## Uses of Interface
org.apache.storm.localizer.BlobChangingCallback

- Packages that use BlobChangingCallback
  Package | Description
  --- | ---
  org.apache.storm.daemon.supervisor |
  org.apache.storm.localizer |

- - ### Uses of BlobChangingCallback in org.apache.storm.daemon.supervisor

    Classes in org.apache.storm.daemon.supervisor that implement BlobChangingCallback
    Modifier and Type | Class and Description
    --- | ---
    `class` | `Slot`

  - ### Uses of BlobChangingCallback in org.apache.storm.localizer

    Methods in org.apache.storm.localizer with parameters of type BlobChangingCallback
    Modifier and Type | Method and Description
    --- | ---
    `void` | LocallyCachedBlob.`addReference(PortAndAssignment pna, BlobChangingCallback cb)` Mark that a given port and assignment are using this.
    `void` | AsyncLocalizer.`recoverRunningTopology(LocalAssignment currentAssignment, int port, BlobChangingCallback cb)` Do everything needed to recover the state in the AsyncLocalizer for a running topology.
    `CompletableFuture<Void>` | AsyncLocalizer.`requestDownloadTopologyBlobs(LocalAssignment assignment, int port, BlobChangingCallback cb)` Request that all of the blobs necessary for this topology be downloaded.

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