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eu.lunisolar.magma.func.operator.binary.LCharBinaryOperator 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.operator.binary;
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) LCharBinaryOperator for Java 8.
*
* Type: operator
*
* Domain (lvl: 2): char a1,char a2
*
* Co-domain: char
*
*/
@FunctionalInterface
@SuppressWarnings("UnusedDeclaration")
public interface LCharBinaryOperator extends MetaOperator, MetaInterface.NonThrowing, Codomain, Domain2 { // NOSONAR
String DESCRIPTION = "LCharBinaryOperator: char applyAsChar(char a1,char a2)";
// char applyAsChar(char a1,char a2) ;
default char applyAsChar(char a1, char a2) {
// return nestingApplyAsChar(a1,a2);
try {
return this.applyAsCharX(a1, a2);
} catch (Throwable e) { // NOSONAR
throw Handling.nestCheckedAndThrow(e);
}
}
/**
* Implement this, but call applyAsChar(char a1,char a2)
*/
char applyAsCharX(char a1, char a2) throws Throwable;
default char tupleApplyAsChar(LCharPair args) {
return applyAsChar(args.first(), args.second());
}
/** Function call that handles exceptions according to the instructions. */
default char handlingApplyAsChar(char a1, char a2, HandlingInstructions handling) {
try {
return this.applyAsCharX(a1, a2);
} catch (Throwable e) { // NOSONAR
throw Handler.handleOrNest(e, handling);
}
}
default LCharBinaryOperator handling(HandlingInstructions handling) {
return (a1, a2) -> handlingApplyAsChar(a1, a2, handling);
}
default char applyAsChar(char a1, char a2, @Nonnull ExWMF exF, @Nonnull String newMessage, @Nullable Object... messageParams) {
try {
return this.applyAsCharX(a1, a2);
} catch (Throwable e) { // NOSONAR
throw Handling.wrap(e, exF, newMessage, messageParams);
}
}
default LCharBinaryOperator trying(@Nonnull ExWMF exF, @Nonnull String newMessage, @Nullable Object... messageParams) {
return (a1, a2) -> applyAsChar(a1, a2, exF, newMessage, messageParams);
}
default char applyAsChar(char a1, char a2, @Nonnull ExWF exF) {
try {
return this.applyAsCharX(a1, a2);
} catch (Throwable e) { // NOSONAR
throw Handling.wrap(e, exF);
}
}
default LCharBinaryOperator trying(@Nonnull ExWF exF) {
return (a1, a2) -> applyAsChar(a1, a2, exF);
}
default char applyAsCharThen(char a1, char a2, @Nonnull LToCharFunction handler) {
try {
return this.applyAsCharX(a1, a2);
} catch (Throwable e) { // NOSONAR
Handling.handleErrors(e);
return handler.applyAsChar(e);
}
}
default LCharBinaryOperator tryingThen(@Nonnull LToCharFunction handler) {
return (a1, a2) -> applyAsCharThen(a1, a2, handler);
}
/** Function call that handles exceptions by always nesting checked exceptions and propagating the others as is. */
default char nestingApplyAsChar(char a1, char a2) {
try {
return this.applyAsCharX(a1, a2);
} 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 char shovingApplyAsChar(char a1, char a2) {
try {
return this.applyAsCharX(a1, a2);
} catch (Throwable e) { // NOSONAR
throw Handling.shoveIt(e);
}
}
static char handlingApplyAsChar(char a1, char a2, LCharBinaryOperator func, HandlingInstructions handling) { // <-
Null.nonNullArg(func, "func");
return func.handlingApplyAsChar(a1, a2, handling);
}
static char tryApplyAsChar(char a1, char a2, LCharBinaryOperator func) {
Null.nonNullArg(func, "func");
return func.nestingApplyAsChar(a1, a2);
}
static char tryApplyAsChar(char a1, char a2, LCharBinaryOperator func, @Nonnull ExWMF exF, @Nonnull String newMessage, @Nullable Object... messageParams) {
