Initial import of apache-commons-lang from upstream master am: ff344be6c0 am: a44dd5043c

Original change: https://android-review.googlesource.com/c/platform/external/apache-commons-lang/+/2434253

Change-Id: If961374cebabfe877f03f6f9fea997a374d685e6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

1 files changed, 58 insertions, 0 deletions

diff --git a/src/main/java/org/apache/commons/lang3/function/FailableToLongBiFunction.java b/src/main/java/org/apache/commons/lang3/function/FailableToLongBiFunction.java
new file mode 100644
index 000000000..3c0d5f7ed
--- /dev/null
+++ b/src/main/java/org/apache/commons/lang3/function/FailableToLongBiFunction.java
@@ -0,0 +1,58 @@
+/*
+ * 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.function.ToLongBiFunction;
+
+/**
+ * A functional interface like {@link ToLongBiFunction} that declares a {@link Throwable}.
+ *
+ * @param <T> the type of the first argument to the function
+ * @param <U> the type of the second argument to the function
+ * @param <E> The kind of thrown exception or error.
+ * @since 3.11
+ */
+@FunctionalInterface
+public interface FailableToLongBiFunction<T, U, E extends Throwable> {
+
+    /** NOP singleton */
+    @SuppressWarnings("rawtypes")
+    FailableToLongBiFunction NOP = (t, u) -> 0;
+
+    /**
+     * Returns The NOP singleton.
+     *
+     * @param <T> the type of the first argument to the function
+     * @param <U> the type of the second argument to the function
+     * @param <E> The kind of thrown exception or error.
+     * @return The NOP singleton.
+     */
+    static <T, U, E extends Throwable> FailableToLongBiFunction<T, U, E> nop() {
+        return NOP;
+    }
+
+    /**
+     * Applies this function to the given arguments.
+     *
+     * @param t the first function argument
+     * @param u the second function argument
+     * @return the function result
+     * @throws E Thrown when the function fails.
+     */
+    long applyAsLong(T t, U u) throws E;
+}