src/share/classes/java/util/function/IntPredicate.java
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rev 7675 : 8019840: Spec updates for java.util.function
Reviewed-by: mduigou
Contributed-by: brian.goetz@oracle.com
*** 25,97 ****
package java.util.function;
import java.util.Objects;
/**
! * Determines if the {@code int} input value matches some criteria. This is the
! * {@code int}-consuming primitive type specialization of {@link Predicate}.
*
* @see Predicate
* @since 1.8
*/
@FunctionalInterface
public interface IntPredicate {
/**
! * Returns {@code true} if the input value matches some criteria.
*
! * @param value the value to be tested
! * @return {@code true} if the input value matches some criteria, otherwise
! * {@code false}
*/
boolean test(int value);
/**
! * Returns a predicate which evaluates to {@code true} only if this
! * predicate and the provided predicate both evaluate to {@code true}. If
! * this predicate returns {@code false} then the remaining predicate is not
! * evaluated.
! *
! * <p>Any exceptions thrown by either {@code test} method are relayed
! * to the caller; if performing first operation throws an exception, the
! * second operation will not be performed.
! *
! * @param p a predicate which will be logically-ANDed with this predicate
! * @return a new predicate which returns {@code true} only if both
! * predicates return {@code true}
! * @throws NullPointerException if p is null
*/
! default IntPredicate and(IntPredicate p) {
! Objects.requireNonNull(p);
! return (value) -> test(value) && p.test(value);
}
/**
! * Returns a predicate which negates the result of this predicate.
*
! * @return a new predicate who's result is always the opposite of this
* predicate
*/
default IntPredicate negate() {
return (value) -> !test(value);
}
/**
! * Returns a predicate which evaluates to {@code true} if either this
! * predicate or the provided predicate evaluates to {@code true}. If this
! * predicate returns {@code true} then the remaining predicate is not
! * evaluated.
! *
! * <p>Any exceptions thrown by either {@code test} method are relayed
! * to the caller; if performing first operation throws an exception, the
! * second operation will not be performed.
! *
! * @param p a predicate which will be logically-ORed with this predicate
! * @return a new predicate which returns {@code true} if either predicate
! * returns {@code true}
! * @throws NullPointerException if p is null
*/
! default IntPredicate or(IntPredicate p) {
! Objects.requireNonNull(p);
! return (value) -> test(value) || p.test(value);
}
}
--- 25,104 ----
package java.util.function;
import java.util.Objects;
/**
! * Represents a predicate (boolean-valued function) of one {@code int}-valued
! * argument. This is the {@code int}-consuming primitive type specialization of
! * {@link Predicate}.
! *
! * <p>This is a <a href="package-summary.html">functional interface</a>
! * whose functional method is {@link #test(int)}.
*
* @see Predicate
* @since 1.8
*/
@FunctionalInterface
public interface IntPredicate {
/**
! * Evaluates this predicate on the given argument.
*
! * @param value the input argument
! * @return {@code true} if the input argument matches the predicate,
! * otherwise {@code false}
*/
boolean test(int value);
/**
! * 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 {@code false}, then the {@code other}
! * predicate is not evaluated.
! *
! * <p>Any exceptions thrown during evaluation of either predicate are relayed
! * to the caller; if evaluation of this predicate throws an exception, the
! * {@code other} predicate will not be evaluated.
! *
! * @param other a predicate that will be logically-ANDed with this
! * predicate
! * @return a composed predicate that represents the short-circuiting logical
! * AND of this predicate and the {@code other} predicate
! * @throws NullPointerException if other is null
*/
! default IntPredicate and(IntPredicate other) {
! Objects.requireNonNull(other);
! return (value) -> test(value) && other.test(value);
}
/**
! * Returns a predicate that represents the logical negation of this
! * predicate.
*
! * @return a predicate that represents the logical negation of this
* predicate
*/
default IntPredicate negate() {
return (value) -> !test(value);
}
/**
! * 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 {@code true}, then the {@code other}
! * predicate is not evaluated.
! *
! * <p>Any exceptions thrown during evaluation of either predicate are relayed
! * to the caller; if evaluation of this predicate throws an exception, the
! * {@code other} predicate will not be evaluated.
! *
! * @param other a predicate that will be logically-ORed with this
! * predicate
! * @return a composed predicate that represents the short-circuiting logical
! * OR of this predicate and the {@code other} predicate
! * @throws NullPointerException if other is null
*/
! default IntPredicate or(IntPredicate other) {
! Objects.requireNonNull(other);
! return (value) -> test(value) || other.test(value);
}
}