Null.nonNullArg(func, "func");
return func.applyAsChar(a1, a2, exF, newMessage, messageParams);
}
static char tryApplyAsChar(char a1, char a2, LCharBinaryOperator func, @Nonnull ExWF exF) {
Null.nonNullArg(func, "func");
return func.applyAsChar(a1, a2, exF);
}
static char tryApplyAsCharThen(char a1, char a2, LCharBinaryOperator func, @Nonnull LToCharFunction handler) {
Null.nonNullArg(func, "func");
return func.applyAsCharThen(a1, a2, handler);
}
default char failSafeApplyAsChar(char a1, char a2, @Nonnull LCharBinaryOperator failSafe) {
try {
return applyAsChar(a1, a2);
} catch (Throwable e) { // NOSONAR
Handling.handleErrors(e);
return failSafe.applyAsChar(a1, a2);
}
}
static char failSafeApplyAsChar(char a1, char a2, LCharBinaryOperator func, @Nonnull LCharBinaryOperator failSafe) {
Null.nonNullArg(failSafe, "failSafe");
if (func == null) {
return failSafe.applyAsChar(a1, a2);
} else {
return func.failSafeApplyAsChar(a1, a2, failSafe);
}
}
static LCharBinaryOperator failSafe(LCharBinaryOperator func, @Nonnull LCharBinaryOperator failSafe) {
Null.nonNullArg(failSafe, "failSafe");
return (a1, a2) -> failSafeApplyAsChar(a1, a2, func, failSafe);
}
/** Just to mirror the method: Ensures the result is not null */
default char nonNullApplyAsChar(char a1, char a2) {
return applyAsChar(a1, a2);
}
/** Returns description of the functional interface. */
@Nonnull
default String functionalInterfaceDescription() {
return LCharBinaryOperator.DESCRIPTION;
}
/** From-To. Intended to be used with non-capturing lambda. */
public static void fromTo(int min_i, int max_i, char a1, char a2, LCharBinaryOperator func) {
Null.nonNullArg(func, "func");
if (min_i <= max_i) {
for (int i = min_i; i <= max_i; i++) {
func.applyAsChar(a1, a2);
}
} else {
for (int i = min_i; i >= max_i; i--) {
func.applyAsChar(a1, a2);
}
}
}
/** From-To. Intended to be used with non-capturing lambda. */
public static void fromTill(int min_i, int max_i, char a1, char a2, LCharBinaryOperator func) {
Null.nonNullArg(func, "func");
if (min_i <= max_i) {
for (int i = min_i; i < max_i; i++) {
func.applyAsChar(a1, a2);
}
} else {
for (int i = min_i; i > max_i; i--) {
func.applyAsChar(a1, a2);
}
}
}
/** From-To. Intended to be used with non-capturing lambda. */
public static void times(int max_i, char a1, char a2, LCharBinaryOperator func) {
if (max_i < 0)
return;
fromTill(0, max_i, a1, a2, func);
}
public default LCharUnaryOperator lShrink(LCharUnaryOperator left) {
return a2 -> applyAsChar(left.applyAsChar(a2), a2);
}
public default LCharUnaryOperator lShrinkc(char a1) {
return a2 -> applyAsChar(a1, a2);
}
public static LCharUnaryOperator lShrinked(LCharUnaryOperator left, LCharBinaryOperator func) {
return func.lShrink(left);
}
public static LCharUnaryOperator lShrinkedc(char a1, LCharBinaryOperator func) {
return func.lShrinkc(a1);
}
public default LCharUnaryOperator rShrink(LCharUnaryOperator right) {
return a1 -> applyAsChar(a1, right.applyAsChar(a1));
}
public default LCharUnaryOperator rShrinkc(char a2) {
return a1 -> applyAsChar(a1, a2);
}
public static LCharUnaryOperator rShrinked(LCharUnaryOperator right, LCharBinaryOperator func) {
return func.rShrink(right);
}
public static LCharUnaryOperator rShrinkedc(char a2, LCharBinaryOperator func) {
return func.rShrinkc(a2);
}
/** */
public static LCharBinaryOperator uncurry(LCharFunction func) {
