org.apache.ignite.internal.processors.localtask

Class DurableBackgroundTaskState

java.lang.Object

org.apache.ignite.internal.processors.localtask.DurableBackgroundTaskState

public class DurableBackgroundTaskState
extends Object

Class for storing the current state of a durable background task. Task execution state transitions: INIT -> PREPARE -> STARTED -> COMPLETED If the task needs to be restarted, it must have status INIT.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DurableBackgroundTaskState.State Enumeration of the current state of the task.

Constructor Summary

Constructors

Constructor and Description
DurableBackgroundTaskState(DurableBackgroundTask task, @Nullable GridFutureAdapter<Void> outFut, boolean saved) Constructor.

Method Summary

Modifier and Type	Method and Description
@Nullable GridFutureAdapter<Void>	outFuture() Getting outside task future.
boolean	saved() Check if the task has been saved to the MetaStorage.
DurableBackgroundTaskState.State	state() Getting current state of the task.
void	state(DurableBackgroundTaskState.State s) Set the current state of the task.
boolean	state(DurableBackgroundTaskState.State exp, DurableBackgroundTaskState.State newState) Atomically sets of the current task state.
DurableBackgroundTask	task() Getting durable background task.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

DurableBackgroundTaskState

public DurableBackgroundTaskState(DurableBackgroundTask task,
                                  @Nullable
                                  @Nullable GridFutureAdapter<Void> outFut,
                                  boolean saved)

Constructor.

Parameters:

task - Durable background task.

outFut - Outside task future.

saved - Task has been saved to the MetaStorage.

Method Detail

task

public DurableBackgroundTask task()

Getting durable background task.

Returns:

Durable background task.

outFuture

@Nullable
public @Nullable GridFutureAdapter<Void> outFuture()

Getting outside task future.

Returns:

Outside task future.

saved

public boolean saved()

Check if the task has been saved to the MetaStorage.

Returns:

True if stored in the MetaStorage.

state

public DurableBackgroundTaskState.State state()

Getting current state of the task.

Returns:

Current state of the task.

state

public void state(DurableBackgroundTaskState.State s)

Set the current state of the task.

Parameters:

s - New current state of the task.

state

public boolean state(DurableBackgroundTaskState.State exp,
                     DurableBackgroundTaskState.State newState)

Atomically sets of the current task state.

Parameters:

exp - Expected state.

newState - New state.

Returns:

True if successful.

toString

public String toString()

Overrides:

toString in class Object