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.function.tri.conversion; import at.gridtec.lambda4j.Lambda; import at.gridtec.lambda4j.consumer.ByteConsumer; import at.gridtec.lambda4j.consumer.tri.TriLongConsumer; import at.gridtec.lambda4j.function.ByteFunction; import at.gridtec.lambda4j.function.bi.conversion.BiLongToByteFunction; import at.gridtec.lambda4j.function.conversion.BooleanToLongFunction; import at.gridtec.lambda4j.function.conversion.ByteToCharFunction; import at.gridtec.lambda4j.function.conversion.ByteToDoubleFunction; import at.gridtec.lambda4j.function.conversion.ByteToFloatFunction; import at.gridtec.lambda4j.function.conversion.ByteToIntFunction; import at.gridtec.lambda4j.function.conversion.ByteToLongFunction; import at.gridtec.lambda4j.function.conversion.ByteToShortFunction; import at.gridtec.lambda4j.function.conversion.CharToLongFunction; import at.gridtec.lambda4j.function.conversion.FloatToLongFunction; import at.gridtec.lambda4j.function.conversion.LongToByteFunction; import at.gridtec.lambda4j.function.conversion.ShortToLongFunction; import at.gridtec.lambda4j.function.tri.TriFunction; import at.gridtec.lambda4j.function.tri.TriLongFunction; import at.gridtec.lambda4j.function.tri.to.ToByteTriFunction; import at.gridtec.lambda4j.operator.ternary.ByteTernaryOperator; import at.gridtec.lambda4j.operator.ternary.LongTernaryOperator; import at.gridtec.lambda4j.operator.unary.ByteUnaryOperator; import at.gridtec.lambda4j.predicate.BytePredicate; import at.gridtec.lambda4j.predicate.tri.TriLongPredicate; import org.apache.commons.lang3.tuple.Triple; import javax.annotation.Nonnegative; import javax.annotation.Nonnull; import javax.annotation.Nullable; import java.util.Map; import java.util.Objects; import java.util.concurrent.ConcurrentHashMap; import java.util.function.DoubleToLongFunction; import java.util.function.IntToLongFunction; import java.util.function.LongUnaryOperator; import java.util.function.ToLongFunction; /** * Represents an operation that accepts three {@code long}-valued input arguments and produces a * {@code byte}-valued result. * This is a primitive specialization of {@link TriFunction}. * <p> * This is a {@link FunctionalInterface} whose functional method is {@link #applyAsByte(long, long, long)}. * * @see TriFunction */ @SuppressWarnings("unused") @FunctionalInterface public interface TriLongToByteFunction extends Lambda { /** * Constructs a {@link TriLongToByteFunction} 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 TriLongToByteFunction} 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 TriLongToByteFunction of(@Nullable final TriLongToByteFunction expression) { return expression; } /** * Calls the given {@link TriLongToByteFunction} with the given arguments and returns its result. * * @param function The function to be called * @param value1 The first argument to the function * @param value2 The second argument to the function * @param value3 The third argument to the function * @return The result from the given {@code TriLongToByteFunction}. * @throws NullPointerException If given argument is {@code null} */ static byte call(@Nonnull final TriLongToByteFunction function, long value1, long value2, long value3) { Objects.requireNonNull(function); return function.applyAsByte(value1, value2, value3); } /** * Creates a {@link TriLongToByteFunction} which uses the {@code first} parameter of this one as argument for the * given {@link LongToByteFunction}. * * @param function The function which accepts the {@code first} parameter of this one * @return Creates a {@code TriLongToByteFunction} which uses the {@code first} parameter of this one as argument * for the given {@code LongToByteFunction}. * @throws NullPointerException If given argument is {@code null} */ @Nonnull static TriLongToByteFunction onlyFirst(@Nonnull final LongToByteFunction function) { Objects.requireNonNull(function); return (value1, value2, value3) -> function.applyAsByte(value1); } /** * Creates a {@link TriLongToByteFunction} which uses the {@code second} parameter of this one as argument for the * given {@link LongToByteFunction}. * * @param function The function which accepts the {@code second} parameter of this one * @return Creates a {@code TriLongToByteFunction} which uses the {@code second} parameter of this one as argument * for the given {@code LongToByteFunction}. * @throws NullPointerException If given argument is {@code null} */ @Nonnull static TriLongToByteFunction onlySecond(@Nonnull final LongToByteFunction function) { Objects.requireNonNull(function); return (value1, value2, value3) -> function.applyAsByte(value2); } /** * Creates a {@link TriLongToByteFunction} which uses the {@code third} parameter of this one as argument for the * given {@link LongToByteFunction}. * * @param function The function which accepts the {@code third} parameter of this one * @return Creates a {@code TriLongToByteFunction} which uses the {@code third} parameter of this one as argument * for