Module org.elasticsearch.server

Package org.elasticsearch.search.aggregations.metrics

Enum Class CardinalityAggregatorFactory.ExecutionMode

java.lang.Object

java.lang.Enum<CardinalityAggregatorFactory.ExecutionMode>

org.elasticsearch.search.aggregations.metrics.CardinalityAggregatorFactory.ExecutionMode

All Implemented Interfaces:

Serializable, Comparable<CardinalityAggregatorFactory.ExecutionMode>, Constable

Enclosing class:

CardinalityAggregatorFactory

public static enum CardinalityAggregatorFactory.ExecutionMode
extends Enum<CardinalityAggregatorFactory.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
DIRECT
GLOBAL_ORDINALS
SAVE_MEMORY_HEURISTIC
SAVE_TIME_HEURISTIC
SEGMENT_ORDINALS

Method Summary

Modifier and Type	Method	Description
static CardinalityAggregatorFactory.ExecutionMode	fromString(String value)
boolean	isHeuristicBased()
abstract boolean	useGlobalOrdinals(AggregationContext context, ValuesSource.Bytes.WithOrdinals source, int precision)
abstract boolean	useSegmentOrdinals(long maxOrd, int precision)
static CardinalityAggregatorFactory.ExecutionMode	valueOf(String name)	Returns the enum constant of this class with the specified name.
static CardinalityAggregatorFactory.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

GLOBAL_ORDINALS

public static final CardinalityAggregatorFactory.ExecutionMode GLOBAL_ORDINALS

SEGMENT_ORDINALS

public static final CardinalityAggregatorFactory.ExecutionMode SEGMENT_ORDINALS

DIRECT

public static final CardinalityAggregatorFactory.ExecutionMode DIRECT

SAVE_MEMORY_HEURISTIC

public static final CardinalityAggregatorFactory.ExecutionMode SAVE_MEMORY_HEURISTIC

SAVE_TIME_HEURISTIC

public static final CardinalityAggregatorFactory.ExecutionMode SAVE_TIME_HEURISTIC

Method Details

values

public static CardinalityAggregatorFactory.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 CardinalityAggregatorFactory.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

fromString

public static CardinalityAggregatorFactory.ExecutionMode fromString(String value)

isHeuristicBased

public boolean isHeuristicBased()

useGlobalOrdinals

public abstract boolean useGlobalOrdinals(AggregationContext context,
 ValuesSource.Bytes.WithOrdinals source,
 int precision)
                                   throws IOException

Throws:

IOException

useSegmentOrdinals

public abstract boolean useSegmentOrdinals(long maxOrd,
 int precision)