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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.BiPredicate;
+
+/**
+ * A functional interface like {@link BiPredicate} that declares a {@link Throwable}.
+ *
+ * @param <T> Predicate type 1.
+ * @param <U> Predicate type 2.
+ * @param <E> The kind of thrown exception or error.
+ * @since 3.11
+ */
+@FunctionalInterface
+public interface FailableBiPredicate<T, U, E extends Throwable> {
+
+ /** FALSE singleton */
+ @SuppressWarnings("rawtypes")
+ FailableBiPredicate FALSE = (t, u) -> false;
+
+ /** TRUE singleton */
+ @SuppressWarnings("rawtypes")
+ FailableBiPredicate TRUE = (t, u) -> true;
+
+ /**
+ * Returns The FALSE singleton.
+ *
+ * @param <T> Consumed type 1.
+ * @param <U> Consumed type 2.
+ * @param <E> The kind of thrown exception or error.
+ * @return The NOP singleton.
+ */
+ static <T, U, E extends Throwable> FailableBiPredicate<T, U, E> falsePredicate() {
+ return FALSE;
+ }
+
+ /**
+ * Returns The TRUE singleton.
+ *
+ * @param <T> Consumed type 1.
+ * @param <U> Consumed type 2.
+ * @param <E> The kind of thrown exception or error.
+ * @return The NOP singleton.
+ */
+ static <T, U, E extends Throwable> FailableBiPredicate<T, U, E> truePredicate() {
+ return TRUE;
+ }
+
+ /**
+ * Returns a composed {@link FailableBiPredicate} like {@link BiPredicate#and(BiPredicate)}.
+ *
+ * @param other a predicate that will be logically-ANDed with this predicate.
+ * @return a composed {@link FailableBiPredicate} like {@link BiPredicate#and(BiPredicate)}.
+ * @throws NullPointerException if other is null
+ */
+ default FailableBiPredicate<T, U, E> and(final FailableBiPredicate<? super T, ? super U, E> other) {
+ Objects.requireNonNull(other);
+ return (final T t, final U u) -> test(t, u) && other.test(t, u);
+ }
+
+ /**
+ * Returns a predicate that negates this predicate.
+ *
+ * @return a predicate that negates this predicate.
+ */
+ default FailableBiPredicate<T, U, E> negate() {
+ return (final T t, final U u) -> !test(t, u);
+ }
+
+ /**
+ * Returns a composed {@link FailableBiPredicate} like {@link BiPredicate#and(BiPredicate)}.
+ *
+ * @param other a predicate that will be logically-ORed with this predicate.
+ * @return a composed {@link FailableBiPredicate} like {@link BiPredicate#and(BiPredicate)}.
+ * @throws NullPointerException if other is null
+ */
+ default FailableBiPredicate<T, U, E> or(final FailableBiPredicate<? super T, ? super U, E> other) {
+ Objects.requireNonNull(other);
+ return (final T t, final U u) -> test(t, u) || other.test(t, u);
+ }
+
+ /**
+ * Tests the predicate.
+ *
+ * @param object1 the first object to test the predicate on
+ * @param object2 the second object to test the predicate on
+ * @return the predicate's evaluation
+ * @throws E Thrown when this predicate fails.
+ */
+ boolean test(T object1, U object2) throws E;
+}