added in API level 24

LongPredicate

public interface LongPredicate

java.util.function.LongPredicate


Represents a predicate (boolean-valued function) of one long-valued argument. This is the long-consuming primitive type specialization of Predicate.

This is a functional interface whose functional method is test(long).

See also:

Summary

Public methods

default LongPredicate and(LongPredicate other)

Returns a composed predicate that represents a short-circuiting logical AND of this predicate and another.

default LongPredicate negate()

Returns a predicate that represents the logical negation of this predicate.

default LongPredicate or(LongPredicate other)

Returns a composed predicate that represents a short-circuiting logical OR of this predicate and another.

abstract boolean test(long value)

Evaluates this predicate on the given argument.

Public methods

and

added in API level 24
LongPredicate and (LongPredicate other)

Returns a composed predicate that represents a short-circuiting logical AND of this predicate and another. When evaluating the composed predicate, if this predicate is false, then the other predicate is not evaluated.

Any exceptions thrown during evaluation of either predicate are relayed to the caller; if evaluation of this predicate throws an exception, the other predicate will not be evaluated.

Parameters
other LongPredicate: a predicate that will be logically-ANDed with this predicate

Returns
LongPredicate a composed predicate that represents the short-circuiting logical AND of this predicate and the other predicate

Throws
NullPointerException if other is null

negate

added in API level 24
LongPredicate negate ()

Returns a predicate that represents the logical negation of this predicate.

Returns
LongPredicate a predicate that represents the logical negation of this predicate

or

added in API level 24
LongPredicate or (LongPredicate other)

Returns a composed predicate that represents a short-circuiting logical OR of this predicate and another. When evaluating the composed predicate, if this predicate is true, then the other predicate is not evaluated.

Any exceptions thrown during evaluation of either predicate are relayed to the caller; if evaluation of this predicate throws an exception, the other predicate will not be evaluated.

Parameters
other LongPredicate: a predicate that will be logically-ORed with this predicate

Returns
LongPredicate a composed predicate that represents the short-circuiting logical OR of this predicate and the other predicate

Throws
NullPointerException if other is null

test

added in API level 24
boolean test (long value)

Evaluates this predicate on the given argument.

Parameters
value long: the input argument

Returns
boolean true if the input argument matches the predicate, otherwise false