ai.grakn.engine.tasks.manager

Class TaskState

java.lang.Object

ai.grakn.engine.tasks.manager.TaskState

All Implemented Interfaces:

Serializable

public class TaskState
extends Object
implements Serializable

Internal task state model used to keep track of scheduled tasks. TODO: make immutable, fix json serialisation/deserialisation

Author:

Denis Lobanov

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TaskState.Priority The priority of the task which decides which queue the task should go into

Constructor Summary

Constructors

Constructor and Description
TaskState(Class<?> taskClass, String creator, TaskSchedule schedule, TaskId id, TaskState.Priority priority)

Method Summary

Modifier and Type	Method and Description
TaskCheckpoint	checkpoint()
TaskState	checkpoint(TaskCheckpoint taskCheckpoint)
TaskState	copy()
String	creator()
EngineID	engineID()
String	exception()
String	getCreator()
EngineID	getEngineID()
TaskId	getId()
TaskState.Priority	getPriority()
TaskSchedule	getSchedule()
static long	getSerialVersionUID()
TaskStatus	getStatus()
TaskCheckpoint	getTaskCheckpoint()
String	getTaskClassName()
TaskState	markCompleted()
TaskState	markFailed(Throwable exception)
TaskState	markRunning(EngineID engineID)
TaskState	markScheduled()
TaskState	markStopped()
static TaskState	of(Class<?> taskClass, String creator, TaskSchedule schedule, TaskState.Priority priority)
static TaskState	of(TaskId id)
TaskState.Priority	priority()
TaskSchedule	schedule()
TaskState	schedule(TaskSchedule schedule)
String	stackTrace()
TaskStatus	status()
java.time.Instant	statusChangeTime()
Class<? extends BackgroundTask>	taskClass()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

TaskState

public TaskState(Class<?> taskClass,
                 String creator,
                 TaskSchedule schedule,
                 TaskId id,
                 TaskState.Priority priority)

Method Detail

of

public static TaskState of(Class<?> taskClass,
                           String creator,
                           TaskSchedule schedule,
                           TaskState.Priority priority)

of

public static TaskState of(TaskId id)

getId

public TaskId getId()

markRunning

public TaskState markRunning(EngineID engineID)

markCompleted

public TaskState markCompleted()

markScheduled

public TaskState markScheduled()

markStopped

public TaskState markStopped()

markFailed

public TaskState markFailed(Throwable exception)

status

public TaskStatus status()

statusChangeTime

public java.time.Instant statusChangeTime()

taskClass

public Class<? extends BackgroundTask> taskClass()

creator

public String creator()

getCreator

public String getCreator()

engineID

public EngineID engineID()

schedule

public TaskSchedule schedule()

getSchedule

public TaskSchedule getSchedule()

schedule

public TaskState schedule(TaskSchedule schedule)

stackTrace

public String stackTrace()

exception

public String exception()

checkpoint

public TaskState checkpoint(TaskCheckpoint taskCheckpoint)

priority

public TaskState.Priority priority()

checkpoint

public TaskCheckpoint checkpoint()

copy

public TaskState copy()

getSerialVersionUID

public static long getSerialVersionUID()

getPriority

public TaskState.Priority getPriority()

getStatus

public TaskStatus getStatus()

getTaskClassName

public String getTaskClassName()

getEngineID

public EngineID getEngineID()

getTaskCheckpoint

public TaskCheckpoint getTaskCheckpoint()

toString

public String toString()

Overrides:

toString in class Object