Example usage for java.util.function DoubleFunction apply

Introduction

In this page you can find the example usage for java.util.function DoubleFunction apply.

Prototype

R apply(double value);

Source Link

Document

Applies this function to the given argument.

Usage

From source file:at.gridtec.lambda4j.function.bi.conversion.BiShortToDoubleFunction.java

/**
 * Returns a composed {@link BiShortFunction} 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 BiShortFunction} 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.
 *///from   w w w.  ja v  a 2  s. c  o  m
@Nonnull
default <S> BiShortFunction<S> andThen(@Nonnull final DoubleFunction<? extends S> after) {
    Objects.requireNonNull(after);
    return (value1, value2) -> after.apply(applyAsDouble(value1, value2));
}

From source file:at.gridtec.lambda4j.function.bi.conversion.BiIntToDoubleFunction.java

/**
 * Returns a composed {@link BiIntFunction} 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 BiIntFunction} 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.
 *//*  w  w w .  j a v a 2s .  com*/
@Nonnull
default <S> BiIntFunction<S> andThen(@Nonnull final DoubleFunction<? extends S> after) {
    Objects.requireNonNull(after);
    return (value1, value2) -> after.apply(applyAsDouble(value1, value2));
}

From source file:at.gridtec.lambda4j.function.bi.conversion.BiLongToDoubleFunction.java

/**
 * Returns a composed {@link BiLongFunction} 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 BiLongFunction} 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.
 *//*from w  w w .j  ava  2s.c om*/
@Nonnull
default <S> BiLongFunction<S> andThen(@Nonnull final DoubleFunction<? extends S> after) {
    Objects.requireNonNull(after);
    return (value1, value2) -> after.apply(applyAsDouble(value1, value2));
}

From source file:at.gridtec.lambda4j.function.bi.obj.ObjBooleanFunction.java

/**
 * Returns a composed {@link BiDoubleFunction} 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 predicate to apply before this function is applied
 * @return A composed {@code BiDoubleFunction} 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}./*from   w  w w .  ja  v a2  s. co  m*/
 */
@Nonnull
default BiDoubleFunction<R> composeFromDouble(@Nonnull final DoubleFunction<? extends T> before1,
        @Nonnull final DoublePredicate before2) {
    Objects.requireNonNull(before1);
    Objects.requireNonNull(before2);
    return (value1, value2) -> apply(before1.apply(value1), before2.test(value2));
}

From source file:at.gridtec.lambda4j.function.bi.obj.ObjByteFunction.java

/**
 * Returns a composed {@link BiDoubleFunction} 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
 * @return A composed {@code BiDoubleFunction} 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}./*w  ww  .  ja v a 2 s .  c o  m*/
 */
@Nonnull
default BiDoubleFunction<R> composeFromDouble(@Nonnull final DoubleFunction<? extends T> before1,
        @Nonnull final DoubleToByteFunction before2) {
    Objects.requireNonNull(before1);
    Objects.requireNonNull(before2);
    return (value1, value2) -> apply(before1.apply(value1), before2.applyAsByte(value2));
}

From source file:at.gridtec.lambda4j.function.bi.obj.ObjCharFunction.java

/**
 * Returns a composed {@link BiDoubleFunction} 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
 * @return A composed {@code BiDoubleFunction} 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}.//w  w w . j  av a2  s.  c  o  m
 */
@Nonnull
default BiDoubleFunction<R> composeFromDouble(@Nonnull final DoubleFunction<? extends T> before1,
        @Nonnull final DoubleToCharFunction before2) {
    Objects.requireNonNull(before1);
    Objects.requireNonNull(before2);
    return (value1, value2) -> apply(before1.apply(value1), before2.applyAsChar(value2));
}

From source file:at.gridtec.lambda4j.function.bi.obj.ObjIntFunction.java

/**
 * Returns a composed {@link BiDoubleFunction} 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
 * @return A composed {@code BiDoubleFunction} 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}./* w  w w  . j a va  2 s  . c o  m*/
 */
@Nonnull
default BiDoubleFunction<R> composeFromDouble(@Nonnull final DoubleFunction<? extends T> before1,
        @Nonnull final DoubleToIntFunction before2) {
    Objects.requireNonNull(before1);
    Objects.requireNonNull(before2);
    return (value1, value2) -> apply(before1.apply(value1), before2.applyAsInt(value2));
}

From source file:at.gridtec.lambda4j.function.bi.obj.ObjDoubleFunction.java

/**
 * Returns a composed {@link BiDoubleFunction} 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 operator to apply before this function is applied
 * @return A composed {@code BiDoubleFunction} 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}./*from  ww  w  .j ava2  s.  c  om*/
 */
@Nonnull
default BiDoubleFunction<R> composeFromDouble(@Nonnull final DoubleFunction<? extends T> before1,
        @Nonnull final DoubleUnaryOperator before2) {
    Objects.requireNonNull(before1);
    Objects.requireNonNull(before2);
    return (value1, value2) -> apply(before1.apply(value1), before2.applyAsDouble(value2));
}

From source file:at.gridtec.lambda4j.function.bi.obj.ObjLongFunction.java

/**
 * Returns a composed {@link BiDoubleFunction} 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
 * @return A composed {@code BiDoubleFunction} 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}.//from   ww  w  . j ava2s.c o m
 */
@Nonnull
default BiDoubleFunction<R> composeFromDouble(@Nonnull final DoubleFunction<? extends T> before1,
        @Nonnull final DoubleToLongFunction before2) {
    Objects.requireNonNull(before1);
    Objects.requireNonNull(before2);
    return (value1, value2) -> apply(before1.apply(value1), before2.applyAsLong(value2));
}

From source file:at.gridtec.lambda4j.function.bi.obj.ObjFloatFunction.java

/**
 * Returns a composed {@link BiDoubleFunction} 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
 * @return A composed {@code BiDoubleFunction} 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}.//from  w ww .ja v  a2 s .  co m
 */
@Nonnull
default BiDoubleFunction<R> composeFromDouble(@Nonnull final DoubleFunction<? extends T> before1,
        @Nonnull final DoubleToFloatFunction before2) {
    Objects.requireNonNull(before1);
    Objects.requireNonNull(before2);
    return (value1, value2) -> apply(before1.apply(value1), before2.applyAsFloat(value2));
}