Package org.apache.commons.collections4.functors

Class AndPredicate<T>

java.lang.Object

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

All Implemented Interfaces:

java.io.Serializable, PredicateDecorator<T>, Predicate<T>

public final class AndPredicate<T>
extends java.lang.Object
implements PredicateDecorator<T>, java.io.Serializable

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

Since:

3.0

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
AndPredicate(Predicate<? super T> predicate1, Predicate<? super T> predicate2)	Constructor that performs no validation.

Method Summary

Modifier and Type	Method	Description
static <T> Predicate<T>	andPredicate(Predicate<? super T> predicate1, Predicate<? super T> predicate2)	Factory to create the predicate.
boolean	evaluate(T object)	Evaluates the predicate returning true if both predicates return true.
Predicate<? super T>[]	getPredicates()	Gets the two predicates being decorated as an array.

Methods inherited from class java.lang.Object

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

Constructor Detail

AndPredicate

public AndPredicate(Predicate<? super T> predicate1,
                    Predicate<? super T> predicate2)

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

Parameters:

predicate1 - the first predicate to check, not null

predicate2 - the second predicate to check, not null

Method Detail

andPredicate

public static <T> Predicate<T> andPredicate(Predicate<? super T> predicate1,
                                            Predicate<? super T> predicate2)

Factory to create the predicate.

Type Parameters:

T - the type that the predicate queries

Parameters:

predicate1 - the first predicate to check, not null

predicate2 - the second predicate to check, not null

Returns:

the and predicate

Throws:

java.lang.NullPointerException - if either predicate is null

evaluate

public boolean evaluate(T object)

Evaluates the predicate returning true if both predicates return true.

Specified by:

evaluate in interface Predicate<T>

Parameters:

object - the input object

Returns:

true if both decorated predicates return true

getPredicates

public Predicate<? super T>[] getPredicates()

Gets the two predicates being decorated as an array.

Specified by:

getPredicates in interface PredicateDecorator<T>

Returns:

the predicates

Since:

3.1