com.asakusafw.vocabulary.flow.processor

Enum PartialAggregation

java.lang.Object

java.lang.Enum<PartialAggregation>

com.asakusafw.vocabulary.flow.processor.PartialAggregation

All Implemented Interfaces:

FlowElementAttribute, Serializable, Comparable<PartialAggregation>

public enum PartialAggregation
extends Enum<PartialAggregation>
implements FlowElementAttribute

Represents strategies of aggregate operation.

Since:

0.2.0

Enum Constant Summary

Enum Constants

Enum Constant and Description
DEFAULT Follows the default settings.
PARTIAL Uses partial aggregation.
TOTAL Partial aggregation is NOT performed.

Method Summary

Modifier and Type	Method and Description
static PartialAggregation	valueOf(String name) Returns the enum constant of this type with the specified name.
static PartialAggregation[]	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, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.asakusafw.vocabulary.flow.graph.FlowElementAttribute

getDeclaringClass

Enum Constant Detail

TOTAL

public static final PartialAggregation TOTAL

Partial aggregation is NOT performed.

PARTIAL

public static final PartialAggregation PARTIAL

Uses partial aggregation. With this strategy, framework API is disabled in the target operator.

DEFAULT

public static final PartialAggregation DEFAULT

Follows the default settings.

Method Detail

values

public static PartialAggregation[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (PartialAggregation c : PartialAggregation.values())
    System.out.println(c);

Returns:

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

valueOf

public static PartialAggregation 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