org.apache.storm

## Interface ICredentialsListener

-     public interface ICredentialsListener

  Allows a bolt or a spout to be informed when the credentials of the topology have changed.

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `setCredentials(Map<String,String> credentials)` Called when the credentials of a topology have changed.

- - ### Method Detail

    - #### setCredentials

          void setCredentials(Map<String,String> credentials)

      Called when the credentials of a topology have changed.

      Parameters:
        `credentials` - the new credentials, could be null.

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