Java tutorial
/* * Copyright (c) 2016 Gridtec. All rights reserved. * * Licensed 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 at.gridtec.lambda4j.operator.binary; import at.gridtec.lambda4j.Lambda; import at.gridtec.lambda4j.consumer.ShortConsumer; import at.gridtec.lambda4j.consumer.bi.BiShortConsumer; import at.gridtec.lambda4j.function.ShortFunction; import at.gridtec.lambda4j.function.bi.BiShortFunction; import at.gridtec.lambda4j.function.bi.conversion.BiBooleanToShortFunction; import at.gridtec.lambda4j.function.bi.conversion.BiByteToShortFunction; import at.gridtec.lambda4j.function.bi.conversion.BiCharToShortFunction; import at.gridtec.lambda4j.function.bi.conversion.BiDoubleToShortFunction; import at.gridtec.lambda4j.function.bi.conversion.BiFloatToShortFunction; import at.gridtec.lambda4j.function.bi.conversion.BiIntToShortFunction; import at.gridtec.lambda4j.function.bi.conversion.BiLongToShortFunction; import at.gridtec.lambda4j.function.bi.conversion.BiShortToByteFunction; import at.gridtec.lambda4j.function.bi.conversion.BiShortToCharFunction; import at.gridtec.lambda4j.function.bi.conversion.BiShortToDoubleFunction; import at.gridtec.lambda4j.function.bi.conversion.BiShortToFloatFunction; import at.gridtec.lambda4j.function.bi.conversion.BiShortToIntFunction; import at.gridtec.lambda4j.function.bi.conversion.BiShortToLongFunction; import at.gridtec.lambda4j.function.bi.to.ToShortBiFunction; import at.gridtec.lambda4j.function.conversion.BooleanToShortFunction; import at.gridtec.lambda4j.function.conversion.ByteToShortFunction; import at.gridtec.lambda4j.function.conversion.CharToShortFunction; import at.gridtec.lambda4j.function.conversion.DoubleToShortFunction; import at.gridtec.lambda4j.function.conversion.FloatToShortFunction; import at.gridtec.lambda4j.function.conversion.IntToShortFunction; import at.gridtec.lambda4j.function.conversion.LongToShortFunction; import at.gridtec.lambda4j.function.conversion.ShortToByteFunction; import at.gridtec.lambda4j.function.conversion.ShortToCharFunction; import at.gridtec.lambda4j.function.conversion.ShortToDoubleFunction; import at.gridtec.lambda4j.function.conversion.ShortToFloatFunction; import at.gridtec.lambda4j.function.conversion.ShortToIntFunction; import at.gridtec.lambda4j.function.conversion.ShortToLongFunction; import at.gridtec.lambda4j.function.to.ToShortFunction; import at.gridtec.lambda4j.operator.unary.ShortUnaryOperator; import at.gridtec.lambda4j.predicate.ShortPredicate; import at.gridtec.lambda4j.predicate.bi.BiShortPredicate; import org.apache.commons.lang3.tuple.Pair; import javax.annotation.Nonnegative; import javax.annotation.Nonnull; import javax.annotation.Nullable; import java.util.Comparator; import java.util.Map; import java.util.Objects; import java.util.concurrent.ConcurrentHashMap; import java.util.function.BinaryOperator; /** * Represents an operation that accepts two {@code short}-valued input arguments and produces a * {@code short}-valued result. * This is a primitive specialization of {@link BinaryOperator2}. * <p> * This is a {@link FunctionalInterface} whose functional method is {@link #applyAsShort(short, short)}. * * @see BinaryOperator2 */ @SuppressWarnings("unused") @FunctionalInterface public interface ShortBinaryOperator extends Lambda { /** * Constructs a {@link ShortBinaryOperator} based on a lambda expression or a method reference. Thereby the given * lambda expression or method reference is returned on an as-is basis to implicitly transform it to the desired * type. With this method, it is possible to ensure that correct type is used from lambda expression or method * reference. * * @param expression A lambda expression or (typically) a method reference, e.g. {@code this::method} * @return A {@code ShortBinaryOperator} from given lambda expression or method reference. * @implNote This implementation allows the given argument to be {@code null}, but only if {@code null} given, * {@code null} will be returned. * @see <a href="https://docs.oracle.com/javase/tutorial/java/javaOO/lambdaexpressions.html#syntax">Lambda * Expression</a> * @see <a href="https://docs.oracle.com/javase/tutorial/java/javaOO/methodreferences.html">Method Reference</a> */ static ShortBinaryOperator of(@Nullable final ShortBinaryOperator expression) { return expression; } /** * Calls the given {@link ShortBinaryOperator} with the given arguments and returns its result. * * @param operator The operator to be called * @param value1 The first argument to the operator * @param value2 