Package org.apache.activemq.memory

Class MapCache

java.lang.Object
org.apache.activemq.memory.MapCache
All Implemented Interfaces:
Cache
public class MapCache extends Object implements Cache
Use any Map to implement the Cache. No cache eviction going on here. Just gives a Map a Cache interface.

  • Field Details

  • Constructor Details

    • MapCache

      public MapCache()

    • MapCache

      public MapCache(Map<Object,Object> map)

  • Method Details

    • put

      public Object put(Object key, Object value)
      Description copied from interface: Cache
      Puts an object into the cache.
      Specified by:
      put in interface Cache

    • get

      public Object get(Object key)
      Description copied from interface: Cache
      Gets an object that was previously put into this object.
      Specified by:
      get in interface Cache
      Returns:
      null if the object was not previously put or if the object has expired out of the cache.

    • remove

      public Object remove(Object key)
      Description copied from interface: Cache
      Removes an object from the cache.
      Specified by:
      remove in interface Cache
      Returns:
      the object associated with the key if it was still in the cache.

    • close

      public void close()
      Description copied from interface: Cache
      Lets a cache know it will not be used any further and that it can release acquired resources
      Specified by:
      close in interface Cache

    • size

      public int size()
      Description copied from interface: Cache
      How big is the cache right now?
      Specified by:
      size in interface Cache
      Returns:
      the size.