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eu.lunisolar.magma.func.operator.unary.LLogicalOperator 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.unary;
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) LLogicalOperator for Java 8.
*
* Type: operator
*
* Domain (lvl: 1): boolean a
*
* Co-domain: boolean
*
*/
@FunctionalInterface
@SuppressWarnings("UnusedDeclaration")
public interface LLogicalOperator extends MetaInterface.NonThrowing, MetaLogicalOperator, Codomain, Domain1 { // NOSONAR
String DESCRIPTION = "LLogicalOperator: boolean apply(boolean a)";
// boolean apply(boolean a) ;
default boolean apply(boolean a) {
// return nestingApply(a);
try {
return this.applyX(a);
} catch (Throwable e) { // NOSONAR
throw Handling.nestCheckedAndThrow(e);
}
}
/**
* Implement this, but call apply(boolean a)
*/
boolean applyX(boolean a) throws Throwable;
default boolean tupleApply(LBoolSingle args) {
return apply(args.value());
}
/** Function call that handles exceptions according to the instructions. */
default boolean handlingApply(boolean a, HandlingInstructions handling) {
try {
return this.applyX(a);
} catch (Throwable e) { // NOSONAR
throw Handler.handleOrNest(e, handling);
}
}
default LLogicalOperator handling(HandlingInstructions handling) {
return a -> handlingApply(a, handling);
}
default boolean apply(boolean a, @Nonnull ExWMF exF, @Nonnull String newMessage, @Nullable Object... messageParams) {
try {
return this.applyX(a);
} catch (Throwable e) { // NOSONAR
throw Handling.wrap(e, exF, newMessage, messageParams);
}
}
default LLogicalOperator trying(@Nonnull ExWMF exF, @Nonnull String newMessage, @Nullable Object... messageParams) {
return a -> apply(a, exF, newMessage, messageParams);
}
default boolean apply(boolean a, @Nonnull ExWF exF) {
try {
return this.applyX(a);
} catch (Throwable e) { // NOSONAR
throw Handling.wrap(e, exF);
}
}
default LLogicalOperator trying(@Nonnull ExWF exF) {
return a -> apply(a, exF);
}
default boolean applyThen(boolean a, @Nonnull LPredicate handler) {
try {
return this.applyX(a);
} catch (Throwable e) { // NOSONAR
Handling.handleErrors(e);
return handler.test(e);
}
}
default LLogicalOperator tryingThen(@Nonnull LPredicate handler) {
return a -> applyThen(a, handler);
}
/** Function call that handles exceptions by always nesting checked exceptions and propagating the others as is. */
default boolean nestingApply(boolean a) {
try {
return this.applyX(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 boolean shovingApply(boolean a) {
try {
return this.applyX(a);
} catch (Throwable e) { // NOSONAR
throw Handling.shoveIt(e);
}
}
static boolean handlingApply(boolean a, LLogicalOperator func, HandlingInstructions handling) { // <-
Null.nonNullArg(func, "func");
return func.handlingApply(a, handling);
}
static boolean tryApply(boolean a, LLogicalOperator func) {
Null.nonNullArg(func, "func");
return func.nestingApply(a);
}
static boolean tryApply(boolean a, LLogicalOperator func, @Nonnull ExWMF exF, @Nonnull String newMessage, @Nullable Object... messageParams) {
Null.nonNullArg(func, "func");
return func.apply(a, exF, newMessage, messageParams);
}
static boolean tryApply(boolean a, LLogicalOperator func, @Nonnull ExWF exF) {
Null.nonNullArg(func, "func");
return func.apply(a, exF);
}
static boolean tryApplyThen(boolean a, LLogicalOperator func, @Nonnull LPredicate handler) {
Null.nonNullArg(func, "func");
return func.applyThen(a, handler);
}
default boolean failSafeApply(boolean a, @Nonnull LLogicalOperator failSafe) {
try {
return apply(a);
} catch (Throwable e) { // NOSONAR
Handling.handleErrors(e);
return failSafe.apply(a);
}
}
static boolean failSafeApply(boolean a, LLogicalOperator func, @Nonnull LLogicalOperator failSafe) {
Null.nonNullArg(failSafe, "failSafe");
if (func == null) {
return failSafe.apply(a);
} else {
return func.failSafeApply(a, failSafe);
}
}
static LLogicalOperator failSafe(LLogicalOperator func, @Nonnull LLogicalOperator failSafe) {
Null.nonNullArg(failSafe, "failSafe");
return a -> failSafeApply(a, func, failSafe);
}
default boolean doIf(boolean a, LAction action) {
Null.nonNullArg(action, "action");
if (apply(a)) {
action.execute();
return true;
} else {
return false;
}
}
static boolean doIf(boolean a, @Nonnull LLogicalOperator predicate, @Nonnull LAction action) {
Null.nonNullArg(predicate, "predicate");
return predicate.doIf(a, action);
}
static boolean doIf(boolean a, @Nonnull LLogicalOperator predicate, @Nonnull LBoolConsumer consumer) {
