org.alfresco.jlan.server.filesys.loader

Class MemorySegmentList

java.lang.Object

org.alfresco.jlan.server.filesys.loader.MemorySegmentList

public class MemorySegmentList
extends java.lang.Object

Memory Segment List Class

Contains an ordered list of MemorySegment objects.

Constructor Summary

Constructors

Constructor and Description
MemorySegmentList() Default constructor

Method Summary

Methods

Modifier and Type	Method and Description
void	addSegment(MemorySegment seg) Add a segment to the list
int	decrementHitCounts(int decr, boolean remZero) Decrement the read hit counts for all memory segments by the specified amount, and optionally remove memory segments that have a hit count of zero.
MemorySegment	findSegment(long fileOff, int len) Find the segment that contains the required data
MemorySegment	getSegmentAt(int idx) Return the specified memory segment
int	numberOfSegments() Return the count of memory segments
int	removeSegments(int readLev) Remove memory segments with a read count equal or below the specified level

Methods inherited from class java.lang.Object

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

Constructor Detail

MemorySegmentList

public MemorySegmentList()

Default constructor

Method Detail

addSegment

public final void addSegment(MemorySegment seg)

Add a segment to the list

Parameters:

seg - MemorySegment

getSegmentAt

public final MemorySegment getSegmentAt(int idx)

Return the specified memory segment

Parameters:

idx - int

Returns:

MemorySegment

numberOfSegments

public final int numberOfSegments()

Return the count of memory segments

Returns:

int

findSegment

public final MemorySegment findSegment(long fileOff,
                        int len)

Find the segment that contains the required data

Parameters:

fileOff - long

len - int

Returns:

MemorySegment

removeSegments

public final int removeSegments(int readLev)

Remove memory segments with a read count equal or below the specified level

Parameters:

readLev - int

Returns:

int

decrementHitCounts

public final int decrementHitCounts(int decr,
                     boolean remZero)

Decrement the read hit counts for all memory segments by the specified amount, and optionally remove memory segments that have a hit count of zero.

Parameters:

decr - int

remZero - boolean

Returns:

int