The second argument to the operator * @return The result from the given {@code ShortBinaryOperator}. * @throws NullPointerException If given argument is {@code null} */ static short call(@Nonnull final ShortBinaryOperator operator, short value1, short value2) { Objects.requireNonNull(operator); return operator.applyAsShort(value1, value2); } /** * Creates a {@link ShortBinaryOperator} which uses the {@code first} parameter of this one as argument for the * given {@link ShortUnaryOperator}. * * @param operator The operator which accepts the {@code first} parameter of this one * @return Creates a {@code ShortBinaryOperator} which uses the {@code first} parameter of this one as argument for * the given {@code ShortUnaryOperator}. * @throws NullPointerException If given argument is {@code null} */ @Nonnull static ShortBinaryOperator onlyFirst(@Nonnull final ShortUnaryOperator operator) { Objects.requireNonNull(operator); return (value1, value2) -> operator.applyAsShort(value1); } /** * Creates a {@link ShortBinaryOperator} which uses the {@code second} parameter of this one as argument for the * given {@link ShortUnaryOperator}. * * @param operator The operator which accepts the {@code second} parameter of this one * @return Creates a {@code ShortBinaryOperator} which uses the {@code second} parameter of this one as argument for * the given {@code ShortUnaryOperator}. * @throws NullPointerException If given argument is {@code null} */ @Nonnull static ShortBinaryOperator onlySecond(@Nonnull final ShortUnaryOperator operator) { Objects.requireNonNull(operator); return (value1, value2) -> operator.applyAsShort(value2); } /** * Creates a {@link ShortBinaryOperator} which always returns a given value. * * @param ret The return value for the constant * @return A {@code ShortBinaryOperator} which always returns a given value. */ @Nonnull static ShortBinaryOperator constant(short ret) { return (value1, value2) -> ret; } /** * Returns a {@link ShortBinaryOperator} which returns the lesser of two elements according to the specified {@code * Comparator}. * * @param comparator A {@code Comparator} for comparing the two values * @return A {@code ShortBinaryOperator} which returns the lesser of its operands, according to the supplied {@code * Comparator}. * @throws NullPointerException If given argument is {@code null} * @see BinaryOperator#minBy(Comparator) */ @Nonnull static ShortBinaryOperator minBy(@Nonnull final Comparator<Short> comparator) { Objects.requireNonNull(comparator); return (value1, value2) -> comparator.compare(value1, value2) <= 0 ? value1 : value2; } /** * Returns a {@link ShortBinaryOperator} which returns the greater of two elements according to the specified {@code * Comparator}. * * @param comparator A {@code Comparator} for comparing the two values * @return A {@code ShortBinaryOperator} which returns the greater of its operands, according to the supplied {@code * Comparator}. * @throws NullPointerException If given argument is {@code null} * @see BinaryOperator#maxBy(Comparator) */ @Nonnull static ShortBinaryOperator maxBy(@Nonnull final Comparator<Short> comparator) { Objects.requireNonNull(comparator); return (value1, value2) -> comparator.compare(value1, value2) >= 0 ? value1 : value2; } /** * Applies this operator to the given arguments. * * @param value1 The first argument to the operator * @param value2 The second argument to the operator * @return The return value from the operator, which is its result. */ short applyAsShort(short value1, short value2); /** * Applies this operator partially to some arguments of this one, producing a {@link ShortUnaryOperator} as result. * * @param value1 The first argument to this operator used to partially apply this function * @return A {@code ShortUnaryOperator} that represents this operator partially applied the some arguments. */ @Nonnull default ShortUnaryOperator papplyAsShort(short value1) { return (value2) -> this.applyAsShort(value1, value2); } /** * Returns the number of arguments for this operator. * * @return The number of arguments for this operator. * @implSpec The default implementation always returns {@code 2}. */ @Nonnegative default int arity() { return 2; } /** * Returns a composed {@link ToShortBiFunction} that first applies the {@code before} functions to its input, and * then applies this operator to the result. * If evaluation of either operation throws an exception, it is relayed to the caller of the composed operation. * * @param <A> The type of the argument to the first given function, and