the given {@code LongToByteFunction}. * @throws NullPointerException If given argument is {@code null} */ @Nonnull static TriLongToByteFunction onlyThird(@Nonnull final LongToByteFunction function) { Objects.requireNonNull(function); return (value1, value2, value3) -> function.applyAsByte(value3); } /** * Creates a {@link TriLongToByteFunction} which always returns a given value. * * @param ret The return value for the constant * @return A {@code TriLongToByteFunction} which always returns a given value. */ @Nonnull static TriLongToByteFunction constant(byte ret) { return (value1, value2, value3) -> ret; } /** * Applies this function to the given arguments. * * @param value1 The first argument to the function * @param value2 The second argument to the function * @param value3 The third argument to the function * @return The return value from the function, which is its result. */ byte applyAsByte(long value1, long value2, long value3); /** * Applies this function partially to some arguments of this one, producing a {@link BiLongToByteFunction} as * result. * * @param value1 The first argument to this function used to partially apply this function * @return A {@code BiLongToByteFunction} that represents this function partially applied the some arguments. */ @Nonnull default BiLongToByteFunction papplyAsByte(long value1) { return (value2, value3) -> this.applyAsByte(value1, value2, value3); } /** * Applies this function partially to some arguments of this one, producing a {@link LongToByteFunction} as result. * * @param value1 The first argument to this function used to partially apply this function * @param value2 The second argument to this function used to partially apply this function * @return A {@code LongToByteFunction} that represents this function partially applied the some arguments. */ @Nonnull default LongToByteFunction papplyAsByte(long value1, long value2) { return (value3) -> this.applyAsByte(value1, value2, value3); } /** * Returns the number of arguments for this function. * * @return The number of arguments for this function. * @implSpec The default implementation always returns {@code 3}. */ @Nonnegative default int arity() { return 3; } /** * Returns a composed {@link ToByteTriFunction} that first applies the {@code before} functions to its input, and * then applies this function 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 <C> The type of the argument to the third given function, and of composed function * @param before1 The first function to apply before this function is applied * @param before2 The second function to apply before this function is applied * @param before3 The third function to apply before this function is applied * @return A composed {@code ToByteTriFunction} that first applies the {@code before} functions to its input, and * then applies this function 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, C> ToByteTriFunction<A, B, C> compose(@Nonnull final ToLongFunction<? super A> before1, @Nonnull final ToLongFunction<? super B> before2, @Nonnull final ToLongFunction<? super C> before3) { Objects.requireNonNull(before1); Objects.requireNonNull(before2); Objects.requireNonNull(before3); return (a, b, c) -> applyAsByte(before1.applyAsLong(a), before2.applyAsLong(b), before3.applyAsLong(c)); } /** * Returns a composed {@link TriBooleanToByteFunction} that first applies the {@code before} functions to its input, * and then applies this 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 * execute an operation which accepts {@code boolean} input, before this primitive function is executed. * * @param before1 The first function to apply before this function is applied * @param before2 The second function to apply before this function is applied * @param before3 The third function to apply before this function is applied * @return A composed {@code TriBooleanToByteFunction} that first applies the {@code before} functions to its input, * and then applies this function 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 TriBooleanToByteFunction composeFromBoolean(@Nonnull final BooleanToLongFunction before1, @Nonnull final BooleanToLongFunction before2, @Nonnull final BooleanToLongFunction before3) { Objects.requireNonNull(before1); Objects.requireNonNull(before2); Objects.requireNonNull(before3); return (value1, value2, value3) -> applyAsByte(before1.applyAsLong(value1), before2.applyAsLong(value2), before3.applyAsLong(value3)); } /** * Returns a composed {@link ByteTernaryOperator} that first applies the {@code before} functions to * its input, and then applies this 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 execute an operation which accepts {@code byte} input, * before this primitive function is executed. * * @param before1 The first function to apply before this function is applied * @param before2 The second function to apply before this function is applied * @param before3 The third function to apply before this function is applied * @return A composed {@code ByteTernaryOperator} that first applies the {@code before} functions to its input, and * then applies this function 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 ByteTernaryOperator composeFromByte(@Nonnull final ByteToLongFunction before1, @Nonnull final ByteToLongFunction before2, @Nonnull final ByteToLongFunction before3) { Objects.requireNonNull(before1); Objects.requireNonNull(before2); Objects.requireNonNull(before3); return (value1, value2, value3) -> applyAsByte(before1.applyAsLong(value1), before2.applyAsLong(value2), before3.applyAsLong(value3)); } /** * Returns a composed {@link TriCharToByteFunction} that first applies the {@code before} functions to * its input, and then applies this 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 execute an operation which accepts {@code char} input, * before this primitive function is executed. * * @param before1 The first function to apply before this function is applied * @param before2 The second function to apply before this function is applied * @param before3 The third function to apply before this function is applied * @return A composed {@code TriCharToByteFunction} that first applies the {@code before} functions to its input, * and then applies this function 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 TriCharToByteFunction composeFromChar(@Nonnull final CharToLongFunction before1, @Nonnull final CharToLongFunction before2, @Nonnull final CharToLongFunction before3) { Objects.requireNonNull(before1); Objects.requireNonNull(before2); Objects.requireNonNull(before3); return (value1, value2, value3) -> applyAsByte(before1.applyAsLong(value1), before2.applyAsLong(value2), before3.applyAsLong(value3)); } /** * Returns a composed {@link TriDoubleToByteFunction} that first applies the {@code before} functions to its input, * and then applies this 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 * execute an operation which accepts {@code double} input, before this primitive function is executed. * * @param before1 The first function to apply before this function is applied * @param before2 The second function to apply before this function is applied * @param before3 The third function to apply before this function is applied * @return A composed {@code TriDoubleToByteFunction} that first applies the {@code before} functions to its input, * and then applies this function 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 TriDoubleToByteFunction composeFromDouble(@Nonnull final DoubleToLongFunction before1, @Nonnull final DoubleToLongFunction before2, @Nonnull final DoubleToLongFunction before3) { Objects.requireNonNull(before1); Objects.requireNonNull(before2); Objects.requireNonNull(before3); return (value1, value2, value3) -> applyAsByte(before1.applyAsLong(value1), before2.applyAsLong(value2), before3.applyAsLong(value3)); } /** * Returns a composed {@link TriFloatToByteFunction} that first applies the {@code before} functions to its input, * and then applies this 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 * execute an operation which accepts {@code float} input, before this primitive function is executed. * * @param before1 The first function to apply before this function is applied * @param before2 The second function to apply before this function is applied * @param before3 The third function to apply before this function is applied * @return A composed {@code TriFloatToByteFunction} that first applies the {@code before} functions to its input, * and then applies this function 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 TriFloatToByteFunction composeFromFloat(@Nonnull final FloatToLongFunction before1, @Nonnull final FloatToLongFunction before2, @Nonnull final FloatToLongFunction before3) { Objects.requireNonNull(before1); Objects.requireNonNull(before2); Objects.requireNonNull(before3); return (value1, value2, value3) -> applyAsByte(before1.applyAsLong(value1), before2.applyAsLong(value2), before3.applyAsLong(value3)); } /** * Returns a composed {@link TriIntToByteFunction} that first applies the {@code before} functions to * its input, and then applies this 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 execute an operation which accepts {@code int} input, * before this primitive function is executed. * * @param before1 The first function to apply before this function is applied * @param before2 The second function to apply before this function is applied * @param before3 The third function to apply before this function is applied * @return A composed {@code TriIntToByteFunction} that first applies the {@code before} functions to its input, and * then applies this function 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 TriIntToByteFunction composeFromInt(@Nonnull final IntToLongFunction before1, @Nonnull final IntToLongFunction before2, @Nonnull final IntToLongFunction before3) { Objects.requireNonNull(before1); Objects.requireNonNull(before2); Objects.requireNonNull(before3); return (value1, value2, value3) -> applyAsByte(before1.applyAsLong(value1), before2.applyAsLong(value2), before3.applyAsLong(value3)); } /** * Returns a composed {@link TriLongToByteFunction} that first applies the {@code before} operators to * its input, and then applies this 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 execute an operation which accepts {@code long} input, * before this primitive function is executed. * * @param before1 The first operator to apply before this function is applied * @param before2 The second operator to apply before this function is applied * @param before3 The third operator to apply before this function is applied * @return A composed {@code TriLongToByteFunction} that first applies the {@code before} operators to its input, * and then applies this function 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 TriLongToByteFunction composeFromLong(@Nonnull final LongUnaryOperator before1, @Nonnull final LongUnaryOperator before2, @Nonnull final LongUnaryOperator before3) { Objects.requireNonNull(before1); Objects.requireNonNull(before2); Objects.requireNonNull(before3); return (value1, value2, value3) -> applyAsByte(before1.applyAsLong(value1), before2.applyAsLong(value2), before3.applyAsLong(value3)); } /** * Returns a composed {@link TriShortToByteFunction} that first applies the {@code before} functions to its input, * and then applies this 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 * execute an operation which accepts {@code short} input, before this primitive function is executed. * * @param before1 The first function to apply before this function is applied * @param before2 The second function to apply before this function is applied * @param before3 The third function to apply before this function is applied * @return A composed {@code TriShortToByteFunction} that first applies the {@code before} functions to its input, * and then applies this function 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 TriShortToByteFunction composeFromShort(@Nonnull final ShortToLongFunction before1, @Nonnull final ShortToLongFunction before2, @Nonnull final ShortToLongFunction before3) { Objects.requireNonNull(before1); Objects.requireNonNull(before2); Objects.requireNonNull(before3); return (value1, value2, value3) -> applyAsByte(before1.applyAsLong(value1), before2.applyAsLong(value2), before3.applyAsLong(value3)); } /** * Returns a composed {@link TriLongFunction} that first applies this function 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 function is applied * @return A composed {@code TriLongFunction} that first applies this function 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> TriLongFunction<S> andThen(@Nonnull final ByteFunction<? extends S> after) { Objects.requireNonNull(after); return (value1, value2, value3) -> after.apply(applyAsByte(value1, value2, value3)); } /** * Returns a composed {@link TriLongPredicate} that first applies this function 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 function to an operation returning {@code boolean}. * * @param after The predicate to apply after this function is applied * @return A composed {@code TriLongPredicate} that first applies this function 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 TriLongPredicate andThenToBoolean(@Nonnull final BytePredicate after) { Objects.requireNonNull(after); return (value1, value2, value3) -> after.test(applyAsByte(value1, value2, value3)); } /** * Returns a composed {@link TriLongToByteFunction} that first applies this function 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 function to an operation returning {@code byte}. * * @param after The operator to apply after this function is applied * @return A composed {@code TriLongToByteFunction} that first applies this function 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 * byte}. */ @Nonnull default TriLongToByteFunction andThenToByte(@Nonnull final ByteUnaryOperator after) { Objects.requireNonNull(after); return (value1, value2, value3) -> after.applyAsByte(applyAsByte(value1, value2, value3)); } /** * Returns a composed {@link TriLongToCharFunction} that first applies this function 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 function to an operation returning {@code char}. * * @param after The function to apply after this function is applied * @return A composed {@code TriLongToCharFunction} that first applies this function 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 TriLongToCharFunction andThenToChar(@Nonnull final ByteToCharFunction after) { Objects.requireNonNull(after); return (value1, value2, value3) -> after.applyAsChar(applyAsByte(value1, value2, value3)); } /** * Returns a composed {@link TriLongToDoubleFunction} that first applies this function 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 function to an operation returning {@code double}. * * @param after The function to apply after this function is applied * @return A composed {@code TriLongToDoubleFunction} that