org.apache.metamodel.util

Class ConstantFunc<I,O>

java.lang.Object

org.apache.metamodel.util.ConstantFunc<I,O>

Type Parameters:

I -

O -

All Implemented Interfaces:

Func<I,O>

public final class ConstantFunc<I,O>
extends Object
implements Func<I,O>

A function that always returns the same constant response.

Constructor Summary

Constructors

Constructor and Description
ConstantFunc(O response)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
O	eval(I arg) Evaluates an element and transforms it using this function.
int	hashCode()

Methods inherited from class java.lang.Object

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

Constructor Detail

ConstantFunc

public ConstantFunc(O response)

Method Detail

eval

public O eval(I arg)

Description copied from interface: Func

Evaluates an element and transforms it using this function.

Specified by:

eval in interface Func<I,O>

Parameters:

arg - the input given to the function

Returns:

the output result of the function

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object