public abstract class SingleObjectCache<T>
extends java.lang.Object
Modifier and Type | Field | Description |
---|---|---|
protected long |
lastRefreshTimestamp |
Modifier | Constructor | Description |
---|---|---|
protected |
SingleObjectCache(TimeValue refreshInterval,
T initialValue) |
Modifier and Type | Method | Description |
---|---|---|
T |
getOrRefresh() |
Returns the currently cached object and potentially refreshes the cache before returning.
|
protected boolean |
needsRefresh() |
Returns
true iff the cache needs to be refreshed. |
protected abstract T |
refresh() |
Returns a new instance to cache
|
public T getOrRefresh()
protected abstract T refresh()
protected boolean needsRefresh()
true
iff the cache needs to be refreshed.