first applies this function 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 TriLongToDoubleFunction andThenToDouble(@Nonnull final ByteToDoubleFunction after) { Objects.requireNonNull(after); return (value1, value2, value3) -> after.applyAsDouble(applyAsByte(value1, value2, value3)); } /** * Returns a composed {@link TriLongToFloatFunction} that first applies this function 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 function to an operation returning {@code float}. * * @param after The function to apply after this function is applied * @return A composed {@code TriLongToFloatFunction} that first applies this function 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 TriLongToFloatFunction andThenToFloat(@Nonnull final ByteToFloatFunction after) { Objects.requireNonNull(after); return (value1, value2, value3) -> after.applyAsFloat(applyAsByte(value1, value2, value3)); } /** * Returns a composed {@link TriLongToIntFunction} that first applies this function 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 function to an operation returning {@code int}. * * @param after The function to apply after this function is applied * @return A composed {@code TriLongToIntFunction} that first applies this function 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 TriLongToIntFunction andThenToInt(@Nonnull final ByteToIntFunction after) { Objects.requireNonNull(after); return (value1, value2, value3) -> after.applyAsInt(applyAsByte(value1, value2, value3)); } /** * Returns a composed {@link LongTernaryOperator} that first applies this function 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 function to an operation returning {@code long}. * * @param after The function to apply after this function is applied * @return A composed {@code LongTernaryOperator} that first applies this function 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 LongTernaryOperator andThenToLong(@Nonnull final ByteToLongFunction after) { Objects.requireNonNull(after); return (value1, value2, value3) -> after.applyAsLong(applyAsByte(value1, value2, value3)); } /** * Returns a composed {@link TriLongToShortFunction} that first applies this function 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 function to an operation returning {@code short}. * * @param after The function to apply after this function is applied * @return A composed {@code TriLongToShortFunction} that first applies this function 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 * short}. */ @Nonnull default TriLongToShortFunction andThenToShort(@Nonnull final ByteToShortFunction after) { Objects.requireNonNull(after); return (value1, value2, value3) -> after.applyAsShort(applyAsByte(value1, value2, value3)); } /** * Returns a composed {@link TriLongConsumer} that fist applies this function to its input, and then consumes the * result using the given {@link ByteConsumer}. 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 TriLongConsumer} that first applies this function to its input, and then consumes the * result using the given {@code ByteConsumer}. * @throws NullPointerException If given argument is {@code null} */ @Nonnull default TriLongConsumer consume(@Nonnull final ByteConsumer consumer) { Objects.requireNonNull(consumer); return (value1, value2, value3) -> consumer.accept(applyAsByte(value1, value2, value3)); } /** * Returns a memoized (caching) version of this {@link TriLongToByteFunction}. 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 function and therefore the used cache will be garbage-collected, it will keep all memoized values * forever. * * @return A memoized (caching) version of this {@code TriLongToByteFunction}. * @implSpec This implementation does not allow the input parameters or return value to be {@code null} for the * resulting memoized function, as the cache used internally does not permit {@code null} keys or values. * @implNote The returned memoized function can be safely used concurrently from multiple threads which makes it * thread-safe. */ @Nonnull default TriLongToByteFunction memoized() { if (isMemoized()) { return this; } else { final Map<Triple<Long, Long, Long>, Byte> cache = new ConcurrentHashMap<>(); final Object lock = new Object(); return (TriLongToByteFunction & Memoized) (value1, value2, value3) -> { final byte returnValue; synchronized (lock) { returnValue = cache.computeIfAbsent(Triple.of(value1, value2, value3), key -> applyAsByte(key.getLeft(), key.getMiddle(), key.getRight())); } return returnValue; }; } } /** * Returns a composed {@link TriFunction} which represents this {@link TriLongToByteFunction}. Thereby the primitive * input argument for this function is autoboxed. This method provides the possibility to use this * {@code TriLongToByteFunction} with methods provided by the {@code JDK}. * * @return A composed {@code TriFunction} which represents this {@code TriLongToByteFunction}. */ @Nonnull default TriFunction<Long, Long, Long, Byte> boxed() { return this::applyAsByte; } }