Andreas Huber
76e5dc403c
IntPredicate gets the current value and the index. This was handy while removing duplicate values.
59 lines
1.6 KiB
Java
59 lines
1.6 KiB
Java
package org.lucares.collections;
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import java.util.function.Predicate;
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/**
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* A {@link Predicate} for primitive integers.
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*/
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@FunctionalInterface
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public interface IntPredicate {
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/**
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* Evaluates the predicate.
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*
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* @param value
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* the value
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* @param index
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* the index in the list
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* @return {@code true} iff the input argument matches the predicate
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*/
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boolean test(int value, int index);
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/**
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* Returns a predicate that represents the logical AND of {@code this} and
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* another predicate. The and operation is short-circuiting.
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*
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* @param other
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* the other predicate
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* @return the result of combining both predicates with a logical AND operation
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* @throws NullPointerException
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* if {@code other} is null
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*/
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default IntPredicate and(final IntPredicate other) {
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return (value, index) -> test(value, index) && other.test(value, index);
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}
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/**
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* Returns a predicate that represents the logical OR of {@code this} and
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* another predicate. The and operation is short-circuiting.
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*
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* @param other
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* the other predicate
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* @return the result of combining both predicates with a logical OR operation
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* @throws NullPointerException
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* if {@code other} is null
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*/
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default IntPredicate or(final IntPredicate other) {
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return (value, index) -> test(value, index) || other.test(value, index);
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}
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/**
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* Returns a predicate that negates the result of this predicate.
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*
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* @return the negation of {@code this}
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*/
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default IntPredicate negate() {
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return (value, index) -> !test(value, index);
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}
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}
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