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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.lang3.function;
import java.util.Objects;
import java.util.function.LongPredicate;
/**
* A functional interface like {@link LongPredicate} that declares a {@link Throwable}.
*
* @param The kind of thrown exception or error.
* @since 3.11
*/
@FunctionalInterface
public interface FailableLongPredicate {
/** FALSE singleton */
@SuppressWarnings("rawtypes")
FailableLongPredicate FALSE = t -> false;
/** TRUE singleton */
@SuppressWarnings("rawtypes")
FailableLongPredicate TRUE = t -> true;
/**
* Returns The FALSE singleton.
*
* @param The kind of thrown exception or error.
* @return The NOP singleton.
*/
@SuppressWarnings("unchecked")
static FailableLongPredicate falsePredicate() {
return FALSE;
}
/**
* Returns The TRUE singleton.
*
* @param The kind of thrown exception or error.
* @return The NOP singleton.
*/
@SuppressWarnings("unchecked")
static FailableLongPredicate truePredicate() {
return TRUE;
}
/**
* Returns a composed {@link FailableLongPredicate} like {@link LongPredicate#and(LongPredicate)}.
*
* @param other a predicate that will be logically-ANDed with this predicate.
* @return a composed {@link FailableLongPredicate} like {@link LongPredicate#and(LongPredicate)}.
* @throws NullPointerException if other is null
*/
default FailableLongPredicate and(final FailableLongPredicate other) {
Objects.requireNonNull(other);
return t -> test(t) && other.test(t);
}
/**
* Returns a predicate that negates this predicate.
*
* @return a predicate that negates this predicate.
*/
default FailableLongPredicate negate() {
return t -> !test(t);
}
/**
* Returns a composed {@link FailableLongPredicate} like {@link LongPredicate#and(LongPredicate)}.
*
* @param other a predicate that will be logically-ORed with this predicate.
* @return a composed {@link FailableLongPredicate} like {@link LongPredicate#and(LongPredicate)}.
* @throws NullPointerException if other is null
*/
default FailableLongPredicate or(final FailableLongPredicate other) {
Objects.requireNonNull(other);
return t -> test(t) || other.test(t);
}
/**
* Tests the predicate.
*
* @param value the parameter for the predicate to accept.
* @return {@code true} if the input argument matches the predicate, {@code false} otherwise.
* @throws E Thrown when the consumer fails.
*/
boolean test(long value) throws E;
}