Package me.ahoo.cosid.segment

Class SegmentChainId

java.lang.Object

me.ahoo.cosid.segment.SegmentChainId

All Implemented Interfaces:

IdGenerator, SegmentId, Statistical, StringIdGenerator

public class SegmentChainId
extends Object
implements SegmentId

Segment chain algorithm ID generator.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	SegmentChainId.PrefetchJob

Field Summary

Fields

Modifier and Type	Field	Description
static final int	DEFAULT_SAFE_DISTANCE

Fields inherited from interface me.ahoo.cosid.segment.SegmentId

ONE_STEP

Constructor Summary

Constructors

Constructor	Description
SegmentChainId(long idSegmentTtl, int safeDistance, IdSegmentDistributor maxIdDistributor, PrefetchWorkerExecutorService prefetchWorkerExecutorService)
SegmentChainId(IdSegmentDistributor maxIdDistributor)

Method Summary

Modifier and Type	Method	Description
IdSegment	current()
long	generate()	Generate distributed ID.
IdSegmentChain	getHead()

Methods inherited from class java.lang.Object

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

Methods inherited from interface me.ahoo.cosid.IdGenerator

generateAsString, idConverter

Methods inherited from interface me.ahoo.cosid.segment.SegmentId

stat

Field Details

DEFAULT_SAFE_DISTANCE

public static final int DEFAULT_SAFE_DISTANCE

See Also:

• Constant Field Values

Constructor Details

SegmentChainId

public SegmentChainId(IdSegmentDistributor maxIdDistributor)

SegmentChainId

public SegmentChainId(long idSegmentTtl,
 int safeDistance,
 IdSegmentDistributor maxIdDistributor,
 PrefetchWorkerExecutorService prefetchWorkerExecutorService)

Method Details

current

public IdSegment current()

Specified by:

current in interface SegmentId

getHead

public IdSegmentChain getHead()

generate

public long generate()

Description copied from interface: IdGenerator

Generate distributed ID.

Specified by:

generate in interface IdGenerator

Returns:

generated distributed ID