com.annimon.stream.function

Class BooleanPredicate.Util

java.lang.Object

com.annimon.stream.function.BooleanPredicate.Util

Enclosing interface:

BooleanPredicate

public static class BooleanPredicate.Util
extends Object

Method Summary

Modifier and Type	Method and Description
static BooleanPredicate	and(BooleanPredicate p1, BooleanPredicate p2) Applies logical AND to predicates.
static BooleanPredicate	identity() Returns a predicate that always returns its input argument.
static BooleanPredicate	negate(BooleanPredicate p1) Applies logical negation to predicate.
static BooleanPredicate	or(BooleanPredicate p1, BooleanPredicate p2) Applies logical OR to predicates.
static BooleanPredicate	xor(BooleanPredicate p1, BooleanPredicate p2) Applies logical XOR to predicates.

Methods inherited from class java.lang.Object

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

Method Detail

identity

public static BooleanPredicate identity()

Returns a predicate that always returns its input argument.

Returns:

a predicate that always returns its input argument

and

public static BooleanPredicate and(BooleanPredicate p1,
                                   BooleanPredicate p2)

Applies logical AND to predicates.

Parameters:

p1 - the first predicate

p2 - the second predicate

Returns:

a composed BooleanPredicate

Throws:

NullPointerException - if p1 or p2 is null

or

public static BooleanPredicate or(BooleanPredicate p1,
                                  BooleanPredicate p2)

Applies logical OR to predicates.

Parameters:

p1 - the first predicate

p2 - the second predicate

Returns:

a composed BooleanPredicate

Throws:

NullPointerException - if p1 or p2 is null

xor

public static BooleanPredicate xor(BooleanPredicate p1,
                                   BooleanPredicate p2)

Applies logical XOR to predicates.

Parameters:

p1 - the first predicate

p2 - the second predicate

Returns:

a composed BooleanPredicate

Throws:

NullPointerException - if p1 or p2 is null

negate

public static BooleanPredicate negate(BooleanPredicate p1)

Applies logical negation to predicate.

Parameters:

p1 - the predicate to be negated

Returns:

a composed BooleanPredicate

Throws:

NullPointerException - if p1 is null