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

Class CheckpointProgressImpl

java.lang.Object

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

All Implemented Interfaces:

CheckpointProgress

public class CheckpointProgressImpl
extends Object
implements CheckpointProgress

Data class representing the state of running/scheduled checkpoint.

Method Summary

Modifier and Type	Method and Description
void	clearCounters() Clear cp progress counters.
int	currentCheckpointPagesCount()
void	currentCheckpointPagesCount(int num) Sets current checkpoint pages num to store.
AtomicInteger	evictedPagesCounter()
void	fail(Throwable error) Mark this checkpoint execution as failed.
GridFutureAdapter	futureFor(CheckpointState state)
PartitionDestroyQueue	getDestroyQueue()
boolean	greaterOrEqualTo(CheckpointState expectedState)
void	initCounters(int pagesSize) Initialize all counters before checkpoint.
boolean	inProgress()
long	nextCpNanos()
void	nextCpNanos(long nextCpNanos)
boolean	nextSnapshot()
void	nextSnapshot(boolean nextSnapshot)
void	onStateChanged(CheckpointState state, Runnable clo) Invokes a callback closure then a checkpoint reaches specific state.
String	reason()
void	reason(String reason)
SnapshotOperation	snapshotOperation()
void	snapshotOperation(SnapshotOperation snapshotOperation)
AtomicInteger	syncedPagesCounter()
void	transitTo(@NotNull CheckpointState newState) Changing checkpoint state if order of state is correct.
void	updateEvictedPages(int delta) Update evicted pages in checkpoint;
void	updateSyncedPages(int deltha) Update synced pages in checkpoint;
void	updateWrittenPages(int deltha) Update written pages in checkpoint;
AtomicInteger	writtenPagesCounter()

Methods inherited from class java.lang.Object

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

Method Detail

inProgress

public boolean inProgress()

Specified by:

inProgress in interface CheckpointProgress

Returns:

true If checkpoint already started but have not finished yet.

greaterOrEqualTo

public boolean greaterOrEqualTo(CheckpointState expectedState)

Parameters:

expectedState - Expected state.

Returns:

true if current state equal to given state.

futureFor

public GridFutureAdapter futureFor(CheckpointState state)

Specified by:

futureFor in interface CheckpointProgress

Parameters:

state - State for which future should be returned.

Returns:

Existed or new future which corresponds to the given state.

fail

public void fail(Throwable error)

Mark this checkpoint execution as failed.

Specified by:

fail in interface CheckpointProgress

Parameters:

error - Causal error of fail.

transitTo

public void transitTo(@NotNull
                      @NotNull CheckpointState newState)

Changing checkpoint state if order of state is correct.

Specified by:

transitTo in interface CheckpointProgress

Parameters:

newState - New checkpoint state.

getDestroyQueue

public PartitionDestroyQueue getDestroyQueue()

Specified by:

getDestroyQueue in interface CheckpointProgress

Returns:

Destroy queue.

nextSnapshot

public boolean nextSnapshot()

Returns:

Flag indicates that snapshot operation will be performed after checkpoint.

nextCpNanos

public long nextCpNanos()

Returns:

Scheduled time of checkpoint.

nextCpNanos

public void nextCpNanos(long nextCpNanos)

Parameters:

nextCpNanos - New scheduled time of checkpoint.

reason

public String reason()

Specified by:

reason in interface CheckpointProgress

Returns:

Description of the reason of the current checkpoint.

reason

public void reason(String reason)

Parameters:

reason - New wakeup reason.

snapshotOperation

public SnapshotOperation snapshotOperation()

Returns:

Snapshot operation that should be performed if set to true.

snapshotOperation

public void snapshotOperation(SnapshotOperation snapshotOperation)

Parameters:

snapshotOperation - New snapshot operation that should be performed if set to true.

nextSnapshot

public void nextSnapshot(boolean nextSnapshot)

Parameters:

nextSnapshot - New flag indicates that snapshot operation will be performed after checkpoint.

writtenPagesCounter

public AtomicInteger writtenPagesCounter()

Specified by:

writtenPagesCounter in interface CheckpointProgress

Returns:

Counter for written checkpoint pages. Not null only if checkpoint is running.

updateWrittenPages

public void updateWrittenPages(int deltha)

Update written pages in checkpoint;

Specified by:

updateWrittenPages in interface CheckpointProgress

Parameters:

deltha - Pages num to update.

syncedPagesCounter

public AtomicInteger syncedPagesCounter()

Specified by:

syncedPagesCounter in interface CheckpointProgress

Returns:

Counter for fsynced checkpoint pages. Not null only if checkpoint is running.

updateSyncedPages

public void updateSyncedPages(int deltha)

Update synced pages in checkpoint;

Specified by:

updateSyncedPages in interface CheckpointProgress

Parameters:

deltha - Pages num to update.

evictedPagesCounter

public AtomicInteger evictedPagesCounter()

Specified by:

evictedPagesCounter in interface CheckpointProgress

Returns:

Counter for evicted pages during current checkpoint. Not null only if checkpoint is running.

updateEvictedPages

public void updateEvictedPages(int delta)

Update evicted pages in checkpoint;

Specified by:

updateEvictedPages in interface CheckpointProgress

Parameters:

delta - Pages num to update.

currentCheckpointPagesCount

public int currentCheckpointPagesCount()

Specified by:

currentCheckpointPagesCount in interface CheckpointProgress

Returns:

Number of pages in current checkpoint. If checkpoint is not running, returns 0.

currentCheckpointPagesCount

public void currentCheckpointPagesCount(int num)

Sets current checkpoint pages num to store.

Specified by:

currentCheckpointPagesCount in interface CheckpointProgress

Parameters:

num - Pages to store.

initCounters

public void initCounters(int pagesSize)

Initialize all counters before checkpoint.

Specified by:

initCounters in interface CheckpointProgress

clearCounters

public void clearCounters()

Clear cp progress counters.

Specified by:

clearCounters in interface CheckpointProgress

onStateChanged

public void onStateChanged(CheckpointState state,
                           Runnable clo)

Invokes a callback closure then a checkpoint reaches specific state. The closure will not be called if an error has happened while transitting to the state.

Specified by:

onStateChanged in interface CheckpointProgress

Parameters:

state - State.

clo - Closure to call.