com.antelmann.db
Class DBClassStoreCache.PrefetchedFilter<T>

java.lang.Object
  com.antelmann.db.DBClassStoreCache.PrefetchedFilter<T>

All Implemented Interfaces:

CascadingFilter<T>, Filter<T>

Enclosing class:

DBClassStoreCache<T extends DBEntry>

public static class DBClassStoreCache.PrefetchedFilter<T>
extends Object
implements CascadingFilter<T>

a special interface supported by the enclosing class store that indicates that only pre-fetched (cached) instances should be returned from a fetch. If no inner Filter is set, a fetch will simply return all cached entries.

Field Summary

Fields inherited from interface com.antelmann.util.Filter

EXCLUDE_ALL_FILTER, INCLUDE_ALL_FILTER

Constructor Summary

DBClassStoreCache.PrefetchedFilter()

DBClassStoreCache.PrefetchedFilter(Filter<? super T> innerFilter)

Method Summary

boolean	accept(T entry) always returns true unless an inner filter is set that doesn't accept the given entry
Filter<? super T>	getInnerFilter()
void	setInnerFilter(Filter<? super T> filter)

Methods inherited from class java.lang.Object

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

Constructor Detail

DBClassStoreCache.PrefetchedFilter

public DBClassStoreCache.PrefetchedFilter()

DBClassStoreCache.PrefetchedFilter

public DBClassStoreCache.PrefetchedFilter(Filter<? super T> innerFilter)

Method Detail

getInnerFilter

public Filter<? super T> getInnerFilter()

Specified by:

getInnerFilter in interface CascadingFilter<T>

setInnerFilter

public void setInnerFilter(Filter<? super T> filter)

Specified by:

setInnerFilter in interface CascadingFilter<T>

accept

public boolean accept(T entry)

always returns true unless an inner filter is set that doesn't accept the given entry

Specified by:

accept in interface Filter<T>