Class LRUCache<K,V>
java.lang.Object
org.codehaus.groovy.runtime.memoize.LRUCache<K,V>
- All Implemented Interfaces:
MemoizeCache<K,V>
A cache backed by a ConcurrentLinkedHashMap
-
Nested Class Summary
Nested classes/interfaces inherited from interface org.codehaus.groovy.runtime.memoize.MemoizeCache
MemoizeCache.ValueProvider<K,V> -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoidRemove all entries holding SoftReferences to gc-evicted objects.Gets a value from the cachegetAndPut(K key, MemoizeCache.ValueProvider<? super K, ? extends V> valueProvider) Try to get the value from cache.Associates the specified value with the specified key in the cache.
-
Constructor Details
-
LRUCache
public LRUCache(int maxCacheSize)
-
-
Method Details
-
put
Description copied from interface:MemoizeCacheAssociates the specified value with the specified key in the cache.- Specified by:
putin interfaceMemoizeCache<K,V> - Parameters:
key- key with which the specified value is to be associatedvalue- value to be associated with the specified key- Returns:
- null, or the old value if the key associated with the specified key.
-
get
Description copied from interface:MemoizeCacheGets a value from the cache- Specified by:
getin interfaceMemoizeCache<K,V> - Parameters:
key- the key whose associated value is to be returned- Returns:
- the value, or null, if it does not exist.
-
getAndPut
Try to get the value from cache. If not found, create the value byMemoizeCache.ValueProviderand put it into the cache, at last return the value. The operation is completed atomically.- Specified by:
getAndPutin interfaceMemoizeCache<K,V> - Parameters:
key-valueProvider- provide the value if the associated value not found- Returns:
- the cached value
-
cleanUpNullReferences
public void cleanUpNullReferences()Remove all entries holding SoftReferences to gc-evicted objects.- Specified by:
cleanUpNullReferencesin interfaceMemoizeCache<K,V>
-