Package org.apache.storm.blobstore

## Class AtomicOutputStream

- java.lang.Object
- - java.io.OutputStream
  - - org.apache.storm.blobstore.AtomicOutputStream

- All Implemented Interfaces:
    `Closeable`, `Flushable`, `AutoCloseable`
  Direct Known Subclasses:
    `BlobStore.BlobStoreFileOutputStream`, `NimbusBlobStore.NimbusUploadAtomicOutputStream`

      public abstract class AtomicOutputStream
      extends OutputStream

  An output stream where all of the data is committed on close, or can be canceled with cancel.

- - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `AtomicOutputStream()` |

  - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `abstract void` | `cancel()` | Cancel all of the writes associated with this stream and close it.

    - ### Methods inherited from class java.io.OutputStream

      `close, flush, nullOutputStream, write, write, write`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### AtomicOutputStream

          public AtomicOutputStream()

  - ### Method Detail

    - #### cancel

          public abstract void cancel()
                               throws IOException

      Cancel all of the writes associated with this stream and close it.
      Throws:
        `IOException`