Package org.apache.druid.query

Enum Class ExecutionMode

java.lang.Object

java.lang.Enum<ExecutionMode>

org.apache.druid.query.ExecutionMode

All Implemented Interfaces:

Serializable, Comparable<ExecutionMode>, Constable

public enum ExecutionMode
extends Enum<ExecutionMode>

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
ASYNC	This mode executes the query in a non-blocking way.
SYNC	This mode executes the query in a blocking way.

Method Summary

Modifier and Type	Method	Description
static ExecutionMode	valueOf(String name)	Returns the enum constant of this class with the specified name.
static ExecutionMode[]	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

SYNC

public static final ExecutionMode SYNC

This mode executes the query in a blocking way. The results are returned as part of the original post query call. Current sql/native endpoints are sync execution.

ASYNC

public static final ExecutionMode ASYNC

This mode executes the query in a non-blocking way. The results are returned as part of subsequent get results call. Currently, the msq engine uses this mode of execution.

Method Details

values

public static ExecutionMode[] 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 ExecutionMode 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