# Package org.apache.storm.localizer

- Interface Summary
  Interface | Description
  --- | ---
  BlobChangingCallback | Callback for when a localized blob is going to change.
  IOFunction<T,​R> |
  PortAndAssignment |

- Class Summary
  Class | Description
  --- | ---
  AsyncLocalizer | Downloads and caches blobs locally.
  GoodToGo | Used as a way to give feedback that the listener is ready for the caller to change the blob.
  GoodToGo.GoodToGoLatch |
  LocalizedResource | Represents a resource that is localized on the supervisor.
  LocalizedResourceRetentionSet | A set of resources that we can look at to see which ones we retain and which ones should be removed.
  LocallyCachedBlob | Represents a blob that is cached locally on disk by the supervisor.
  LocallyCachedTopologyBlob | A locally cached blob for the topology.
  LocalResource | Local Resource requested by the topology.
  TimePortAndAssignment |

- Enum Summary
  Enum | Description
  --- | ---
  LocallyCachedTopologyBlob.TopologyBlobType |