org.apache.ignite.internal.pagemem.wal.record

Class RollbackRecord

java.lang.Object

org.apache.ignite.internal.pagemem.wal.record.WALRecord

org.apache.ignite.internal.pagemem.wal.record.RollbackRecord

public class RollbackRecord
extends WALRecord

Rollback record. Used to close gap in partition update sequence on tx rollback.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.ignite.internal.pagemem.wal.record.WALRecord

WALRecord.RecordPurpose, WALRecord.RecordType

Field Summary

Fields

Modifier and Type	Field and Description
protected int	grpId Cache ID.
protected int	partId Partition ID.
protected long	range Rollback range.
protected long	start Rollback start.

Constructor Summary

Constructors

Constructor and Description
RollbackRecord(int grpId, int partId, long start, long range)

Method Summary

Modifier and Type	Method and Description
int	groupId()
long	overlap(long from, long to) Returns a number of overlapping update counters.
int	partitionId()
long	range()
long	start()
String	toString()
WALRecord.RecordType	type()

Methods inherited from class org.apache.ignite.internal.pagemem.wal.record.WALRecord

chainSize, chainSize, position, position, previous, previous, size, size

Methods inherited from class java.lang.Object

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

Field Detail

grpId

@GridToStringInclude
protected int grpId

Cache ID.

partId

@GridToStringInclude
protected int partId

Partition ID.

start

@GridToStringInclude
protected long start

Rollback start.

range

@GridToStringInclude
protected long range

Rollback range.

Constructor Detail

RollbackRecord

public RollbackRecord(int grpId,
                      int partId,
                      long start,
                      long range)

Parameters:

grpId - Group id.

partId - Partition id.

start - Start.

range - Range.

Method Detail

groupId

public int groupId()

Returns:

Cache ID.

partitionId

public int partitionId()

Returns:

Partition ID.

start

public long start()

Returns:

Rollback start.

range

public long range()

Returns:

Rollback range.

overlap

public long overlap(long from,
                    long to)

Returns a number of overlapping update counters.

Parameters:

from - From counter (not inclusive).

to - To counter (inclusive).

type

public WALRecord.RecordType type()

Specified by:

type in class WALRecord

Returns:

Entry type.

toString

public String toString()

Overrides:

toString in class WALRecord