Null.nonNullArg(predicate, "predicate");
return predicate.doIf(a, consumer);
}
default boolean doIf(boolean a, @Nonnull LBoolConsumer consumer) {
Null.nonNullArg(consumer, "consumer");
if (apply(a)) {
consumer.accept(a);
return true;
} else {
return false;
}
}
static void throwIf(boolean a, LLogicalOperator pred, ExMF factory, @Nonnull String newMessage, @Nullable Object... messageParams) {
if (pred.apply(a)) {
throw Handling.create(factory, newMessage, messageParams);
}
}
static void throwIfNot(boolean a, LLogicalOperator pred, ExMF factory, @Nonnull String newMessage, @Nullable Object... messageParams) {
if (!pred.apply(a)) {
throw Handling.create(factory, newMessage, messageParams);
}
}
/** Just to mirror the method: Ensures the result is not null */
default boolean nonNullApply(boolean a) {
return apply(a);
}
/** For convenience, boolean operator is also special case of predicate. */
default boolean doTest(boolean a) {
return apply(a);
}
/** Returns description of the functional interface. */
@Nonnull
default String functionalInterfaceDescription() {
return LLogicalOperator.DESCRIPTION;
}
public default boolean doIf(V a1, boolean a2, LObjBoolConsumer consumer) {
if (apply(a2)) {
consumer.accept(a1, a2);
return true;
} else {
return false;
}
}
public default boolean doIf(V a1, int a2, boolean a3, LTieBoolConsumer consumer) {
if (apply(a3)) {
consumer.accept(a1, a2, a3);
return true;
} else {
return false;
}
}
public default int doIf(V a1, int a2, boolean a3, LTieBoolFunction consumer) {
if (apply(a3)) {
return consumer.applyAsInt(a1, a2, a3);
} else {
return 0;
}
}
/** From-To. Intended to be used with non-capturing lambda. */
public static void fromTo(int min_i, int max_i, boolean a, LLogicalOperator func) {
Null.nonNullArg(func, "func");
if (min_i <= max_i) {
for (int i = min_i; i <= max_i; i++) {
func.apply(a);
}
} else {
for (int i = min_i; i >= max_i; i--) {
func.apply(a);
}
}
}
/** From-To. Intended to be used with non-capturing lambda. */
public static void fromTill(int min_i, int max_i, boolean a, LLogicalOperator func) {
Null.nonNullArg(func, "func");
if (min_i <= max_i) {
for (int i = min_i; i < max_i; i++) {
func.apply(a);
}
} else {
for (int i = min_i; i > max_i; i--) {
func.apply(a);
}
}
}
/** From-To. Intended to be used with non-capturing lambda. */
public static void times(int max_i, boolean a, LLogicalOperator func) {
if (max_i < 0)
return;
fromTill(0, max_i, a, func);
}
/** Captures arguments but delays the evaluation. */
default LBoolSupplier capture(boolean a) {
return () -> this.apply(a);
}
/** Creates function that always returns the same value. */
static LLogicalOperator constant(boolean 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 LLogicalOperator logicalOp(final @Nonnull LLogicalOperator lambda) {
Null.nonNullArg(lambda, "lambda");
return lambda;
}
@Nonnull
static LLogicalOperator recursive(final @Nonnull LFunction selfLambda) {
final LLogicalOperatorSingle single = new LLogicalOperatorSingle();
LLogicalOperator func = selfLambda.apply(single);
single.target = func;
return func;
}
final class LLogicalOperatorSingle implements LSingle, LLogicalOperator {
private LLogicalOperator target = null;
@Override
public boolean applyX(boolean a) throws Throwable {
return target.applyX(a);
}
@Override
public LLogicalOperator value() {
return target;
}
}
@Nonnull
static LLogicalOperator logicalOpThrowing(final @Nonnull ExF exF) {
Null.nonNullArg(exF, "exF");
return a -> {
throw exF.produce();
};
}
@Nonnull
static LLogicalOperator logicalOpThrowing(final String message, final @Nonnull ExMF exF) {
Null.nonNullArg(exF, "exF");
return a -> {
throw exF.produce(message);
};
}
static boolean call(boolean a, final @Nonnull LLogicalOperator lambda) {
Null.nonNullArg(lambda, "lambda");
return lambda.apply(a);
}
//
//
//
/** Safe instance. That always returns the same value (as produceBoolean). */
@Nonnull
static LLogicalOperator safe() {
return LLogicalOperator::produceBoolean;
}
/** 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 LLogicalOperator safe(final @Nullable LLogicalOperator 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;
}
}
//
//
/**
* Returns a predicate that represents the logical negation of this predicate.
*
* @see {@link java.util.function.Predicate#negate}
*/
@Nonnull
default LLogicalOperator negate() {
return a -> !apply(a);
}
/**
* Returns a predicate that represents the logical AND of evaluation of this predicate and the argument one.
