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

Class LongSumLoader

java.lang.Object

com.almworks.jira.structure.api.attribute.loader.AbstractAttributeLoader<T>

com.almworks.jira.structure.api.attribute.loader.AbstractAggregateLoader<T>

com.almworks.jira.structure.api.attribute.loader.reduce.ReducingAggregateLoader<T>

com.almworks.jira.structure.api.attribute.loader.reduce.SingleDependencyReducingAggregateLoader<Long>

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

All Implemented Interfaces:

AttributeLoader<Long>, AttributeLoader.Aggregate<Long>, ValueReducer<Long>

public class LongSumLoader
extends SingleDependencyReducingAggregateLoader<Long>

Nested Class Summary

Nested classes/interfaces inherited from interface com.almworks.jira.structure.api.attribute.loader.AttributeLoader

AttributeLoader.Aggregate<T>, AttributeLoader.AggregateContext<T>, AttributeLoader.Context, AttributeLoader.ForestIndependent<T>, AttributeLoader.Propagate<T>, AttributeLoader.PropagateContext<T>

Field Summary

Fields inherited from class com.almworks.jira.structure.api.attribute.loader.reduce.SingleDependencyReducingAggregateLoader

myDependency

Fields inherited from class com.almworks.jira.structure.api.attribute.loader.AbstractAttributeLoader

mySpec

Constructor Summary

Constructors

Constructor and Description
LongSumLoader(AttributeSpec<Long> spec, AttributeSpec<Long> dependency)

Method Summary

Modifier and Type	Method and Description
Long	reduce(List<Long> list) Reduces the list of values to one value.

Methods inherited from class com.almworks.jira.structure.api.attribute.loader.reduce.SingleDependencyReducingAggregateLoader

getAttributeDependencies, getSelfValue

Methods inherited from class com.almworks.jira.structure.api.attribute.loader.reduce.ReducingAggregateLoader

loadValue

Methods inherited from class com.almworks.jira.structure.api.attribute.loader.AbstractAggregateLoader

firstChildError, getCachingStrategy, isEveryItemTypeSupported, isItemTypeSupported

Methods inherited from class com.almworks.jira.structure.api.attribute.loader.AbstractAttributeLoader

getAttributeSpec

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.almworks.jira.structure.api.attribute.loader.reduce.ValueReducer

convert, merge, merge

Methods inherited from interface com.almworks.jira.structure.api.attribute.loader.AttributeLoader

getAttributeSpec

Constructor Detail

LongSumLoader

public LongSumLoader(AttributeSpec<Long> spec,
                     AttributeSpec<Long> dependency)

Method Detail

reduce

public Long reduce(@NotNull
                   List<Long> list)

Description copied from interface: ValueReducer

Reduces the list of values to one value. Describes 'flat' reduction of elements without hierarchy. Called reducing direct children values or from merge methods if not overridden. Can be called from convert method

Parameters:

list - list of values, every item can be null

Returns:

value after reduction, null means undefined