er.extensions.foundation
Class ERXLazyValue.TimedInvalidator

java.lang.Object
  er.extensions.foundation.ERXLazyValue.TimedInvalidator

All Implemented Interfaces:

ERXLazyValue.Invalidator

Enclosing class:

ERXLazyValue<T>

public static class ERXLazyValue.TimedInvalidator
extends java.lang.Object
implements ERXLazyValue.Invalidator

TimedInvalidator specifies that the cached value should be invalidated after a specified duration. When the value is refetched, the timer is restarted.

Author:

mschrag

Constructor Summary

ERXLazyValue.TimedInvalidator(long timeToLiveInMillis)
Constructs a new TimedInvalidator.

Method Summary

void	fetchedValue(java.lang.Object value) Called when the lazy value is refetched from the source.
boolean	shouldInvalidate() Returns whether or not the lazy value should invalidate its cache.

Methods inherited from class java.lang.Object

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

Constructor Detail

ERXLazyValue.TimedInvalidator

public ERXLazyValue.TimedInvalidator(long timeToLiveInMillis)

Constructs a new TimedInvalidator.

Parameters:

timeToLiveInMillis - the time-to-live in milliseconds

Method Detail

fetchedValue

public void fetchedValue(java.lang.Object value)

Description copied from interface: ERXLazyValue.Invalidator

Called when the lazy value is refetched from the source.

Specified by:

fetchedValue in interface ERXLazyValue.Invalidator

Parameters:

value - the new value

shouldInvalidate

public boolean shouldInvalidate()

Description copied from interface: ERXLazyValue.Invalidator

Returns whether or not the lazy value should invalidate its cache.

Specified by:

shouldInvalidate in interface ERXLazyValue.Invalidator

Returns:

whether or not the lazy value should invalidate its cache