org.apache.cassandra.io.util

## Class PoolingSegmentedFile

- java.lang.Object
- - org.apache.cassandra.utils.concurrent.SharedCloseableImpl
  - - org.apache.cassandra.io.util.SegmentedFile
    - - org.apache.cassandra.io.util.PoolingSegmentedFile

- All Implemented Interfaces:
    java.lang.AutoCloseable, SharedCloseable
  Direct Known Subclasses:
    BufferedPoolingSegmentedFile, CompressedPoolingSegmentedFile

      public abstract class PoolingSegmentedFile
      extends SegmentedFile

- - ### Nested Class Summary

    Nested Classes
    Modifier and Type | Class and Description
    --- | ---
    `protected static class` | `PoolingSegmentedFile.Cleanup`

    - ### Nested classes/interfaces inherited from class org.apache.cassandra.io.util.SegmentedFile

      `SegmentedFile.Builder`

  - ### Field Summary

    - ### Fields inherited from class org.apache.cassandra.io.util.SegmentedFile

      `channel, length, onDiskLength`

  - ### Constructor Summary

    Constructors
    Modifier | Constructor and Description
    --- | ---
    `protected` | `PoolingSegmentedFile(PoolingSegmentedFile.Cleanup cleanup, ChannelProxy channel, long length)`
    `protected` | `PoolingSegmentedFile(PoolingSegmentedFile.Cleanup cleanup, ChannelProxy channel, long length, long onDiskLength)`
    `` | `PoolingSegmentedFile(PoolingSegmentedFile copy)`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `protected RandomAccessReader` | `createPooledReader()`
    `FileDataInput` | `getSegment(long position)`
    `void` | `recycle(RandomAccessReader reader)`

    - ### Methods inherited from class org.apache.cassandra.io.util.SegmentedFile

      `copyReadableBounds, createReader, createThrottledReader, dropPageCache, getBuilder, getCompressedBuilder, iterator, path, sharedCopy, toString`

    - ### Methods inherited from class org.apache.cassandra.utils.concurrent.SharedCloseableImpl

      `close, close, isCleanedUp`

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

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

- - ### Constructor Detail

    - #### PoolingSegmentedFile

          protected PoolingSegmentedFile(PoolingSegmentedFile.Cleanup cleanup,
                                         ChannelProxy channel,
                                         long length)

    - #### PoolingSegmentedFile

          protected PoolingSegmentedFile(PoolingSegmentedFile.Cleanup cleanup,
                                         ChannelProxy channel,
                                         long length,
                                         long onDiskLength)

    - #### PoolingSegmentedFile

          public PoolingSegmentedFile(PoolingSegmentedFile copy)

  - ### Method Detail

    - #### getSegment

          public FileDataInput getSegment(long position)

      Overrides:
        `getSegment` in class `SegmentedFile`

    - #### createPooledReader

          protected RandomAccessReader createPooledReader()

    - #### recycle

          public void recycle(RandomAccessReader reader)

Copyright © 2018 The Apache Software Foundation