Package org.codehaus.groovy.runtime.memoize

Interface FlexibleCache<K,V>

All Superinterfaces:

EvictableCache<K,V>, Map<K,V>, MemoizeCache<K,V>

All Known Implementing Classes:

CommonCache, ConcurrentCommonCache, ConcurrentSoftCache, StampedCommonCache

public interface FlexibleCache<K,V>
extends EvictableCache<K,V>

An EvictableCache supporting a getAndPut variant with additional control over caching.

Since:

5.0.0

Nested Class Summary

Nested classes/interfaces inherited from interface org.codehaus.groovy.runtime.memoize.EvictableCache

EvictableCache.Action<K,V,R>, EvictableCache.EvictionStrategy

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K extends Object,V extends Object>

Nested classes/interfaces inherited from interface org.codehaus.groovy.runtime.memoize.MemoizeCache

MemoizeCache.ValueProvider<K,V>

Method Summary

Modifier and Type	Method	Description
V	getAndPut(K key, MemoizeCache.ValueProvider<? super K,? extends V> valueProvider, boolean shouldCache)	Returns the value associated with key, creating it with the supplied provider when necessary and optionally caching the result.

Methods inherited from interface org.codehaus.groovy.runtime.memoize.EvictableCache

clear, clearAll, containsKey, keys, remove, size, values

Methods inherited from interface java.util.Map

compute, computeIfAbsent, computeIfPresent, containsValue, entrySet, equals, forEach, get, getOrDefault, hashCode, isEmpty, keySet, merge, put, putAll, putIfAbsent, remove, replace, replace, replaceAll

Methods inherited from interface org.codehaus.groovy.runtime.memoize.MemoizeCache

cleanUpNullReferences, get, getAndPut, put

Method Details

getAndPut

V getAndPut(K key,
 MemoizeCache.ValueProvider<? super K,? extends V> valueProvider,
 boolean shouldCache)

Returns the value associated with key, creating it with the supplied provider when necessary and optionally caching the result.

Parameters:

key - the key to look up

valueProvider - supplies a value when the key is not cached

shouldCache - whether a newly created value should be stored

Returns:

the cached or newly created value