org.apache.solr.update

## Class TransactionLog.ReverseReader

- java.lang.Object
- - org.apache.solr.update.TransactionLog.ReverseReader

- Direct Known Subclasses:
    HdfsTransactionLog.HDFSReverseReader, TransactionLog.FSReverseReader
  Enclosing class:
    TransactionLog

      public abstract class TransactionLog.ReverseReader
      extends Object

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `ReverseReader()`

  - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `abstract void` | `close()`
    `abstract Object` | `next()` Returns the next object from the log, or null if none available.
    `abstract long` | `position()`
    `abstract String` | `toString()`

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

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

- - ### Constructor Detail

    - #### ReverseReader

          public ReverseReader()

  - ### Method Detail

    - #### next

          public abstract Object next()
                               throws IOException

      Returns the next object from the log, or null if none available.
      Returns:
        The log record, or null if EOF
      Throws:
        `IOException` - If there is a low-level I/O error.

    - #### position

          public abstract long position()

    - #### close

          public abstract void close()

    - #### toString

          public abstract String toString()

      Overrides:
        `toString` in class `Object`

Copyright © 2000-2016 Apache Software Foundation. All Rights Reserved.