io.vertx.ext.auth

## Interface ChainAuth

- All Superinterfaces:
    AuthProvider

      public interface ChainAuth
      extends AuthProvider

  Chain several auth providers as if they were one. This is useful for cases where one want to authenticate across several providers, for example, database and fallback to passwd file.

- - ### Method Summary

    All Methods Static Methods Instance Methods Abstract Methods Default Methods
    Modifier and Type | Method and Description
    --- | ---
    `ChainAuth` | `append(AuthProvider other)` Appends a auth provider to the chain.
    `void` | `clear()` Clears the chain.
    `static ChainAuth` | `create()` Create a Chainable Auth Provider auth provider
    `boolean` | `remove(AuthProvider other)` Removes a provider from the chain.

    - ### Methods inherited from interface io.vertx.ext.auth.AuthProvider

      `authenticate`

- - ### Method Detail

    - #### create

          static ChainAuth create()

      Create a Chainable Auth Provider auth provider
      Returns:
        the auth provider

    - #### append

          ChainAuth append(AuthProvider other)

      Appends a auth provider to the chain.
      Parameters:
        `other` - auth provider
      Returns:
        self

    - #### remove

          boolean remove(AuthProvider other)

      Removes a provider from the chain.
      Parameters:
        `other` - provider to remove
      Returns:
        true if provider was removed, false if non existent in the chain.

    - #### clear

          void clear()

      Clears the chain.

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