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eu.lunisolar.magma.func.predicate.LSrtPredicate 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.predicate;
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) LSrtPredicate for Java 8.
*
* Type: predicate
*
* Domain (lvl: 1): short a
*
* Co-domain: boolean
*
*/
@FunctionalInterface
@SuppressWarnings("UnusedDeclaration")
public interface LSrtPredicate extends MetaPredicate, MetaInterface.NonThrowing, Codomain, Domain1 { // NOSONAR
String DESCRIPTION = "LSrtPredicate: boolean test(short a)";
// boolean test(short a) ;
default boolean test(short a) {
// return nestingTest(a);
try {
return this.testX(a);
} catch (Throwable e) { // NOSONAR
throw Handling.nestCheckedAndThrow(e);
}
}
/**
* Implement this, but call test(short a)
*/
boolean testX(short a) throws Throwable;
default boolean tupleTest(LSrtSingle args) {
return test(args.value());
}
/** Function call that handles exceptions according to the instructions. */
default boolean handlingTest(short a, HandlingInstructions handling) {
try {
return this.testX(a);
} catch (Throwable e) { // NOSONAR
throw Handler.handleOrNest(e, handling);
}
}
default LSrtPredicate handling(HandlingInstructions handling) {
return a -> handlingTest(a, handling);
}
default boolean test(short a, @Nonnull ExWMF exF, @Nonnull String newMessage, @Nullable Object... messageParams) {
try {
return this.testX(a);
} catch (Throwable e) { // NOSONAR
throw Handling.wrap(e, exF, newMessage, messageParams);
}
}
default LSrtPredicate trying(@Nonnull ExWMF exF, @Nonnull String newMessage, @Nullable Object... messageParams) {
return a -> test(a, exF, newMessage, messageParams);
}
default boolean test(short a, @Nonnull ExWF exF) {
try {
return this.testX(a);
} catch (Throwable e) { // NOSONAR
throw Handling.wrap(e, exF);
}
}
default LSrtPredicate trying(@Nonnull ExWF exF) {
return a -> test(a, exF);
}
default boolean testThen(short a, @Nonnull LPredicate handler) {
try {
return this.testX(a);
} catch (Throwable e) { // NOSONAR
Handling.handleErrors(e);
return handler.test(e);
}
}
default LSrtPredicate tryingThen(@Nonnull LPredicate handler) {
return a -> testThen(a, handler);
}
/** Function call that handles exceptions by always nesting checked exceptions and propagating the others as is. */
default boolean nestingTest(short a) {
try {
return this.testX(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 shovingTest(short a) {
try {
return this.testX(a);
} catch (Throwable e) { // NOSONAR
throw Handling.shoveIt(e);
}
}
static boolean handlingTest(short a, LSrtPredicate func, HandlingInstructions handling) { // <-
Null.nonNullArg(func, "func");
return func.handlingTest(a, handling);
}
static boolean tryTest(short a, LSrtPredicate func) {
Null.nonNullArg(func, "func");
return func.nestingTest(a);
}
static boolean tryTest(short a, LSrtPredicate func, @Nonnull ExWMF exF, @Nonnull String newMessage, @Nullable Object... messageParams) {
Null.nonNullArg(func, "func");
return func.test(a, exF, newMessage, messageParams);
}
static boolean tryTest(short a, LSrtPredicate func, @Nonnull ExWF exF) {
Null.nonNullArg(func, "func");
return func.test(a, exF);
}
static boolean tryTestThen(short a, LSrtPredicate func, @Nonnull LPredicate handler) {
Null.nonNullArg(func, "func");
return func.testThen(a, handler);
}
default boolean failSafeTest(short a, @Nonnull LSrtPredicate failSafe) {
try {
return test(a);
} catch (Throwable e) { // NOSONAR
Handling.handleErrors(e);
return failSafe.test(a);
}
}
static boolean failSafeTest(short a, LSrtPredicate func, @Nonnull LSrtPredicate failSafe) {
Null.nonNullArg(failSafe, "failSafe");
if (func == null) {
return failSafe.test(a);
} else {
return func.failSafeTest(a, failSafe);
}
}
static LSrtPredicate failSafe(LSrtPredicate func, @Nonnull LSrtPredicate failSafe) {
Null.nonNullArg(failSafe, "failSafe");
return a -> failSafeTest(a, func, failSafe);
}
default boolean doIf(short a, LAction action) {
Null.nonNullArg(action, "action");
if (test(a)) {
action.execute();
return true;
} else {
return false;
}
}
static boolean doIf(short a, @Nonnull LSrtPredicate predicate, @Nonnull LAction action) {
Null.nonNullArg(predicate, "predicate");
return predicate.doIf(a, action);
}
static boolean doIf(short a, @Nonnull LSrtPredicate predicate, @Nonnull LSrtConsumer consumer) {