of composed function * @param <B> The type of the argument to the second given function, and of composed function * @param before1 The first function to apply before this operator is applied * @param before2 The second function to apply before this operator is applied * @return A composed {@code ToShortBiFunction} that first applies the {@code before} functions to its input, and * then applies this operator to the result. * @throws NullPointerException If given argument is {@code null} * @implSpec The input argument of this method is able to handle every type. */ @Nonnull default <A, B> ToShortBiFunction<A, B> compose(@Nonnull final ToShortFunction<? super A> before1, @Nonnull final ToShortFunction<? super B> before2) { Objects.requireNonNull(before1); Objects.requireNonNull(before2); return (a, b) -> applyAsShort(before1.applyAsShort(a), before2.applyAsShort(b)); } /** * Returns a composed {@link BiBooleanToShortFunction} that first applies the {@code before} functions to its input, * and then applies this operator to the result. If evaluation of either operation throws an exception, it is * relayed to the caller of the composed operation. This method is just convenience, to provide the ability to * execute an operation which accepts {@code boolean} input, before this primitive operator is executed. * * @param before1 The first function to apply before this operator is applied * @param before2 The second function to apply before this operator is applied * @return A composed {@code BiBooleanToShortFunction} that first applies the {@code before} functions to its input, * and then applies this operator to the result. * @throws NullPointerException If given argument is {@code null} * @implSpec The input argument of this method is a able to handle primitive values. In this case this is {@code * boolean}. */ @Nonnull default BiBooleanToShortFunction composeFromBoolean(@Nonnull final BooleanToShortFunction before1, @Nonnull final BooleanToShortFunction before2) { Objects.requireNonNull(before1); Objects.requireNonNull(before2); return (value1, value2) -> applyAsShort(before1.applyAsShort(value1), before2.applyAsShort(value2)); } /** * Returns a composed {@link BiByteToShortFunction} that first applies the {@code before} functions to * its input, and then applies this operator to the result. * If evaluation of either operation throws an exception, it is relayed to the caller of the composed operation. * This method is just convenience, to provide the ability to execute an operation which accepts {@code byte} input, * before this primitive operator is executed. * * @param before1 The first function to apply before this operator is applied * @param before2 The second function to apply before this operator is applied * @return A composed {@code BiByteToShortFunction} that first applies the {@code before} functions to its input, * and then applies this operator to the result. * @throws NullPointerException If given argument is {@code null} * @implSpec The input argument of this method is a able to handle primitive values. In this case this is {@code * byte}. */ @Nonnull default BiByteToShortFunction composeFromByte(@Nonnull final ByteToShortFunction before1, @Nonnull final ByteToShortFunction before2) { Objects.requireNonNull(before1); Objects.requireNonNull(before2); return (value1, value2) -> applyAsShort(before1.applyAsShort(value1), before2.applyAsShort(value2)); } /** * Returns a composed {@link BiCharToShortFunction} that first applies the {@code before} functions to * its input, and then applies this operator to the result. * If evaluation of either operation throws an exception, it is relayed to the caller of the composed operation. * This method is just convenience, to provide the ability to execute an operation which accepts {@code char} input, * before this primitive operator is executed. * * @param before1 The first function to apply before this operator is applied * @param before2 The second function to apply before this operator is applied * @return A composed {@code BiCharToShortFunction} that first applies the {@code before} functions to its input, * and then applies this operator to the result. * @throws NullPointerException If given argument is {@code null} * @implSpec The input argument of this method is a able to handle primitive values. In this case this is {@code * char}. */ @Nonnull default BiCharToShortFunction composeFromChar(@Nonnull final CharToShortFunction before1, @Nonnull final CharToShortFunction before2) { Objects.requireNonNull(before1); Objects.requireNonNull(before2); return (value1, value2) -> applyAsShort(before1.applyAsShort(value1), before2.applyAsShort(value2)); } /** * Returns a composed {@link BiDoubleToShortFunction} that first applies the {@code before} functions to its input, * and then applies this operator to the result. If evaluation of either operation throws an exception, it is * relayed to the caller of the composed operation. This method is just convenience, to provide the ability to * execute an operation which accepts {@code double} input, before this primitive operator is executed. * * @param before1 The first function to apply before this operator is applied * @param before2 The second function to apply before this operator is applied * @return A composed {@code BiDoubleToShortFunction} that first applies the {@code before} functions to its input, * and then applies this operator to the result. * @throws NullPointerException If given argument is {@code null} * @implSpec The input argument of this method is a able to handle primitive values. In this case this is {@code * double}. */ @Nonnull default BiDoubleToShortFunction composeFromDouble(@Nonnull final DoubleToShortFunction before1, @Nonnull final DoubleToShortFunction before2) { Objects.requireNonNull(before1); Objects.requireNonNull(before2); return (value1, value2) -> applyAsShort(before1.applyAsShort(value1), before2.applyAsShort(value2)); } /** * Returns a composed {@link BiFloatToShortFunction} that first applies the {@code before} functions to its input, * and then applies this operator to the result. If evaluation of either operation throws an exception, it is * relayed to the caller of the composed operation. This method is just convenience, to provide the ability to * execute an operation which accepts {@code float} input, before this primitive operator is executed. * * @param before1 The first function to apply before this operator is applied * @param before2 The second function to apply before this operator is applied * @return A composed {@code BiFloatToShortFunction} that first applies the {@code before} functions to its input, * and then applies this operator to the result. * @throws NullPointerException If given argument is {@code null} * @implSpec The input argument of this method is a able to handle primitive values. In this case this is {@code * float}. */ @Nonnull default BiFloatToShortFunction composeFromFloat(@Nonnull final FloatToShortFunction before1, @Nonnull final FloatToShortFunction before2) { Objects.requireNonNull(before1); Objects.requireNonNull(before2); return (value1, value2) -> applyAsShort(before1.applyAsShort(value1), before2.applyAsShort(value2)); } /** * Returns a composed {@link BiIntToShortFunction} that first applies the {@code before} functions to * its input, and then applies this operator to the result. * If evaluation of either operation throws an exception, it is relayed to the caller of the composed operation. * This method is just convenience, to provide the ability to execute an operation which accepts {@code int} input, * before this primitive operator is executed. * * @param before1 The first function to apply before this operator is applied * @param before2 The second function to apply before this operator is applied * @return A composed {@code BiIntToShortFunction} that first applies the {@code before} functions to its input, and * then applies this operator to the result. * @throws NullPointerException If given argument is {@code null} * @implSpec The input argument of this method is a able to handle primitive values. In this case this is {@code * int}. */ @Nonnull default BiIntToShortFunction composeFromInt(@Nonnull final IntToShortFunction before1, @Nonnull final IntToShortFunction before2) { Objects.requireNonNull(before1); Objects.requireNonNull(before2); return (value1, value2) -> applyAsShort(before1.applyAsShort(value1), before2.applyAsShort(value2)); } /** * Returns a composed {@link BiLongToShortFunction} that first applies the {@code before} functions to * its input, and then applies this operator to the result. * If evaluation of either operation throws an exception, it is relayed to the caller of the composed operation. * This method is just convenience, to provide the ability to execute an operation which accepts {@code long} input, * before this primitive operator is executed. * * @param before1 The first function to apply before this operator is applied * @param before2 The second function to apply before this operator is applied * @return A composed {@code