Package 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 | 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.