org.apache.commons.collections.functors
Class AndPredicate

java.lang.Object
  org.apache.commons.collections.functors.AndPredicate

All Implemented Interfaces:

java.io.Serializable, PredicateDecorator, Predicate

public final class AndPredicate
extends java.lang.Object
implements Predicate, PredicateDecorator, java.io.Serializable

Predicate implementation that returns true if both the predicates return true.

Since:

Commons Collections 3.0

Version:

$Revision: 646777 $ $Date: 2008-04-10 13:33:15 +0100 (Thu, 10 Apr 2008) $

Author:

Stephen Colebourne

See Also:

Serialized Form

Constructor Summary

AndPredicate(Predicate predicate1, Predicate predicate2)
Constructor that performs no validation.

Method Summary

boolean	evaluate(java.lang.Object object) Evaluates the predicate returning true if both predicates return true.
static Predicate	getInstance(Predicate predicate1, Predicate predicate2) Factory to create the predicate.
Predicate[]	getPredicates() Gets the two predicates being decorated as an array.

Methods inherited from class java.lang.Object

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

Constructor Detail

AndPredicate

public AndPredicate(Predicate predicate1,
                    Predicate predicate2)

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

Parameters:

predicate1 - the first predicate to check, not null

predicate2 - the second predicate to check, not null

Method Detail

getInstance

public static Predicate getInstance(Predicate predicate1,
                                    Predicate predicate2)

Factory to create the predicate.

Parameters:

predicate1 - the first predicate to check, not null

predicate2 - the second predicate to check, not null

Returns:

the and predicate

Throws:

java.lang.IllegalArgumentException - if either predicate is null

evaluate

public boolean evaluate(java.lang.Object object)

Evaluates the predicate returning true if both predicates return true.

Specified by:

evaluate in interface Predicate

Parameters:

object - the input object

Returns:

true if both decorated predicates return true

getPredicates

public Predicate[] getPredicates()

Gets the two predicates being decorated as an array.

Specified by:

getPredicates in interface PredicateDecorator

Returns:

the predicates

Since:

Commons Collections 3.1