BiLongToShortFunction} that first applies the {@code before} functions to its input, * and then applies this operator to the result. * @throws NullPointerException If given argument is {@code null} * @implSpec The input argument of this method is a able to handle primitive values. In this case this is {@code * long}. */ @Nonnull default BiLongToShortFunction composeFromLong(@Nonnull final LongToShortFunction before1, @Nonnull final LongToShortFunction before2) { Objects.requireNonNull(before1); Objects.requireNonNull(before2); return (value1, value2) -> applyAsShort(before1.applyAsShort(value1), before2.applyAsShort(value2)); } /** * Returns a composed {@link ShortBinaryOperator} that first applies the {@code before} operators to its input, and * then applies this operator to the result. If evaluation of either operation throws an exception, it is relayed to * the caller of the composed operation. This method is just convenience, to provide the ability to execute an * operation which accepts {@code short} input, before this primitive operator is executed. * * @param before1 The first operator to apply before this operator is applied * @param before2 The second operator to apply before this operator is applied * @return A composed {@code ShortBinaryOperator} that first applies the {@code before} operators to its input, and * then applies this operator to the result. * @throws NullPointerException If given argument is {@code null} * @implSpec The input argument of this method is a able to handle primitive values. In this case this is {@code * short}. */ @Nonnull default ShortBinaryOperator composeFromShort(@Nonnull final ShortUnaryOperator before1, @Nonnull final ShortUnaryOperator before2) { Objects.requireNonNull(before1); Objects.requireNonNull(before2); return (value1, value2) -> applyAsShort(before1.applyAsShort(value1), before2.applyAsShort(value2)); } /** * Returns a composed {@link BiShortFunction} that first applies this operator to its input, and then applies the * {@code after} function to the result. * If evaluation of either operation throws an exception, it is relayed to the caller of the composed operation. * * @param <S> The type of return value from the {@code after} function, and of the composed function * @param after The function to apply after this operator is applied * @return A composed {@code BiShortFunction} that first applies this operator to its input, and then applies the * {@code after} function to the result. * @throws NullPointerException If given argument is {@code null} * @implSpec The input argument of this method is able to return every type. */ @Nonnull default <S> BiShortFunction<S> andThen(@Nonnull final ShortFunction<? extends S> after) { Objects.requireNonNull(after); return (value1, value2) -> after.apply(applyAsShort(value1, value2)); } /** * Returns a composed {@link BiShortPredicate} that first applies this operator to its input, and then applies the * {@code after} predicate to the result. If evaluation of either operation throws an exception, it is relayed to * the caller of the composed operation. This method is just convenience, to provide the ability to transform this * primitive operator to an operation returning {@code boolean}. * * @param after The predicate to apply after this operator is applied * @return A composed {@code BiShortPredicate} that first applies this operator to its input, and then applies the * {@code after} predicate to the result. * @throws NullPointerException If given argument is {@code null} * @implSpec The input argument of this method is a able to return primitive values. In this case this is {@code * boolean}. */ @Nonnull default BiShortPredicate andThenToBoolean(@Nonnull final ShortPredicate after) { Objects.requireNonNull(after); return (value1, value2) -> after.test(applyAsShort(value1, value2)); } /** * Returns a composed {@link BiShortToByteFunction} that first applies this operator to its input, and then applies * the {@code after} function to the result. If evaluation of either operation throws an exception, it is relayed to * the caller of the composed operation. This method is just convenience, to provide the ability to transform this * primitive operator to an operation returning {@code byte}. * * @param after The function to apply after this operator is applied * @return A composed {@code BiShortToByteFunction} that first applies this operator to its input, and then applies * the {@code after} function to the result. * @throws NullPointerException If given argument is {@code