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eu.lunisolar.magma.func.function.conversion.LFltToIntFunction Maven / Gradle / Ivy
/*
* This file is part of "lunisolar-magma".
*
* (C) Copyright 2014-2019 Lunisolar (http://lunisolar.eu/).
*
* 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 eu.lunisolar.magma.func.function.conversion;
import javax.annotation.Nonnull; // NOSONAR
import javax.annotation.Nullable; // NOSONAR
import java.util.Comparator; // NOSONAR
import java.util.Objects; // NOSONAR
import eu.lunisolar.magma.basics.*; //NOSONAR
import eu.lunisolar.magma.basics.builder.*; // NOSONAR
import eu.lunisolar.magma.basics.exceptions.*; // NOSONAR
import eu.lunisolar.magma.basics.meta.*; // NOSONAR
import eu.lunisolar.magma.basics.meta.aType.*; // NOSONAR
import eu.lunisolar.magma.basics.meta.functional.*; // NOSONAR
import eu.lunisolar.magma.basics.meta.functional.type.*; // NOSONAR
import eu.lunisolar.magma.basics.meta.functional.domain.*; // NOSONAR
import eu.lunisolar.magma.func.IA;
import eu.lunisolar.magma.func.SA;
import eu.lunisolar.magma.func.*; // NOSONAR
import eu.lunisolar.magma.func.tuple.*; // NOSONAR
import java.util.function.*; // NOSONAR
import java.util.*; // NOSONAR
import java.lang.reflect.*;
import eu.lunisolar.magma.func.action.*; // NOSONAR
import eu.lunisolar.magma.func.consumer.*; // NOSONAR
import eu.lunisolar.magma.func.consumer.primitives.*; // NOSONAR
import eu.lunisolar.magma.func.consumer.primitives.bi.*; // NOSONAR
import eu.lunisolar.magma.func.consumer.primitives.obj.*; // NOSONAR
import eu.lunisolar.magma.func.consumer.primitives.tri.*; // NOSONAR
import eu.lunisolar.magma.func.function.*; // NOSONAR
import eu.lunisolar.magma.func.function.conversion.*; // NOSONAR
import eu.lunisolar.magma.func.function.from.*; // NOSONAR
import eu.lunisolar.magma.func.function.to.*; // NOSONAR
import eu.lunisolar.magma.func.operator.binary.*; // NOSONAR
import eu.lunisolar.magma.func.operator.ternary.*; // NOSONAR
import eu.lunisolar.magma.func.operator.unary.*; // NOSONAR
import eu.lunisolar.magma.func.predicate.*; // NOSONAR
import eu.lunisolar.magma.func.supplier.*; // NOSONAR
/**
* Non-throwing functional interface (lambda) LFltToIntFunction for Java 8.
*
* Type: function
*
* Domain (lvl: 1): float a
*
* Co-domain: int
*
*/
@FunctionalInterface
@SuppressWarnings("UnusedDeclaration")
public interface LFltToIntFunction extends MetaFunction, MetaInterface.NonThrowing, Codomain, Domain1 { // NOSONAR
String DESCRIPTION = "LFltToIntFunction: int applyAsInt(float a)";
// int applyAsInt(float a) ;
default int applyAsInt(float a) {
// return nestingApplyAsInt(a);
try {
return this.applyAsIntX(a);
} catch (Throwable e) { // NOSONAR
throw Handling.nestCheckedAndThrow(e);
}
}
/**
* Implement this, but call applyAsInt(float a)
*/
int applyAsIntX(float a) throws Throwable;
default int tupleApplyAsInt(LFltSingle args) {
return applyAsInt(args.value());
}
/** Function call that handles exceptions according to the instructions. */
default int handlingApplyAsInt(float a, HandlingInstructions handling) {
try {
return this.applyAsIntX(a);
} catch (Throwable e) { // NOSONAR
throw Handler.handleOrNest(e, handling);
}
}
default LFltToIntFunction handling(HandlingInstructions handling) {
return a -> handlingApplyAsInt(a, handling);
}
default int applyAsInt(float a, @Nonnull ExWMF exF, @Nonnull String newMessage, @Nullable Object... messageParams) {
