Package com.bazaarvoice.jolt.modifier.function

Class Function.ListFunction

java.lang.Object

com.bazaarvoice.jolt.modifier.function.Function.BaseFunction<java.lang.Object>

com.bazaarvoice.jolt.modifier.function.Function.ListFunction

All Implemented Interfaces:

Function

Direct Known Subclasses:

Lists.firstElement, Lists.lastElement, Math.avg, Math.divide, Math.doubleSubtract, Math.doubleSum, Math.intSubtract, Math.intSum, Math.longSubtract, Math.longSum, Strings.concat, Strings.substring

Enclosing interface:

Function

public abstract static class Function.ListFunction
extends Function.BaseFunction<java.lang.Object>

Abstract class that provides rudimentary abstraction to quickly implement a function that works on an List of input i.e. find the max item from a list, etc.

Nested Class Summary

Nested classes/interfaces inherited from interface com.bazaarvoice.jolt.modifier.function.Function

Function.ArgDrivenFunction<SOURCE,RETTYPE>, Function.ArgDrivenListFunction<S>, Function.ArgDrivenSingleFunction<S,R>, Function.BaseFunction<T>, Function.ListFunction, Function.SingleFunction<T>, Function.SquashFunction<T>

Field Summary

Fields inherited from interface com.bazaarvoice.jolt.modifier.function.Function

isNull, isPresent, noop, notNull

Constructor Summary

Constructors

Constructor	Description
ListFunction()

Method Summary

Modifier and Type	Method	Description
protected abstract Optional<java.lang.Object>	applyList(java.util.List<java.lang.Object> argList)
protected Optional<java.lang.Object>	applySingle(java.lang.Object arg)

Methods inherited from class com.bazaarvoice.jolt.modifier.function.Function.BaseFunction

apply

Methods inherited from class java.lang.Object

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

Constructor Detail

ListFunction

public ListFunction()

Method Detail

applyList

protected abstract Optional<java.lang.Object> applyList(java.util.List<java.lang.Object> argList)

Specified by:

applyList in class Function.BaseFunction<java.lang.Object>

applySingle

protected final Optional<java.lang.Object> applySingle(java.lang.Object arg)

Specified by:

applySingle in class Function.BaseFunction<java.lang.Object>