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, java.util.Comparator<java.lang.Object>

public class Ordering
extends Function2
implements java.util.Comparator<java.lang.Object>

Constructor Summary

Constructors

Constructor and Description
Ordering(TypedFunctor inner) Sole Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
int	compare(java.lang.Object arg1, java.lang.Object arg2)
java.lang.Integer	invoke(java.lang.Object arg1, java.lang.Object arg2) This method invokes the inner functor.
java.util.List<java.lang.Class>	parameterTypes() This method retrieves the types of the functor's formal-parameters.
java.lang.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

Constructor Detail

Ordering

public Ordering(TypedFunctor inner)

Sole Constructor.

Parameters:

inner - is the functor that provides the actual functionality.

Method Detail

invoke

public java.lang.Integer invoke(java.lang.Object arg1,
                       java.lang.Object arg2)
                         throws java.lang.Throwable

This method invokes the inner functor.

Overrides:

invoke in class Function2

Parameters:

arg1 - is the 1st argument.

arg2 - is the 2nd argument.

Throws:

java.lang.Throwable

parameterTypes

public java.util.List<java.lang.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 java.lang.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(java.lang.Object arg1,
          java.lang.Object arg2)

Specified by:

compare in interface java.util.Comparator<java.lang.Object>