net.shibboleth.utilities.java.support.logic

Class AbstractTriStatePredicate<T>

java.lang.Object

net.shibboleth.utilities.java.support.logic.AbstractTriStatePredicate<T>

Type Parameters:

T - the type to which the predicate is applied

All Implemented Interfaces:

Predicate<T>

public abstract class AbstractTriStatePredicate<T>
extends Object
implements Predicate<T>

A base Predicate implementation which provides support for cases where the predicate can not meaningfully evaluate the input. The flags on this class allow translating these cases to a boolean true or false as required by the predicate interface.

Field Summary

Fields

Modifier and Type	Field and Description
private boolean	nullInputSatisfies Flag indicating whether the null input case is treated as satisfying the predicate.
private boolean	unevaluableSatisfies Flag indicating whether the general unevaluable case is treated as satisfying the predicate.

Constructor Summary

Constructors

Constructor and Description
AbstractTriStatePredicate()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	isNullInputSatisfies() Get the flag indicating whether a null input satisfies the predicate.
boolean	isUnevaluableSatisfies() Get the flag indicating whether a general 'unevaluable' input satisfies the predicate.
void	setNullInputSatisfies(boolean flag) Set the flag indicating whether a null input satisfies the predicate.
void	setUnevaluableSatisfies(boolean flag) Set the flag indicating whether a general 'unevaluable' input satisfies the predicate.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.google.common.base.Predicate

apply, equals

Field Detail

nullInputSatisfies

private boolean nullInputSatisfies

Flag indicating whether the null input case is treated as satisfying the predicate.

unevaluableSatisfies

private boolean unevaluableSatisfies

Flag indicating whether the general unevaluable case is treated as satisfying the predicate.

Constructor Detail

AbstractTriStatePredicate

public AbstractTriStatePredicate()

Method Detail

isNullInputSatisfies

public boolean isNullInputSatisfies()

Get the flag indicating whether a null input satisfies the predicate.

Returns:

true if should satisfy, false otherwise

setNullInputSatisfies

public void setNullInputSatisfies(boolean flag)

Set the flag indicating whether a null input satisfies the predicate.

Parameters:

flag - true if should satisfy, false otherwise

isUnevaluableSatisfies

public boolean isUnevaluableSatisfies()

Get the flag indicating whether a general 'unevaluable' input satisfies the predicate.

Returns:

true if should satisfy, false otherwise

setUnevaluableSatisfies

public void setUnevaluableSatisfies(boolean flag)

Set the flag indicating whether a general 'unevaluable' input satisfies the predicate.

Parameters:

flag - true if should satisfy, false otherwise