## Uses of Interface
org.apache.storm.utils.LruMap.CacheEvictionCallback

- Packages that use LruMap.CacheEvictionCallback
  Package | Description
  --- | ---
  org.apache.storm.metricstore.rocksdb |
  org.apache.storm.utils |

- - ### Uses of LruMap.CacheEvictionCallback in org.apache.storm.metricstore.rocksdb

    Classes in org.apache.storm.metricstore.rocksdb that implement LruMap.CacheEvictionCallback
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `StringMetadataCache` | Class to create a use a cache that stores Metadata string information in memory.

  - ### Uses of LruMap.CacheEvictionCallback in org.apache.storm.utils

    Constructors in org.apache.storm.utils with parameters of type LruMap.CacheEvictionCallback
    Constructor | Description
    --- | ---
    `LruMap​(int maxSize, LruMap.CacheEvictionCallback evictionCallback)` | Creates an LRU map that will call back before data is removed from the map.