try {
return this.applyAsIntX(a);
} catch (Throwable e) { // NOSONAR
throw Handling.wrap(e, exF, newMessage, messageParams);
}
}
default LFltToIntFunction trying(@Nonnull ExWMF exF, @Nonnull String newMessage, @Nullable Object... messageParams) {
return a -> applyAsInt(a, exF, newMessage, messageParams);
}
default int applyAsInt(float a, @Nonnull ExWF exF) {
try {
return this.applyAsIntX(a);
} catch (Throwable e) { // NOSONAR
throw Handling.wrap(e, exF);
}
}
default LFltToIntFunction trying(@Nonnull ExWF exF) {
return a -> applyAsInt(a, exF);
}
default int applyAsIntThen(float a, @Nonnull LToIntFunction handler) {
try {
return this.applyAsIntX(a);
} catch (Throwable e) { // NOSONAR
Handling.handleErrors(e);
return handler.applyAsInt(e);
}
}
default LFltToIntFunction tryingThen(@Nonnull LToIntFunction handler) {
return a -> applyAsIntThen(a, handler);
}
/** Function call that handles exceptions by always nesting checked exceptions and propagating the others as is. */
default int nestingApplyAsInt(float a) {
try {
return this.applyAsIntX(a);
} catch (Throwable e) { // NOSONAR
throw Handling.nestCheckedAndThrow(e);
}
}
/** Function call that handles exceptions by always propagating them as is, even when they are undeclared checked ones. */
default int shovingApplyAsInt(float a) {
try {
return this.applyAsIntX(a);
} catch (Throwable e) { // NOSONAR
throw Handling.shoveIt(e);
}
}
static int handlingApplyAsInt(float a, LFltToIntFunction func, HandlingInstructions handling) { // <-
Null.nonNullArg(func, "func");
return func.handlingApplyAsInt(a, handling);
}
static int tryApplyAsInt(float a, LFltToIntFunction func) {
Null.nonNullArg(func, "func");
return func.nestingApplyAsInt(a);
}
static int tryApplyAsInt(float a, LFltToIntFunction func, @Nonnull ExWMF exF, @Nonnull String newMessage, @Nullable Object... messageParams) {
Null.nonNullArg(func, "func");
return func.applyAsInt(a, exF, newMessage, messageParams);
}
static int tryApplyAsInt(float a, LFltToIntFunction func, @Nonnull ExWF exF) {
Null.nonNullArg(func, "func");
return func.applyAsInt(a, exF);
}
static int tryApplyAsIntThen(float a, LFltToIntFunction func, @Nonnull LToIntFunction handler) {
Null.nonNullArg(func, "func");
return func.applyAsIntThen(a, handler);
}
default int failSafeApplyAsInt(float a, @Nonnull LFltToIntFunction failSafe) {
try {
return applyAsInt(a);
} catch (Throwable e) { // NOSONAR
Handling.handleErrors(e);
return failSafe.applyAsInt(a);
}
}
static int failSafeApplyAsInt(float a, LFltToIntFunction func, @Nonnull LFltToIntFunction failSafe) {
Null.nonNullArg(failSafe, "failSafe");
if (func == null) {
return failSafe.applyAsInt(a);
} else {
return func.failSafeApplyAsInt(a, failSafe);
}
}
static LFltToIntFunction failSafe(LFltToIntFunction func, @Nonnull LFltToIntFunction failSafe) {
Null.nonNullArg(failSafe, "failSafe");
return a -> failSafeApplyAsInt(a, func, failSafe);
}
/** Just to mirror the method: Ensures the result is not null */
default int nonNullApplyAsInt(float a) {
return applyAsInt(a);
}
/** Returns description of the functional interface. */
@Nonnull
default String functionalInterfaceDescription() {
return LFltToIntFunction.DESCRIPTION;
}
/** From-To. Intended to be used with non-capturing lambda. */
public static void fromTo(int min_i, int max_i, float a, LFltToIntFunction func) {
Null.nonNullArg(func, "func");
if (min_i <= max_i) {