return (char a1, char a2) -> func.apply(a1).applyAsChar(a2);
}
/** Captures arguments but delays the evaluation. */
default LCharSupplier capture(char a1, char a2) {
return () -> this.applyAsChar(a1, a2);
}
/** Creates function that always returns the same value. */
static LCharBinaryOperator constant(char r) {
return (a1, a2) -> r;
}
/** Captures single parameter function into this interface where only 1st parameter will be used. */
@Nonnull
static LCharBinaryOperator apply1stAsChar(@Nonnull LCharUnaryOperator func) {
return (a1, a2) -> func.applyAsChar(a1);
}
/** Captures single parameter function into this interface where only 2nd parameter will be used. */
@Nonnull
static LCharBinaryOperator apply2ndAsChar(@Nonnull LCharUnaryOperator func) {
return (a1, a2) -> func.applyAsChar(a2);
}
/** Convenient method in case lambda expression is ambiguous for the compiler (that might happen for overloaded methods accepting different interfaces). */
@Nonnull
static LCharBinaryOperator charBinaryOp(final @Nonnull LCharBinaryOperator lambda) {
Null.nonNullArg(lambda, "lambda");
return lambda;
}
@Nonnull
static LCharBinaryOperator recursive(final @Nonnull LFunction selfLambda) {
final LCharBinaryOperatorSingle single = new LCharBinaryOperatorSingle();
LCharBinaryOperator func = selfLambda.apply(single);
single.target = func;
return func;
}
final class LCharBinaryOperatorSingle implements LSingle, LCharBinaryOperator {
private LCharBinaryOperator target = null;
@Override
public char applyAsCharX(char a1, char a2) throws Throwable {
return target.applyAsCharX(a1, a2);
}
@Override
public LCharBinaryOperator value() {
return target;
}
}
@Nonnull
static LCharBinaryOperator charBinaryOpThrowing(final @Nonnull ExF exF) {
Null.nonNullArg(exF, "exF");
return (a1, a2) -> {
throw exF.produce();
};
}
@Nonnull
static LCharBinaryOperator charBinaryOpThrowing(final String message, final @Nonnull ExMF exF) {
Null.nonNullArg(exF, "exF");
return (a1, a2) -> {
throw exF.produce(message);
};
}
static char call(char a1, char a2, final @Nonnull LCharBinaryOperator lambda) {
Null.nonNullArg(lambda, "lambda");
return lambda.applyAsChar(a1, a2);
}
//
//
//
/** Safe instance. That always returns the same value (as produceChar). */
@Nonnull
static LCharBinaryOperator safe() {
return LCharBinaryOperator::produceChar;
}
/** 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 LCharBinaryOperator safe(final @Nullable LCharBinaryOperator 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;
}
}
//
/**
* Creates function that returns the lesser value according to the comparator.
* @see {@link java.util.function.BinaryOperator#minBy}
*/
@Nonnull
static LCharBinaryOperator minBy(@Nonnull Comparator comparator) {
Null.nonNullArg(comparator, "comparator");
return (a, b) -> comparator.compare(a, b) <= 0 ? a : b;
}
/**
* Creates function that returns the lesser value according to the comparator.
* @see {@link java.util.function.BinaryOperator#maxBy}
*/
@Nonnull
static LCharBinaryOperator maxBy(@Nonnull Comparator comparator) {
Null.nonNullArg(comparator, "comparator");
return (a, b) -> comparator.compare(a, b) >= 0 ? a : b;
}
/**
* Returns function that returns the lower value.
* @see {@link java.util.function.BinaryOperator#minBy}
*/
@Nonnull
static LCharBinaryOperator min() {
return (a, b) -> (a <= b) ? a : b;
}
/**
* Returns function that returns the higher value.