null} * @implSpec The input argument of this method is a able to return primitive values. In this case this is {@code * byte}. */ @Nonnull default BiShortToByteFunction andThenToByte(@Nonnull final ShortToByteFunction after) { Objects.requireNonNull(after); return (value1, value2) -> after.applyAsByte(applyAsShort(value1, value2)); } /** * Returns a composed {@link BiShortToCharFunction} that first applies this operator to its input, and then applies * the {@code after} function to the result. If evaluation of either operation throws an exception, it is relayed to * the caller of the composed operation. This method is just convenience, to provide the ability to transform this * primitive operator to an operation returning {@code char}. * * @param after The function to apply after this operator is applied * @return A composed {@code BiShortToCharFunction} that first applies this operator to its input, and then applies * the {@code after} function to the result. * @throws NullPointerException If given argument is {@code null} * @implSpec The input argument of this method is a able to return primitive values. In this case this is {@code * char}. */ @Nonnull default BiShortToCharFunction andThenToChar(@Nonnull final ShortToCharFunction after) { Objects.requireNonNull(after); return (value1, value2) -> after.applyAsChar(applyAsShort(value1, value2)); } /** * Returns a composed {@link BiShortToDoubleFunction} that first applies this operator to its input, and then * applies the {@code after} function to the result. If evaluation of either operation throws an exception, it is * relayed to the caller of the composed operation. This method is just convenience, to provide the ability to * transform this primitive operator to an operation returning {@code double}. * * @param after The function to apply after this operator is applied * @return A composed {@code BiShortToDoubleFunction} that first applies this operator to its input, and then * applies the {@code after} function to the result. * @throws NullPointerException If given argument is {@code null} * @implSpec The input argument of this method is a able to return primitive values. In this case this is {@code * double}. */ @Nonnull default BiShortToDoubleFunction andThenToDouble(@Nonnull final ShortToDoubleFunction after) { Objects.requireNonNull(after); return (value1, value2) -> after.applyAsDouble(applyAsShort(value1, value2)); } /** * Returns a composed {@link BiShortToFloatFunction} that first applies this operator to its input, and then applies * the {@code after} function to the result. If evaluation of either operation throws an exception, it is relayed to * the caller of the composed operation. This method is just convenience, to provide the ability to transform this * primitive operator to an operation returning {@code float}. * * @param after The function to apply after this operator is applied * @return A composed {@code BiShortToFloatFunction} that first applies this operator to its input, and then applies * the {@code after} function to the result. * @throws NullPointerException If given argument is {@code null} * @implSpec The input argument of this method is a able to return primitive values. In this case this is {@code * float}. */ @Nonnull default BiShortToFloatFunction andThenToFloat(@Nonnull final ShortToFloatFunction after) { Objects.requireNonNull(after); return (value1, value2) -> after.applyAsFloat(applyAsShort(value1, value2)); } /** * Returns a composed {@link BiShortToIntFunction} that first applies this operator to its input, and then applies * the {@code after} function to the result. If evaluation of either operation throws an exception, it is relayed to * the caller of the composed operation. This method is just convenience, to provide the ability to transform this * primitive operator to an operation returning {@code int}. * * @param after The function to apply after this operator is applied * @return A composed {@code BiShortToIntFunction} that first applies this operator to its input, and then applies * the {@code after} function to the result. * @throws NullPointerException If given argument is {@code null} * @implSpec The input argument of this method is a able to return primitive values. In this case this is {@code * int}. */ @Nonnull default BiShortToIntFunction andThenToInt(@Nonnull final ShortToIntFunction after) { Objects.requireNonNull(after); return (value1, value2) -> after.applyAsInt(applyAsShort(value1, value2)); } /** * Returns a composed {@link BiShortToLongFunction} that