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

Class BaseDerivedAttributeLoader<T>

Object

BaseAttributeLoader<T>

BaseDerivedAttributeLoader<T>

All Implemented Interfaces:

AttributeLoader<T>, DerivedAttributeLoader<T>

public class BaseDerivedAttributeLoader<T>
extends BaseAttributeLoader<T>
implements DerivedAttributeLoader<T>

Constructor Summary

Constructors

Constructor	Description
BaseDerivedAttributeLoader(AttributeSpec<T> attributeSpec, Set<AttributeSpec<?>> dependencies, Set<AttributeContextDependency> contextDependencies, AttributeCachingStrategy cachingStrategy, TrailItemSet globalTrail, Function<DerivedAttributeContext,AttributeValue<T>> loadingFunction)

Method Summary

Modifier and Type	Method	Description
AttributeValue<T>	loadValue(DerivedAttributeContext context)	Performs the loading.

Methods inherited from class BaseAttributeLoader

getAttributeDependencies, getAttributeSpec, getCachingStrategy, getContextDependencies, getGlobalTrail

Methods inherited from class Object

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

Methods inherited from interface AttributeLoader

getAttributeDependencies, getAttributeSpec, getCachingStrategy, getContextDependencies, getGlobalTrail

Constructor Details

BaseDerivedAttributeLoader

public BaseDerivedAttributeLoader(@NotNull
 AttributeSpec<T> attributeSpec,
 @Nullable
 Set<AttributeSpec<?>> dependencies,
 @Nullable
 Set<AttributeContextDependency> contextDependencies,
 @Nullable
 AttributeCachingStrategy cachingStrategy,
 @Nullable
 TrailItemSet globalTrail,
 @NotNull
 Function<DerivedAttributeContext,AttributeValue<T>> loadingFunction)

Method Details

loadValue

@Nullable
public AttributeValue<T> loadValue(@NotNull
 DerivedAttributeContext context)

Description copied from interface: DerivedAttributeLoader

Performs the loading.

If the value is missing or empty, the loader should return AttributeValue.undefined(). If for some reason this loader is not applicable for the given row, it should return null.

Specified by:

loadValue in interface DerivedAttributeLoader<T>

Parameters:

context - loading context

Returns:

the calculated value