org.apache.commons.collections.functors

Class InstanceofPredicate

Implemented Interfaces:
Predicate, Serializable

public final class InstanceofPredicate
extends java.lang.Object
implements Predicate, Serializable

Predicate implementation that returns true if the input is an instanceof the type stored in this predicate.
Version:
$Revision: 1.6 $ $Date: 2004/05/16 11:16:01 $
Author:
Stephen Colebourne
Since:
Commons Collections 3.0

Constructor Summary

InstanceofPredicate(Class type)
Constructor that performs no validation.

Method Summary

boolean
evaluate(Object object)
Evaluates the predicate returning true if the input object is of the correct type.
static Predicate
getInstance(Class type)
Factory to create the identity predicate.
Class
getType()
Gets the type to compare to.

Constructor Details

InstanceofPredicate

public InstanceofPredicate(Class type)
Constructor that performs no validation. Use getInstance if you want that.
Parameters:
type - the type to check for

Method Details

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
Parameters:
object - the input object
Returns:
true if input is of stored type

getInstance

public static Predicate getInstance(Class type)
Factory to create the identity predicate.
Parameters:
type - the type to check for, may not be null
Returns:
the predicate

getType

public Class getType()
Gets the type to compare to.
Returns:
the type
Since:
Commons Collections 3.1

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