Package autumn.util.functors

Class Ordering

java.lang.Object

autumn.lang.internals.AbstractFunctor

autumn.lang.internals.AbstractTypedFunctor

autumn.lang.internals.AbstractDefinedFunctor

autumn.util.functors.Function2

autumn.util.functors.Ordering

All Implemented Interfaces:

DefinedFunctor, Functor, TypedFunctor, Comparator<Object>

public class Ordering
extends Function2
implements Comparator<Object>

Author:

mackenzie

Constructor Summary

Constructors

Constructor	Description
Ordering(TypedFunctor inner)	Sole Constructor.

Method Summary

Modifier and Type	Method	Description
int	compare(Object arg1, Object arg2)
Integer	invoke(Object arg1, Object arg2)	This method invokes the inner functor.
List<Class>	parameterTypes()	This method retrieves the types of the functor's formal-parameters.
Class	returnType()	This method retrieves the type of the value that is returned by this functor.

Methods inherited from class autumn.lang.internals.AbstractDefinedFunctor

apply, inner, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Details

Ordering

public Ordering(TypedFunctor inner)

Sole Constructor.

Parameters:

inner - is the functor that provides the actual functionality.

Method Details

invoke

public Integer invoke(Object arg1,
 Object arg2)
               throws Throwable

This method invokes the inner functor.

Overrides:

invoke in class Function2

Parameters:

arg1 - is the 1st argument.

arg2 - is the 2nd argument.

Throws:

Throwable

parameterTypes

public List<Class> parameterTypes()

This method retrieves the types of the functor's formal-parameters.

Specified by:

parameterTypes in interface DefinedFunctor

Specified by:

parameterTypes in interface TypedFunctor

Overrides:

parameterTypes in class Function2

Returns:

an immutable list of the formal-parameter's types.

returnType

public Class returnType()

This method retrieves the type of the value that is returned by this functor.

Specified by:

returnType in interface DefinedFunctor

Specified by:

returnType in interface TypedFunctor

Overrides:

returnType in class Function2

Returns:

the return-type of this functor.

compare

public int compare(Object arg1,
 Object arg2)

Specified by:

compare in interface Comparator<Object>