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

Interface MultiRowAttributeLoader<T>

Type Parameters:

T - type of the loaded value

All Superinterfaces:

AttributeLoader<T>, RowAttributeLoader<T>

All Known Subinterfaces:

AggregateAttributeLoader<T>, PropagateAttributeLoader<T>, ScanningAttributeLoader<T>

All Known Implementing Classes:

AbstractAggregateLoader, AbstractNaiveDistinctAggregateLoader, AbstractPropagateLoader, AbstractScanningLoader, DelegatingAggregateAttributeLoader, DelegatingPropagateAttributeLoader, DelegatingScanningAttributeLoader, InheritedValueLoader, LongSumLoader, NumberSumLoader, ReducingAggregateLoader, ScanningLongSumLoader, ScanningNumberSumLoader, SingleDependencyReducingAggregateLoader

@PublicSpi
public interface MultiRowAttributeLoader<T>
extends RowAttributeLoader<T>

A multi-row loader provide a value for a single row, but also considering the previously calculated value of the same attribute for some other rows in the forest. This is the base interface for all multi-row loaders.

See Also:

AggregateAttributeLoader, PropagateAttributeLoader, ScanningAttributeLoader

Method Summary

Modifier and Type	Method and Description
default AttributeCachingStrategy	getCachingStrategy() Indicates how the values provided by this loader should be cached.

Methods inherited from interface RowAttributeLoader

isWholeForestDependent, preload

Methods inherited from interface AttributeLoader

getAttributeDependencies, getAttributeSpec, getContextDependencies, getGlobalTrail

Method Detail

getCachingStrategy

@Nullable
default AttributeCachingStrategy getCachingStrategy()

Description copied from interface: AttributeLoader

Indicates how the values provided by this loader should be cached.

The returned value must be the same throughout the lifetime of the object.

Specified by:

getCachingStrategy in interface AttributeLoader<T>

Returns:

caching strategy, null has the same effect as AttributeCachingStrategy.MAY