io.burt.jmespath.function

Class CompareByFunction

java.lang.Object

io.burt.jmespath.function.BaseFunction

io.burt.jmespath.function.TransformByFunction

io.burt.jmespath.function.CompareByFunction

All Implemented Interfaces:

Function

Direct Known Subclasses:

MaxByFunction, MinByFunction

public abstract class CompareByFunction
extends TransformByFunction

Helper base class for higher order comparison functions like max_by and min_by.

Nested Class Summary

Nested classes/interfaces inherited from class io.burt.jmespath.function.TransformByFunction

TransformByFunction.Aggregator<V>

Constructor Summary

Constructors

Constructor and Description
CompareByFunction()

Method Summary

Modifier and Type	Method and Description
protected <T> TransformByFunction.Aggregator<T>	createAggregator(Adapter<T> runtime, int elementCount, T element, T elementValue)
protected <T> T	createNullValue(Adapter<T> runtime)
protected abstract boolean	sortsBefore(int compareResult) Subclasses override this method to decide whether the greatest or least element sorts first.

Methods inherited from class io.burt.jmespath.function.TransformByFunction

callFunction

Methods inherited from class io.burt.jmespath.function.BaseFunction

argumentConstraints, call, name

Methods inherited from class java.lang.Object

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

Constructor Detail

CompareByFunction

public CompareByFunction()

Method Detail

sortsBefore

protected abstract boolean sortsBefore(int compareResult)

Subclasses override this method to decide whether the greatest or least element sorts first.

createAggregator

protected <T> TransformByFunction.Aggregator<T> createAggregator(Adapter<T> runtime,
                                                                 int elementCount,
                                                                 T element,
                                                                 T elementValue)

Specified by:

createAggregator in class TransformByFunction

createNullValue

protected <T> T createNullValue(Adapter<T> runtime)

Specified by:

createNullValue in class TransformByFunction