com.almworks.jira.structure.api.attribute.loader.basic

Class AbstractAggregateLoader<T>

Object

AbstractAttributeLoader<T>

AbstractAggregateLoader<T>

All Implemented Interfaces:

AggregateAttributeLoader<T>, AttributeLoader<T>, MultiRowAttributeLoader<T>, RowAttributeLoader<T>

Direct Known Subclasses:

AbstractNaiveDistinctAggregateLoader, ReducingAggregateLoader

public abstract class AbstractAggregateLoader<T>
extends AbstractAttributeLoader<T>
implements AggregateAttributeLoader<T>

Field Summary

Fields inherited from class AbstractAttributeLoader

mySpec

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractAggregateLoader(AttributeSpec<T> spec)

Method Summary

Modifier and Type	Method and Description
static <T> AttributeValue<T>	firstChildError(List<AttributeValue<T>> children) Returns the first error AttributeValue from list of children values.

Methods inherited from class AbstractAttributeLoader

getAttributeSpec, toString

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface AggregateAttributeLoader

loadValue

Methods inherited from interface MultiRowAttributeLoader

getCachingStrategy

Methods inherited from interface RowAttributeLoader

isWholeForestDependent, preload

Methods inherited from interface AttributeLoader

getAttributeDependencies, getAttributeSpec, getContextDependencies, getGlobalTrail

Constructor Detail

AbstractAggregateLoader

protected AbstractAggregateLoader(AttributeSpec<T> spec)

Method Detail

firstChildError

public static <T> AttributeValue<T> firstChildError(@NotNull
                                                    List<AttributeValue<T>> children)

Returns the first error AttributeValue from list of children values.

Type Parameters:

T - AttributeValue generic type

Parameters:

children - list of children values

Returns:

the first child error or null if none.