Package io.trino.execution

Enum Class TaskState

java.lang.Object

java.lang.Enum<TaskState>

io.trino.execution.TaskState

All Implemented Interfaces:

Serializable, Comparable<TaskState>, Constable

public enum TaskState
extends Enum<TaskState>

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
ABORTED	Task was aborted due to a failure in the query.
ABORTING	Task was told to abort, but not all drivers have finishing exiting
CANCELED	Task was canceled by a user.
CANCELING	Task was canceled, but not all drivers have finishing exiting
FAILED	Task execution failed.
FAILING	Task has been marked as failed, but not all drivers have finishing exiting
FINISHED	Task has finished executing and all output has been consumed.
FLUSHING	Task has finished executing and output is left to be consumed.
PLANNED	Task is planned but has not been scheduled yet.
RUNNING	Task is running.

Field Summary

Fields

Modifier and Type	Field	Description
static final Set<TaskState>	TERMINAL_TASK_STATES

Method Summary

Modifier and Type	Method	Description
boolean	isDone()	Is this a terminal state.
boolean	isTerminating()
boolean	isTerminatingOrDone()
static TaskState	valueOf(String name)	Returns the enum constant of this class with the specified name.
static TaskState[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

PLANNED

public static final TaskState PLANNED

Task is planned but has not been scheduled yet. A task will be in the planned state until, the dependencies of the task have begun producing output.

RUNNING

public static final TaskState RUNNING

Task is running.

FLUSHING

public static final TaskState FLUSHING

Task has finished executing and output is left to be consumed. In this state, there will be no new drivers, the existing drivers have finished and the output buffer of the task is at-least in a 'no-more-pages' state.

FINISHED

public static final TaskState FINISHED

Task has finished executing and all output has been consumed.

CANCELING

public static final TaskState CANCELING

Task was canceled, but not all drivers have finishing exiting

CANCELED

public static final TaskState CANCELED

Task was canceled by a user.

ABORTING

public static final TaskState ABORTING

Task was told to abort, but not all drivers have finishing exiting

ABORTED

public static final TaskState ABORTED

Task was aborted due to a failure in the query. The failure was not in this task.

FAILING

public static final TaskState FAILING

Task has been marked as failed, but not all drivers have finishing exiting

FAILED

public static final TaskState FAILED

Task execution failed.

Field Details

TERMINAL_TASK_STATES

public static final Set<TaskState> TERMINAL_TASK_STATES

Method Details

values

public static TaskState[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

an array containing the constants of this enum class, in the order they are declared

valueOf

public static TaskState valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum class has no constant with the specified name

NullPointerException - if the argument is null

isDone

public boolean isDone()

Is this a terminal state.

isTerminating

public boolean isTerminating()

isTerminatingOrDone

public boolean isTerminatingOrDone()