first applies this operator to its input, and then applies * the {@code after} function to the result. If evaluation of either operation throws an exception, it is relayed to * the caller of the composed operation. This method is just convenience, to provide the ability to transform this * primitive operator to an operation returning {@code long}. * * @param after The function to apply after this operator is applied * @return A composed {@code BiShortToLongFunction} that first applies this operator to its input, and then applies * the {@code after} function to the result. * @throws NullPointerException If given argument is {@code null} * @implSpec The input argument of this method is a able to return primitive values. In this case this is {@code * long}. */ @Nonnull default BiShortToLongFunction andThenToLong(@Nonnull final ShortToLongFunction after) { Objects.requireNonNull(after); return (value1, value2) -> after.applyAsLong(applyAsShort(value1, value2)); } /** * Returns a composed {@link ShortBinaryOperator} that first applies this operator to its input, and then applies * the {@code after} operator to the result. If evaluation of either operation throws an exception, it is relayed to * the caller of the composed operation. This method is just convenience, to provide the ability to transform this * primitive operator to an operation returning {@code short}. * * @param after The operator to apply after this operator is applied * @return A composed {@code ShortBinaryOperator} that first applies this operator to its input, and then applies * the {@code after} operator to the result. * @throws NullPointerException If given argument is {@code null} * @implSpec The input argument of this method is a able to return primitive values. In this case this is {@code * short}. */ @Nonnull default ShortBinaryOperator andThenToShort(@Nonnull final ShortUnaryOperator after) { Objects.requireNonNull(after); return (value1, value2) -> after.applyAsShort(applyAsShort(value1, value2)); } /** * Returns a composed {@link BiShortConsumer} that fist applies this operator to its input, and then consumes the * result using the given {@link ShortConsumer}. If evaluation of either operation throws an exception, it is * relayed to the caller of the composed operation. * * @param consumer The operation which consumes the result from this operation * @return A composed {@code BiShortConsumer} that first applies this operator to its input, and then consumes the * result using the given {@code ShortConsumer}. * @throws NullPointerException If given argument is {@code null} */ @Nonnull default BiShortConsumer consume(@Nonnull final ShortConsumer consumer) { Objects.requireNonNull(consumer); return (value1, value2) -> consumer.accept(applyAsShort(value1, value2)); } /** * Returns a memoized (caching) version of this {@link ShortBinaryOperator}. Whenever it is called, the mapping * between the input parameters and the return value is preserved in a cache, making subsequent calls returning the * memoized value instead of computing the return value again. * <p> * Unless the operator and therefore the used cache will be garbage-collected, it will keep all memoized values * forever. * * @return A memoized (caching) version of this {@code ShortBinaryOperator}. * @implSpec This implementation does not allow the input parameters or return value to be {@code null} for the * resulting memoized operator, as the cache used internally does not permit {@code null} keys or values. * @implNote The returned memoized operator can be safely used concurrently from multiple threads which makes it * thread-safe. */ @Nonnull default ShortBinaryOperator memoized() { if (isMemoized()) { return this; } else { final Map<Pair<Short, Short>, Short> cache = new ConcurrentHashMap<>(); final Object lock = new Object(); return (ShortBinaryOperator & Memoized) (value1, value2) -> { final short returnValue; synchronized (lock) { returnValue = cache.computeIfAbsent(Pair.of(value1, value2), key -> applyAsShort(key.getLeft(), key.getRight())); } return returnValue; }; } } /** * Returns a composed {@link BinaryOperator2} which represents this {@link ShortBinaryOperator}. Thereby the * primitive input argument for this operator is autoboxed. This method provides the possibility to use this {@code * ShortBinaryOperator} with methods provided by the {@code JDK}. * * @return A composed {@code BinaryOperator2} which represents this {@code ShortBinaryOperator}. */ @Nonnull default BinaryOperator2<Short> boxed() { return this::applyAsShort; } }