Package org.apache.commons.collections4.functors

Class FalsePredicate<T>

java.lang.Object

org.apache.commons.collections4.functors.FalsePredicate<T>

All Implemented Interfaces:

Serializable, Predicate<T>, Predicate<T>

public final class FalsePredicate<T>
extends Object
implements Predicate<T>, Serializable

Predicate implementation that always returns false.

Since:

3.0

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final Predicate	INSTANCE	Singleton predicate instance

Method Summary

Modifier and Type	Method	Description
boolean	evaluate(T object)	Evaluates the predicate returning false always.
static <T> Predicate<T>	falsePredicate()	Gets a typed instance.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.function.Predicate

and, negate, or

Methods inherited from interface org.apache.commons.collections4.Predicate

test

Field Details

INSTANCE

public static final Predicate INSTANCE

Singleton predicate instance

Method Details

falsePredicate

public static <T> Predicate<T> falsePredicate()

Gets a typed instance.

Type Parameters:

T - the type that the predicate queries

Returns:

the singleton instance

Since:

4.0

evaluate

public boolean evaluate(T object)

Evaluates the predicate returning false always.

Specified by:

evaluate in interface Predicate<T>

Parameters:

object - the input object

Returns:

false always