Package io.trino.execution

Enum TaskState

java.lang.Object

java.lang.Enum<TaskState>

io.trino.execution.TaskState

All Implemented Interfaces:

Serializable, Comparable<TaskState>, java.lang.constant.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.
CANCELED	Task was canceled by a user.
FAILED	Task execution failed.
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.
static TaskState	valueOf(String name)	Returns the enum constant of this type with the specified name.
static TaskState[]	values()	Returns an array containing the constants of this enum type, 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.

CANCELED

public static final TaskState CANCELED

Task was canceled by a user.

ABORTED

public static final TaskState ABORTED

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

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 type, in the order they are declared.

Returns:

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

valueOf

public static TaskState valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (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 type has no constant with the specified name

NullPointerException - if the argument is null

isDone

public boolean isDone()

Is this a terminal state.