Class InMemoryCacheImpl

    • Method Detail

      • get

        public Serializable get​(String key)
        Description copied from interface: Cache
        Get method to retrieve value from cache Must not raise exception if the key is null, but return null
        Parameters:
        key - the string key
        Returns:
        the Serializable value, return null if the key does not exist or if the key is null
      • keySet

        public Set<StringkeySet()
        Description copied from interface: Cache
        Returns the set of all keys stored in the cache.
        Returns:
        the Set of all keys
      • invalidate

        public void invalidate​(String key)
        Description copied from interface: Cache
        Invalidate the given key
        Parameters:
        key - , the key to remove from the cache, if null will do nothing
      • invalidateLocal

        public void invalidateLocal​(String key)
        Description copied from interface: CacheManagement
        Invalidates the given key locally. Does not propagate invalidations.
        Parameters:
        key - the key to remove from the cache
      • invalidateAll

        public void invalidateAll()
        Description copied from interface: Cache
        Invalidate all key-value stored in the cache
      • invalidateLocalAll

        public void invalidateLocalAll()
        Description copied from interface: CacheManagement
        Invalidates all keys locally. Does not propagate invalidations.
      • put

        public void put​(String key,
                        Serializable value)
        Description copied from interface: Cache
        Put method to store a Serializable value
        Parameters:
        key - the string key, if null, the value will not be stored
        value - the value to store, if null, the value will not be stored
      • hasEntry

        public boolean hasEntry​(String key)
        Description copied from interface: Cache
        Check if a given key is present inside the cache. Compared to the get() method, this method must not update internal cache state and change TTL
        Parameters:
        key - the string key
        Returns:
        true if a corresponding entry exists, false otherwise
      • getSize

        public long getSize()
        Description copied from interface: CacheManagement
        Returns this cache size (approximate number of entries), or -1 if the number of entries is unknown or too expensive to compute.
        Returns:
        the approximate number of entries, or -1