Package com.illumon.iris.binarystore

Interface ExpirationManager<T>

Type Parameters:

T - the type of value that this expiration manager holds

All Known Implementing Classes:

BaseExpiration, DailyExpiration, DayAndHourExpiration, ExpirationManager.StaticExpiration, HourlyExpiration

@InternalUseOnly
public interface ExpirationManager<T>

Manage a value that changes after a certain period of time.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static class	ExpirationManager.StaticExpiration<T>	Static value - does not expire.

Method Summary

Modifier and Type	Method	Description
T	get(long now)	Get the value of this ExpirationManager for the given time.
default T	initialize(long now)	The value for the given time, assuming it is the first access.

Method Details

get

T get(long now)

Get the value of this ExpirationManager for the given time. It is assumed that times passed in will be monotonically increasing.

Parameters:

now - the result of System.currentTimeInMillis.

Returns:

the value corresponding to the given time

initialize

default T initialize(long now)

The value for the given time, assuming it is the first access. Certain implementations generate different values for the initialized time vs. after an expiration.

Parameters:

now - the result of System.currentTimeInMillis.

Returns:

the value corresponding to the given initialization time