io.split.storages.memory

Class SegmentCacheInMemoryImpl

java.lang.Object

io.split.storages.memory.SegmentCacheInMemoryImpl

All Implemented Interfaces:

SegmentCache, SegmentCacheCommons, SegmentCacheConsumer, SegmentCacheProducer

public class SegmentCacheInMemoryImpl
extends Object
implements SegmentCache

InMemoryCache Implementation

Author:

lucasecheverz

Constructor Summary

Constructors

Constructor and Description
SegmentCacheInMemoryImpl()

Method Summary

Modifier and Type	Method and Description
long	getChangeNumber(String segmentName) returns the changeNumber of a segment
long	getKeyCount() return key count
long	getSegmentCount() return every segment
boolean	isInSegment(String segmentName, String key) evaluates if a key belongs to a segment
void	setChangeNumber(String segmentName, long changeNumber) update the changeNumber of a segment
void	updateSegment(String segmentName, List<String> toAdd, List<String> toRemove, long changeNumber) update segment

Methods inherited from class java.lang.Object

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

Constructor Detail

SegmentCacheInMemoryImpl

public SegmentCacheInMemoryImpl()

Method Detail

updateSegment

public void updateSegment(String segmentName,
                          List<String> toAdd,
                          List<String> toRemove,
                          long changeNumber)

Description copied from interface: SegmentCacheProducer

update segment

Specified by:

updateSegment in interface SegmentCacheProducer

isInSegment

public boolean isInSegment(String segmentName,
                           String key)

Description copied from interface: SegmentCacheConsumer

evaluates if a key belongs to a segment

Specified by:

isInSegment in interface SegmentCacheConsumer

Returns:

setChangeNumber

public void setChangeNumber(String segmentName,
                            long changeNumber)

Description copied from interface: SegmentCacheProducer

update the changeNumber of a segment

Specified by:

setChangeNumber in interface SegmentCacheProducer

getChangeNumber

public long getChangeNumber(String segmentName)

Description copied from interface: SegmentCacheCommons

returns the changeNumber of a segment

Specified by:

getChangeNumber in interface SegmentCacheCommons

Returns:

getSegmentCount

public long getSegmentCount()

Description copied from interface: SegmentCacheConsumer

return every segment

Specified by:

getSegmentCount in interface SegmentCacheConsumer

Returns:

getKeyCount

public long getKeyCount()

Description copied from interface: SegmentCacheConsumer

return key count

Specified by:

getKeyCount in interface SegmentCacheConsumer

Returns: