Package org.apache.druid.query

Enum Class CloneQueryMode

java.lang.Object

java.lang.Enum<CloneQueryMode>

org.apache.druid.query.CloneQueryMode

All Implemented Interfaces:

Serializable, Comparable<CloneQueryMode>, Constable

public enum CloneQueryMode
extends Enum<CloneQueryMode>

Enum used in the query context to determine if clone queries should be used by native queries.

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
EXCLUDECLONES	Do not query clone servers.
INCLUDECLONES	Consider both clones and their source servers for querying.
PREFERCLONES	For each ongoing cloning, do not query the source server that is being cloned.

Method Summary

Modifier and Type	Method	Description
static CloneQueryMode	fromString(String value)
String	toString()
static CloneQueryMode	valueOf(String name)	Returns the enum constant of this class with the specified name.
static CloneQueryMode[]	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, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

PREFERCLONES

public static final CloneQueryMode PREFERCLONES

For each ongoing cloning, do not query the source server that is being cloned. Other servers which are not participating in any cloning will still be queried.

INCLUDECLONES

public static final CloneQueryMode INCLUDECLONES

Consider both clones and their source servers for querying.

EXCLUDECLONES

public static final CloneQueryMode EXCLUDECLONES

Do not query clone servers.

Method Details

values

public static CloneQueryMode[] 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 CloneQueryMode 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

fromString

public static CloneQueryMode fromString(String value)

toString

public String toString()

Overrides:

toString in class Enum<CloneQueryMode>