* @see {@link java.util.function.BinaryOperator#maxBy}
*/
@Nonnull
static LCharBinaryOperator max() {
return (a, b) -> (a >= b) ? a : b;
}
//
/** Allows to manipulate the domain of the function. */
@Nonnull
default LCharBinaryOperator compose(@Nonnull final LCharUnaryOperator before1, @Nonnull final LCharUnaryOperator before2) {
Null.nonNullArg(before1, "before1");
Null.nonNullArg(before2, "before2");
return (v1, v2) -> this.applyAsChar(before1.applyAsChar(v1), before2.applyAsChar(v2));
}
public static LCharBinaryOperator composed(@Nonnull final LCharUnaryOperator before1, @Nonnull final LCharUnaryOperator before2, LCharBinaryOperator after) {
return after.compose(before1, before2);
}
/** Allows to manipulate the domain of the function. */
@Nonnull
default LToCharBiFunction charBinaryOpCompose(@Nonnull final LToCharFunction before1, @Nonnull final LToCharFunction before2) {
Null.nonNullArg(before1, "before1");
Null.nonNullArg(before2, "before2");
return (v1, v2) -> this.applyAsChar(before1.applyAsChar(v1), before2.applyAsChar(v2));
}
public static LToCharBiFunction composed(@Nonnull final LToCharFunction before1, @Nonnull final LToCharFunction before2, LCharBinaryOperator after) {
return after.charBinaryOpCompose(before1, before2);
}
//
//
/** Combines two functions together in a order. */
@Nonnull
default LBiCharFunction then(@Nonnull LCharFunction after) {
Null.nonNullArg(after, "after");
return (a1, a2) -> after.apply(this.applyAsChar(a1, a2));
}
/** Combines two functions together in a order. */
@Nonnull
default LCharBinaryOperator thenToChar(@Nonnull LCharUnaryOperator after) {
Null.nonNullArg(after, "after");
return (a1, a2) -> after.applyAsChar(this.applyAsChar(a1, a2));
}
/** Combines two functions together in a order. */
@Nonnull
default LBiCharPredicate thenToBool(@Nonnull LCharPredicate after) {
Null.nonNullArg(after, "after");
return (a1, a2) -> after.test(this.applyAsChar(a1, a2));
}
//
//
//
/** Does nothing (LCharBinaryOperator) Operator */
public static char produceChar(char a1, char a2) {
return Function4U.defaultCharacter;
}
/**
* 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 ia1, C1 source1, IndexedRead ia2, C2 source2, LCharConsumer consumer) {
int size = ia1.size(source1);
LOiToCharFunction oiFunc1 = (LOiToCharFunction) ia1.getter();
size = Integer.min(size, ia2.size(source2));
LOiToCharFunction oiFunc2 = (LOiToCharFunction) ia2.getter();
int i = 0;
for (; i < size; i++) {
char a1 = oiFunc1.applyAsChar(source1, i);
char a2 = oiFunc2.applyAsChar(source2, i);
consumer.accept(this.applyAsChar(a1, a2));
}
}
/**
* 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 iterate(SequentialRead sa1, C1 source1, IndexedRead ia2, C2 source2, LCharConsumer consumer) {
Object iterator1 = ((LFunction) sa1.adapter()).apply(source1);
LPredicate testFunc1 = (LPredicate) sa1.tester();
LToCharFunction nextFunc1 = (LToCharFunction) sa1.supplier();
int size = ia2.size(source2);
LOiToCharFunction oiFunc2 = (LOiToCharFunction) ia2.getter();
int i = 0;
while (testFunc1.test(iterator1) && i < size) {
char a1 = nextFunc1.applyAsChar(iterator1);
char a2 = oiFunc2.applyAsChar(source2, i);
consumer.accept(this.applyAsChar(a1, a2));
i++;
}
}
/**
* 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 iterate(IndexedRead ia1, C1 source1, SequentialRead sa2, C2 source2, LCharConsumer consumer) {
int size = ia1.size(source1);
LOiToCharFunction oiFunc1 = (LOiToCharFunction) ia1.getter();
Object iterator2 = ((LFunction) sa2.adapter()).apply(source2);
LPredicate testFunc2 = (LPredicate) sa2.tester();
LToCharFunction nextFunc2 = (LToCharFunction) sa2.supplier();
int i = 0;
while (i < size && testFunc2.test(iterator2)) {
char a1 = oiFunc1.applyAsChar(source1, i);
char a2 = nextFunc2.applyAsChar(iterator2);
consumer.accept(this.applyAsChar(a1, a2));
i++;
}
}
/**
* 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 sa1, C1 source1, SequentialRead sa2, C2 source2, LCharConsumer consumer) {
Object iterator1 = ((LFunction) sa1.adapter()).apply(source1);
LPredicate testFunc1 = (LPredicate) sa1.tester();
LToCharFunction nextFunc1 = (LToCharFunction) sa1.supplier();
Object iterator2 = ((LFunction) sa2.adapter()).apply(source2);
LPredicate testFunc2 = (LPredicate) sa2.tester();
LToCharFunction nextFunc2 = (LToCharFunction) sa2.supplier();
while (testFunc1.test(iterator1) && testFunc2.test(iterator2)) {
char a1 = nextFunc1.applyAsChar(iterator1);
char a2 = nextFunc2.applyAsChar(iterator2);
consumer.accept(this.applyAsChar(a1, a2));
}
}
}
