Package io.vertx.core

## Interface Closeable

- All Known Subinterfaces:
    `ConnectionFactory<C>`

      public interface Closeable

  A closeable resource.

  This interface is mostly used for internal resource management of Vert.x.
  Author:
    Tim Fox

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | `close​(Promise<Void> completion)` | Close this resource, the `completion` promise must be notified when the operation has completed.

- - ### Method Detail

    - #### close

          void close​(Promise<Void> completion)

      Close this resource, the `completion` promise must be notified when the operation has completed.
      Parameters:
        `completion` - the promise to signal when close has completed