Package org.apache.jackrabbit.core.state

Interface ItemStateCache

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      void cache​(ItemState state)
      Stores the specified ItemState object in the map using its ItemId as the key.
      void dispose()
      Informs the cache that it is no longer in use.
      void evict​(ItemId id)
      Removes the ItemState object with the specified id from this cache if it is present.
      void evictAll()
      Clears all entries from this cache.
      boolean isCached​(ItemId id)
      Returns true if this cache contains an ItemState object with the specified id.
      boolean isEmpty()
      Returns true if this cache contains no entries.
      ItemState retrieve​(ItemId id)
      Returns the ItemState object with the specified id if it is present or null if no entry exists with that id.
      ItemState[] retrieveAll()
      Returns all the cached item states.

    • Method Detail

      • isCached

        boolean isCached​(ItemId id)
        Returns true if this cache contains an ItemState object with the specified id.
        Parameters:
        id - id of ItemState object whose presence should be tested.
        Returns:
        true if there's a corresponding cache entry, otherwise false.

      • retrieve

        ItemState retrieve​(ItemId id)
        Returns the ItemState object with the specified id if it is present or null if no entry exists with that id.
        Parameters:
        id - the id of the ItemState object to be returned.
        Returns:
        the ItemState object with the specified id or or null if no entry exists with that id

      • retrieveAll

        ItemState[] retrieveAll()
        Returns all the cached item states.
        Returns:
        newly allocated item state array

      • cache

        void cache​(ItemState state)
        Stores the specified ItemState object in the map using its ItemId as the key.
        Parameters:
        state - the ItemState object to cache

      • evict

        void evict​(ItemId id)
        Removes the ItemState object with the specified id from this cache if it is present.
        Parameters:
        id - the id of the ItemState object which should be removed from this cache.

      • evictAll

        void evictAll()
        Clears all entries from this cache.

      • isEmpty

        boolean isEmpty()
        Returns true if this cache contains no entries.
        Returns:
        true if this cache contains no entries.

      • dispose

        void dispose()
        Informs the cache that it is no longer in use.