Class ClassMetaCache<T>

Type Parameters:
T - type of objects stored in cache

public class ClassMetaCache<T> extends Object
This class wraps a WeakHashMap that holds one ConcurrentHashMap per ClassLoader. In the rare event of a previously unmapped ClassLoader, the WeakHashMap is replaced by a new one. This avoids any synchronization overhead, much like a CopyOnWriteArrayList
  • Constructor Details

  • Method Details

    • put

      public T put(Class<?> key, T value)
      Puts value into cache
      key - the class that will be used as the value's key
      value - the value that should be stored in cache
      value previously stored in cache for this key, or null if none
    • get

      public T get(Class<?> key)
      Gets value from cache or returns null if not in cache
      key - the class that is the key for the value
      value stored in cache or null if none