Class LRUCache<K,V>

java.lang.Object
org.codehaus.groovy.runtime.memoize.LRUCache<K,V>
All Implemented Interfaces:
MemoizeCache<K,V>
@ThreadSafe public final class LRUCache<K,V> extends Object implements MemoizeCache<K,V>
A cache backed by a ConcurrentLinkedHashMap

  • Constructor Details

    • LRUCache

      public LRUCache(int maxCacheSize)

  • Method Details

    • put

      public V put(K key, V value)
      Description copied from interface: MemoizeCache
      Associates the specified value with the specified key in the cache.
      Specified by:
      put in interface MemoizeCache<K,V>
      Parameters:
      key - key with which the specified value is to be associated
      value - value to be associated with the specified key
      Returns:
      null, or the old value if the key associated with the specified key.

    • get

      public V get(K key)
      Description copied from interface: MemoizeCache
      Gets a value from the cache
      Specified by:
      get in interface MemoizeCache<K,V>
      Parameters:
      key - the key whose associated value is to be returned
      Returns:
      the value, or null, if it does not exist.

    • getAndPut

      public V getAndPut(K key, MemoizeCache.ValueProvider<? super K, ? extends V> valueProvider)
      The implementation of `getAndPut` is not atomic
      Specified by:
      getAndPut in interface MemoizeCache<K,V>
      Parameters:
      key -
      Returns:
      the cached value

    • cleanUpNullReferences

      public void cleanUpNullReferences()
      Remove all entries holding SoftReferences to gc-evicted objects.
      Specified by:
      cleanUpNullReferences in interface MemoizeCache<K,V>