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

Class SingleDependencyReducingAggregateLoader<T>

Object

AbstractAttributeLoader<T>

AbstractAggregateLoader<T>

ReducingAggregateLoader<T>

SingleDependencyReducingAggregateLoader<T>

All Implemented Interfaces:

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

Direct Known Subclasses:

LongSumLoader, NumberSumLoader

public abstract class SingleDependencyReducingAggregateLoader<T>
extends ReducingAggregateLoader<T>

Field Summary

Fields

Modifier and Type	Field and Description
protected AttributeSpec<T>	myDependency

Fields inherited from class AbstractAttributeLoader

mySpec

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SingleDependencyReducingAggregateLoader(AttributeSpec<T> spec, AttributeSpec<T> dependency)

Method Summary

Modifier and Type	Method and Description
Set<AttributeSpec<?>>	getAttributeDependencies() Returns attributes that need to be loaded prior to calling this loader's loading function.
protected AttributeValue<T>	getSelfValue(AggregateAttributeContext context)

Methods inherited from class ReducingAggregateLoader

loadValue

Methods inherited from class AbstractAggregateLoader

firstChildError

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 ValueReducer

convert, merge, merge, reduce

Methods inherited from interface MultiRowAttributeLoader

getCachingStrategy

Methods inherited from interface RowAttributeLoader

isWholeForestDependent, preload

Methods inherited from interface AttributeLoader

getAttributeSpec, getContextDependencies, getGlobalTrail

Field Detail

myDependency

protected final AttributeSpec<T> myDependency

Constructor Detail

SingleDependencyReducingAggregateLoader

protected SingleDependencyReducingAggregateLoader(AttributeSpec<T> spec,
                                                  @NotNull
                                                  AttributeSpec<T> dependency)

Method Detail

getSelfValue

@NotNull
protected AttributeValue<T> getSelfValue(AggregateAttributeContext context)

Specified by:

getSelfValue in class ReducingAggregateLoader<T>

getAttributeDependencies

@NotNull
public Set<AttributeSpec<?>> getAttributeDependencies()

Description copied from interface: AttributeLoader

Returns attributes that need to be loaded prior to calling this loader's loading function.

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

Returns:

the set of attribute dependencies, or null if there are none

See Also:

AttributeLoaderContext.getDependencyValue(com.almworks.jira.structure.api.attribute.AttributeSpec<V>)