* @see {@link java.util.function.Predicate#and()}
*/
@Nonnull
default LLogicalOperator and(@Nonnull LLogicalOperator other) {
Null.nonNullArg(other, "other");
return a -> apply(a) && other.apply(a);
}
/**
* Returns a predicate that represents the logical OR of evaluation of this predicate and the argument one.
* @see {@link java.util.function.Predicate#or}
*/
@Nonnull
default LLogicalOperator or(@Nonnull LLogicalOperator other) {
Null.nonNullArg(other, "other");
return a -> apply(a) || other.apply(a);
}
/**
* Returns a predicate that represents the logical XOR of evaluation of this predicate and the argument one.
* @see {@link java.util.function.Predicate#or}
*/
@Nonnull
default LLogicalOperator xor(@Nonnull LLogicalOperator other) {
Null.nonNullArg(other, "other");
return a -> apply(a) ^ other.apply(a);
}
/**
* Creates predicate that evaluates if an object is equal with the argument one.
* @see {@link java.util.function.Predicate#isEqual()
*/
@Nonnull
static LLogicalOperator isEqual(boolean target) {
return a -> a == target;
}
//
//
/** Allows to manipulate the domain of the function. */
@Nonnull
default LLogicalOperator compose(@Nonnull final LLogicalOperator before) {
Null.nonNullArg(before, "before");
return v -> this.apply(before.apply(v));
}
public static LLogicalOperator composed(@Nonnull final LLogicalOperator before, LLogicalOperator after) {
return after.compose(before);
}
/** Allows to manipulate the domain of the function. */
@Nonnull
default LPredicate logicalOpCompose(@Nonnull final LPredicate before) {
Null.nonNullArg(before, "before");
return v -> this.apply(before.test(v));
}
public static LPredicate composed(@Nonnull final LPredicate before, LLogicalOperator after) {
return after.logicalOpCompose(before);
}
//
//
/** Combines two functions together in a order. */
@Nonnull
default LBoolFunction then(@Nonnull LBoolFunction after) {
Null.nonNullArg(after, "after");
return a -> after.apply(this.apply(a));
}
/** Combines two functions together in a order. */
@Nonnull
default LBoolToByteFunction thenToByte(@Nonnull LBoolToByteFunction after) {
Null.nonNullArg(after, "after");
return a -> after.applyAsByte(this.apply(a));
}
/** Combines two functions together in a order. */
@Nonnull
default LBoolToSrtFunction thenToSrt(@Nonnull LBoolToSrtFunction after) {
Null.nonNullArg(after, "after");
return a -> after.applyAsSrt(this.apply(a));
}
/** Combines two functions together in a order. */
@Nonnull
default LBoolToIntFunction thenToInt(@Nonnull LBoolToIntFunction after) {
Null.nonNullArg(after, "after");
return a -> after.applyAsInt(this.apply(a));
}
/** Combines two functions together in a order. */
@Nonnull
default LBoolToLongFunction thenToLong(@Nonnull LBoolToLongFunction after) {
Null.nonNullArg(after, "after");
return a -> after.applyAsLong(this.apply(a));
}
/** Combines two functions together in a order. */
@Nonnull
default LBoolToFltFunction thenToFlt(@Nonnull LBoolToFltFunction after) {
Null.nonNullArg(after, "after");
return a -> after.applyAsFlt(this.apply(a));
}
/** Combines two functions together in a order. */
@Nonnull
default LBoolToDblFunction thenToDbl(@Nonnull LBoolToDblFunction after) {
Null.nonNullArg(after, "after");
return a -> after.applyAsDbl(this.apply(a));
}
/** Combines two functions together in a order. */
@Nonnull
default LBoolToCharFunction thenToChar(@Nonnull LBoolToCharFunction after) {
Null.nonNullArg(after, "after");
return a -> after.applyAsChar(this.apply(a));
}
/** Combines two functions together in a order. */
@Nonnull
default LLogicalOperator thenToBool(@Nonnull LLogicalOperator after) {
Null.nonNullArg(after, "after");
return a -> after.apply(this.apply(a));
}
//
/** Returns a function that always returns its input argument. */
@Nonnull
static LLogicalOperator identity() {
return t -> t;
}
//
//
/** Does nothing (LLogicalOperator) Operator */
public static boolean produceBoolean(boolean a) {
return Function4U.defaultBoolean;
}
/**
* 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, LBoolConsumer consumer) {
int size = ia.size(source);
LObjIntPredicate oiFunc0 = (LObjIntPredicate) ia.getter();
int i = 0;
for (; i < size; i++) {
boolean a = oiFunc0.test(source, i);
consumer.accept(this.apply(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, LBoolConsumer consumer) {
Object iterator0 = ((LFunction) sa.adapter()).apply(source);
LPredicate testFunc0 = (LPredicate) sa.tester();
LPredicate nextFunc0 = (LPredicate) sa.supplier();
while (testFunc0.test(iterator0)) {
boolean a = nextFunc0.test(iterator0);
consumer.accept(this.apply(a));
}
}
}
