org.apache.cassandra.io.util

Class BufferedSegmentedFile

java.lang.Object

org.apache.cassandra.utils.concurrent.SharedCloseableImpl

org.apache.cassandra.io.util.SegmentedFile

org.apache.cassandra.io.util.BufferedSegmentedFile

All Implemented Interfaces:

java.lang.AutoCloseable, SharedCloseable

public class BufferedSegmentedFile
extends SegmentedFile

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	BufferedSegmentedFile.Builder

Field Summary

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

bufferSize, channel, length, onDiskLength

Constructor Summary

Constructors

Constructor and Description
BufferedSegmentedFile(ChannelProxy channel, int bufferSize, long length)

Method Summary

Modifier and Type	Method and Description
FileDataInput	getSegment(long position)
BufferedSegmentedFile	sharedCopy()

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

createReader, createThrottledReader, dropPageCache, getBuilder, getCompressedBuilder, iterator, path, toString

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

addTo, close, close, isCleanedUp

Methods inherited from class java.lang.Object

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

Constructor Detail

BufferedSegmentedFile

public BufferedSegmentedFile(ChannelProxy channel,
                             int bufferSize,
                             long length)

Method Detail

getSegment

public FileDataInput getSegment(long position)

Overrides:

getSegment in class SegmentedFile

sharedCopy

public BufferedSegmentedFile sharedCopy()

Specified by:

sharedCopy in interface SharedCloseable

Specified by:

sharedCopy in class SegmentedFile

Returns:

a new instance of the object representing the same state and backed by the same underlying resources. Coordinates with the original (and other instances) when the underlying resource should be closed. Throws an exception if the shared resource has already been closed.