Package org.apache.ignite.internal.processors.cache.persistence.checkpoint

Class CheckpointEntry

java.lang.Object

org.apache.ignite.internal.processors.cache.persistence.checkpoint.CheckpointEntry

public class CheckpointEntry
extends Object

Class represents checkpoint state.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	CheckpointEntry.GroupState
static class	CheckpointEntry.GroupStateLazyStore	Group state lazy store.

Method Summary

Modifier and Type	Method	Description
UUID	checkpointId()
WALPointer	checkpointMark()
Map<Integer,CheckpointEntry.GroupState>	groupState(IgniteWriteAheadLogManager wal)
Long	partitionCounter(IgniteWriteAheadLogManager wal, int grpId, int part)
long	timestamp()
String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

timestamp

public long timestamp()

Returns:

Checkpoint timestamp.

checkpointId

public UUID checkpointId()

Returns:

Checkpoint ID.

checkpointMark

public WALPointer checkpointMark()

Returns:

Checkpoint mark.

groupState

public Map<Integer,CheckpointEntry.GroupState> groupState(IgniteWriteAheadLogManager wal)
                                                         throws IgniteCheckedException

Parameters:

wal - Write ahead log manager.

Returns:

Group id -> group state map.

Throws:

IgniteCheckedException

partitionCounter

public Long partitionCounter(IgniteWriteAheadLogManager wal,
                             int grpId,
                             int part)
                      throws IgniteCheckedException

Parameters:

wal - Write ahead log manager.

grpId - Cache group ID.

part - Partition ID.

Returns:

Partition counter or null if not found.

Throws:

IgniteCheckedException - If something is wrong when loading the counter from WAL history.

toString

public String toString()

Overrides:

toString in class Object