for (int i = min_i; i <= max_i; i++) {
func.applyAsInt(a);
}
} else {
for (int i = min_i; i >= max_i; i--) {
func.applyAsInt(a);
}
}
}
/** From-To. Intended to be used with non-capturing lambda. */
public static void fromTill(int min_i, int max_i, float a, LFltToIntFunction func) {
Null.nonNullArg(func, "func");
if (min_i <= max_i) {
for (int i = min_i; i < max_i; i++) {
func.applyAsInt(a);
}
} else {
for (int i = min_i; i > max_i; i--) {
func.applyAsInt(a);
}
}
}
/** From-To. Intended to be used with non-capturing lambda. */
public static void times(int max_i, float a, LFltToIntFunction func) {
if (max_i < 0)
return;
fromTill(0, max_i, a, func);
}
/** Captures arguments but delays the evaluation. */
default LIntSupplier capture(float a) {
return () -> this.applyAsInt(a);
}
/** Creates function that always returns the same value. */
static LFltToIntFunction constant(int r) {
return a -> r;
}
/** Convenient method in case lambda expression is ambiguous for the compiler (that might happen for overloaded methods accepting different interfaces). */
@Nonnull
static LFltToIntFunction fltToIntFunc(final @Nonnull LFltToIntFunction lambda) {
Null.nonNullArg(lambda, "lambda");
return lambda;
}
@Nonnull
static LFltToIntFunction recursive(final @Nonnull LFunction selfLambda) {
final LFltToIntFunctionSingle single = new LFltToIntFunctionSingle();
LFltToIntFunction func = selfLambda.apply(single);
single.target = func;
return func;
}
final class LFltToIntFunctionSingle implements LSingle, LFltToIntFunction {
private LFltToIntFunction target = null;
@Override
public int applyAsIntX(float a) throws Throwable {
return target.applyAsIntX(a);
}
@Override
public LFltToIntFunction value() {
return target;
}
}
@Nonnull
static LFltToIntFunction fltToIntFuncThrowing(final @Nonnull ExF exF) {
Null.nonNullArg(exF, "exF");
return a -> {
throw exF.produce();
};
}
@Nonnull
static LFltToIntFunction fltToIntFuncThrowing(final String message, final @Nonnull ExMF exF) {
Null.nonNullArg(exF, "exF");
return a -> {
throw exF.produce(message);
};
}
static int call(float a, final @Nonnull LFltToIntFunction lambda) {
Null.nonNullArg(lambda, "lambda");
return lambda.applyAsInt(a);
}
//
//
//
/** Safe instance. That always returns the same value (as produceInt). */
@Nonnull
static LFltToIntFunction safe() {
return LFltToIntFunction::produceInt;
}
/** Safe instance supplier. Returns supplier of safe() instance. */
@Nonnull
static LSupplier safeSupplier() {
return () -> safe();
}
/** Safe wrapping. Either argument function is returned (if it is not null) or safe() instance. */
@Nonnull
static LFltToIntFunction safe(final @Nullable LFltToIntFunction other) {
if (other == null) {
return safe();
} else {
return other;
}
}
/** Safe supplier. Either argument supplier is returned (if it is not null) or supplier of safe() instance. */
@Nonnull
static LSupplier safeSupplier(final @Nullable LSupplier supplier) {
if (supplier == null) {
return safeSupplier();
} else {
return supplier;
}
}
//
//
/** Allows to manipulate the domain of the function. */
@Nonnull
default LFltToIntFunction compose(@Nonnull final LFltUnaryOperator before) {
Null.nonNullArg(before, "before");
return v -> this.applyAsInt(before.applyAsFlt(v));
}
public static LFltToIntFunction composed(@Nonnull final LFltUnaryOperator before, LFltToIntFunction after) {
return after.compose(before);
}
/** Allows to manipulate the domain of the function. */
@Nonnull
