_SECONDS

Method Summary

Modifier and Type	Method	Description
static LocalDateTime	generateFutureExpiration(int remainingTimeSeconds)
static PerishableCountDown.Builder	getCountDownBuilderForExpirationOf(Perishable perishable)	Provides Builder for head of a chained call construction of an expiring count down
static PerishableCountDown.Builder	getCountDownBuilderForImminentExpiry(int remainingSeconds)	Provides Builder for head of a chained call construction of an expiring count down
Supplier<OptionalInt>	supplyRemainingSecondsIfAny()	Seconds remaining in count down, if any, prior to cut-off

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

MAX_PERMITTED_REMAINING_SECONDS

public static final int MAX_PERMITTED_REMAINING_SECONDS

See Also:

• Constant Field Values

Method Details

supplyRemainingSecondsIfAny

public Supplier<OptionalInt> supplyRemainingSecondsIfAny()

Seconds remaining in count down, if any, prior to cut-off

Returns:

remaining seconds

getCountDownBuilderForExpirationOf

public static PerishableCountDown.Builder getCountDownBuilderForExpirationOf(Perishable perishable)

Provides Builder for head of a chained call construction of an expiring count down

Parameters:

perishable - source of expiration timing - e.g. stale Msg come in late over message bus

Returns:

builder which creates count down expiring in synch with input

getCountDownBuilderForImminentExpiry

public static PerishableCountDown.Builder getCountDownBuilderForImminentExpiry(int remainingSeconds)

Provides Builder for head of a chained call construction of an expiring count down

Parameters:

remainingSeconds - for an imminent source of expiration timing

Returns:

builder which creates count down expiring in number of seconds given by input

generateFutureExpiration

public static LocalDateTime generateFutureExpiration(int remainingTimeSeconds)