org.apache.commons.collections4.functors
Class InstanceofPredicate

java.lang.Object
  org.apache.commons.collections4.functors.InstanceofPredicate

All Implemented Interfaces:

Serializable, Predicate<Object>

public final class InstanceofPredicate
extends Object
implements Predicate<Object>, Serializable

Predicate implementation that returns true if the input is an instanceof the type stored in this predicate.

Since:

3.0

Version:

$Id: InstanceofPredicate.java 1476582 2013-04-27 14:13:54Z tn $

See Also:

Serialized Form

InstanceofPredicate

public InstanceofPredicate(Class<?> type)

Constructor that performs no validation. Use instanceOfPredicate if you want that.

Parameters:

type - the type to check for

instanceOfPredicate

public static Predicate<Object> instanceOfPredicate(Class<?> type)

Factory to create the identity predicate.

Parameters:

type - the type to check for, may not be null

Returns:

the predicate

Throws:

IllegalArgumentException - if the class is null

evaluate

public boolean evaluate(Object object)

Evaluates the predicate returning true if the input object is of the correct type.

Specified by:

evaluate in interface Predicate<Object>

Parameters:

object - the input object

Returns:

true if input is of stored type

getType

public Class<?> getType()

Gets the type to compare to.

Returns:

the type

Since:

3.1