Package org.apache.bookkeeper.mledger.impl

Class PositionImpl

java.lang.Object

org.apache.bookkeeper.mledger.impl.PositionImpl

All Implemented Interfaces:

Comparable<PositionImpl>, Position

Direct Known Subclasses:

PositionImplRecyclable

public class PositionImpl
extends Object
implements Position, Comparable<PositionImpl>

Field Summary

Fields

Modifier and Type	Field	Description
protected long[]	ackSet
static final PositionImpl	EARLIEST
protected long	entryId
static final PositionImpl	LATEST
protected long	ledgerId

Constructor Summary

Constructors

Constructor	Description
PositionImpl(long ledgerId, long entryId)
PositionImpl(long ledgerId, long entryId, long[] ackSet)
PositionImpl(PositionImpl other)
PositionImpl(MLDataFormats.NestedPositionInfo npi)
PositionImpl(MLDataFormats.PositionInfo pi)

Method Summary

Modifier and Type	Method	Description
int	compareTo(long ledgerId, long entryId)
int	compareTo(PositionImpl that)
boolean	equals(Object obj)
static PositionImpl	get(long ledgerId, long entryId)
static PositionImpl	get(long ledgerId, long entryId, long[] ackSet)
static PositionImpl	get(PositionImpl other)
long[]	getAckSet()
long	getEntryId()
long	getLedgerId()
PositionImpl	getNext()	Get the position of the entry next to this one.
PositionImpl	getPositionAfterEntries(int entryNum)	Position after moving entryNum messages, if entryNum < 1, then return the current position.
MLDataFormats.PositionInfo	getPositionInfo()
boolean	hasAckSet()
int	hashCode()
void	setAckSet(long[] ackSet)
String	toString()	String representation of virtual cursor - LedgerId:EntryId.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

ledgerId

protected long ledgerId

entryId

protected long entryId

ackSet

protected long[] ackSet

EARLIEST

public static final PositionImpl EARLIEST

LATEST

public static final PositionImpl LATEST

Constructor Details

PositionImpl

public PositionImpl(MLDataFormats.PositionInfo pi)

PositionImpl

public PositionImpl(MLDataFormats.NestedPositionInfo npi)

PositionImpl

public PositionImpl(long ledgerId,
 long entryId)

PositionImpl

public PositionImpl(long ledgerId,
 long entryId,
 long[] ackSet)

PositionImpl

public PositionImpl(PositionImpl other)

Method Details

get

public static PositionImpl get(long ledgerId,
 long entryId)

get

public static PositionImpl get(long ledgerId,
 long entryId,
 long[] ackSet)

get

public static PositionImpl get(PositionImpl other)

getAckSet

public long[] getAckSet()

setAckSet

public void setAckSet(long[] ackSet)

getLedgerId

public long getLedgerId()

Specified by:

getLedgerId in interface Position

getEntryId

public long getEntryId()

Specified by:

getEntryId in interface Position

getNext

public PositionImpl getNext()

Description copied from interface: Position

Get the position of the entry next to this one. The returned position might point to a non-existing, or not-yet existing entry

Specified by:

getNext in interface Position

Returns:

the position of the next logical entry

getPositionAfterEntries

public PositionImpl getPositionAfterEntries(int entryNum)

Position after moving entryNum messages, if entryNum < 1, then return the current position.

toString

public String toString()

String representation of virtual cursor - LedgerId:EntryId.

Overrides:

toString in class Object

compareTo

public int compareTo(PositionImpl that)

Specified by:

compareTo in interface Comparable<PositionImpl>

compareTo

public int compareTo(long ledgerId,
 long entryId)

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hasAckSet

public boolean hasAckSet()

getPositionInfo

public MLDataFormats.PositionInfo getPositionInfo()