net.sf.collections15.functors.predicate
Class NotNullPredicate<E>

java.lang.Object
  net.sf.collections15.functors.predicate.NotNullPredicate<E>

All Implemented Interfaces:

java.io.Serializable, Predicate<E>

public final class NotNullPredicate<E>
extends java.lang.Object
implements Predicate<E>, java.io.Serializable

Predicate implementation that evaluates to true if the input is not null.

Since:

Commons Collections15 1.0

Author:

Stephen Colebourne, Chris Lambrou (port to Java 5.0)

See Also:

Serialized Form

Constructor Summary

protected

NotNullPredicate() Creates a new instance.

Method Summary

boolean	evaluate(E object) Evaluates the Predicate, returning true if the object is not null.
static <T> Predicate<T>	getInstance() Returns a PredicateInstance which evaluates to true if the input object is not null.

Methods inherited from class java.lang.Object

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

Constructor Detail

NotNullPredicate

protected NotNullPredicate()

Creates a new instance.

Method Detail

getInstance

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

Returns a PredicateInstance which evaluates to true if the input object is not null.

Returns:

A PredicateInstance which evaluates to true if the input object is not null.

Since:

Collections15 1.0

evaluate

public boolean evaluate(E object)

Evaluates the Predicate, returning true if the object is not null.

Specified by:

evaluate in interface Predicate<E>

Parameters:

object - The object to evaluate.

Returns:

true if the object is not null.