org.apache.cassandra.io.util
Class MmappedSegmentedFile

java.lang.Object
  org.apache.cassandra.io.util.SegmentedFile
      org.apache.cassandra.io.util.MmappedSegmentedFile

public class MmappedSegmentedFile
extends SegmentedFile

Field Summary

static long

MAX_SEGMENT_SIZE

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

length, path

Constructor Summary

MmappedSegmentedFile(java.lang.String path, long length, org.apache.cassandra.io.util.SegmentedFile.Segment[] segments)

Method Summary

void	cleanup() Do whatever action is needed to reclaim ressources used by this SegmentedFile.
FileDataInput	getSegment(long position)
static void	initCleaner()
static boolean	isCleanerAvailable()

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

getBuilder, getCompressedBuilder, iterator, toString

Methods inherited from class java.lang.Object

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

Field Detail

MAX_SEGMENT_SIZE

public static long MAX_SEGMENT_SIZE

Constructor Detail

MmappedSegmentedFile

public MmappedSegmentedFile(java.lang.String path,
                            long length,
                            org.apache.cassandra.io.util.SegmentedFile.Segment[] segments)

Method Detail

getSegment

public FileDataInput getSegment(long position)

Specified by:

getSegment in class SegmentedFile

Returns:

The segment containing the given position: must be closed after use.

initCleaner

public static void initCleaner()

isCleanerAvailable

public static boolean isCleanerAvailable()

cleanup

public void cleanup()

Description copied from class: SegmentedFile

Do whatever action is needed to reclaim ressources used by this SegmentedFile.

Specified by:

cleanup in class SegmentedFile