default LToIntFunction fltToIntFuncCompose(@Nonnull final LToFltFunction before) {
Null.nonNullArg(before, "before");
return v -> this.applyAsInt(before.applyAsFlt(v));
}
public static LToIntFunction composed(@Nonnull final LToFltFunction before, LFltToIntFunction after) {
return after.fltToIntFuncCompose(before);
}
//
//
/** Combines two functions together in a order. */
@Nonnull
default LFltFunction then(@Nonnull LIntFunction after) {
Null.nonNullArg(after, "after");
return a -> after.apply(this.applyAsInt(a));
}
/** Combines two functions together in a order. */
@Nonnull
default LFltToByteFunction thenToByte(@Nonnull LIntToByteFunction after) {
Null.nonNullArg(after, "after");
return a -> after.applyAsByte(this.applyAsInt(a));
}
/** Combines two functions together in a order. */
@Nonnull
default LFltToSrtFunction thenToSrt(@Nonnull LIntToSrtFunction after) {
Null.nonNullArg(after, "after");
return a -> after.applyAsSrt(this.applyAsInt(a));
}
/** Combines two functions together in a order. */
@Nonnull
default LFltToIntFunction thenToInt(@Nonnull LIntUnaryOperator after) {
Null.nonNullArg(after, "after");
return a -> after.applyAsInt(this.applyAsInt(a));
}
/** Combines two functions together in a order. */
@Nonnull
default LFltToLongFunction thenToLong(@Nonnull LIntToLongFunction after) {
Null.nonNullArg(after, "after");
return a -> after.applyAsLong(this.applyAsInt(a));
}
/** Combines two functions together in a order. */
@Nonnull
default LFltUnaryOperator thenToFlt(@Nonnull LIntToFltFunction after) {
Null.nonNullArg(after, "after");
return a -> after.applyAsFlt(this.applyAsInt(a));
}
/** Combines two functions together in a order. */
@Nonnull
default LFltToDblFunction thenToDbl(@Nonnull LIntToDblFunction after) {
Null.nonNullArg(after, "after");
return a -> after.applyAsDbl(this.applyAsInt(a));
}
/** Combines two functions together in a order. */
@Nonnull
default LFltToCharFunction thenToChar(@Nonnull LIntToCharFunction after) {
Null.nonNullArg(after, "after");
return a -> after.applyAsChar(this.applyAsInt(a));
}
/** Combines two functions together in a order. */
@Nonnull
default LFltPredicate thenToBool(@Nonnull LIntPredicate after) {
Null.nonNullArg(after, "after");
return a -> after.test(this.applyAsInt(a));
}
//
//
//
/** Does nothing (LFltToIntFunction) Function */
public static int produceInt(float a) {
return Function4U.defaultInteger;
}
/**
* For each element (or tuple) from arguments, calls the function and passes the result to consumer.
* Thread safety, fail-fast, fail-safety of this method is not expected.
*/
default void forEach(IndexedRead ia, C0 source, LIntConsumer consumer) {
int size = ia.size(source);
LOiToFltFunction oiFunc0 = (LOiToFltFunction) ia.getter();
int i = 0;
for (; i < size; i++) {
float a = oiFunc0.applyAsFlt(source, i);
consumer.accept(this.applyAsInt(a));
}
}
/**
* For each element (or tuple) from arguments, calls the function and passes the result to consumer.
* Thread safety, fail-fast, fail-safety of this method depends highly on the arguments.
*/
default void iterate(SequentialRead sa, C0 source, LIntConsumer consumer) {
Object iterator0 = ((LFunction) sa.adapter()).apply(source);
LPredicate testFunc0 = (LPredicate) sa.tester();
LToFltFunction nextFunc0 = (LToFltFunction) sa.supplier();
while (testFunc0.test(iterator0)) {
float a = nextFunc0.applyAsFlt(iterator0);
consumer.accept(this.applyAsInt(a));
}
}
}