Null.nonNullArg(predicate, "predicate");
return predicate.doIf(a, consumer);
}
default boolean doIf(short a, @Nonnull LSrtConsumer consumer) {
Null.nonNullArg(consumer, "consumer");
if (test(a)) {
consumer.accept(a);
return true;
} else {
return false;
}
}
static void throwIf(short a, LSrtPredicate pred, ExMF factory, @Nonnull String newMessage, @Nullable Object... messageParams) {
if (pred.test(a)) {
throw Handling.create(factory, newMessage, messageParams);
}
}
static void throwIfNot(short a, LSrtPredicate pred, ExMF factory, @Nonnull String newMessage, @Nullable Object... messageParams) {
if (!pred.test(a)) {
throw Handling.create(factory, newMessage, messageParams);
}
}
/** Just to mirror the method: Ensures the result is not null */
default boolean nonNullTest(short a) {
return test(a);
}
/** For convenience, where "test()" makes things more confusing than "applyAsBoolean()". */
default boolean doApplyAsBoolean(short a) {
return test(a);
}
/** Returns description of the functional interface. */
@Nonnull
default String functionalInterfaceDescription() {
return LSrtPredicate.DESCRIPTION;
}
public default boolean doIf(V a1, short a2, LObjSrtConsumer consumer) {
if (test(a2)) {
consumer.accept(a1, a2);
return true;
} else {
return false;
}
}
public default boolean doIf(V a1, int a2, short a3, LTieSrtConsumer consumer) {
if (test(a3)) {
consumer.accept(a1, a2, a3);
return true;
} else {
return false;
}
}
public default int doIf(V a1, int a2, short a3, LTieSrtFunction consumer) {
if (test(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, short a, LSrtPredicate func) {
Null.nonNullArg(func, "func");
if (min_i <= max_i) {
for (int i = min_i; i <= max_i; i++) {
func.test(a);
}
} else {
for (int i = min_i; i >= max_i; i--) {
func.test(a);
}
}
}
/** From-To. Intended to be used with non-capturing lambda. */
public static void fromTill(int min_i, int max_i, short a, LSrtPredicate func) {
Null.nonNullArg(func, "func");
if (min_i <= max_i) {
for (int i = min_i; i < max_i; i++) {
func.test(a);
}
} else {
for (int i = min_i; i > max_i; i--) {
func.test(a);
}
}
}
/** From-To. Intended to be used with non-capturing lambda. */
public static void times(int max_i, short a, LSrtPredicate func) {
if (max_i < 0)
return;
fromTill(0, max_i, a, func);
}
/** Captures arguments but delays the evaluation. */
default LBoolSupplier capture(short a) {
return () -> this.test(a);
}
/** Creates function that always returns the same value. */
static LSrtPredicate 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 LSrtPredicate srtPred(final @Nonnull LSrtPredicate lambda) {
Null.nonNullArg(lambda, "lambda");
return lambda;
}
@Nonnull
static LSrtPredicate recursive(final @Nonnull LFunction selfLambda) {
final LSrtPredicateSingle single = new LSrtPredicateSingle();
LSrtPredicate func = selfLambda.apply(single);
single.target = func;
return func;
}
final class LSrtPredicateSingle implements LSingle, LSrtPredicate {
private LSrtPredicate target = null;
@Override
public boolean testX(short a) throws Throwable {
return target.testX(a);
}
@Override
public LSrtPredicate value() {
return target;
}
}
@Nonnull
static LSrtPredicate srtPredThrowing(final @Nonnull ExF exF) {
Null.nonNullArg(exF, "exF");
return a -> {
throw exF.produce();
};
}
@Nonnull
static LSrtPredicate srtPredThrowing(final String message, final @Nonnull ExMF exF) {
Null.nonNullArg(exF, "exF");
return a -> {
throw exF.produce(message);
};
}
static boolean call(short a, final @Nonnull LSrtPredicate lambda) {
Null.nonNullArg(lambda, "lambda");
return lambda.test(a);
}
//
//
//
/** Safe instance. That always returns the same value (as alwaysFalse). */
@Nonnull
static LSrtPredicate safe() {
return LSrtPredicate::alwaysFalse;
}
/** 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 LSrtPredicate safe(final @Nullable LSrtPredicate 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 LSrtPredicate negate() {
return a -> !test(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 LSrtPredicate and(@Nonnull LSrtPredicate other) {
Null.nonNullArg(other, "other");
return a -> test(a) && other.test(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 LSrtPredicate or(@Nonnull LSrtPredicate other) {
Null.nonNullArg(other, "other");
return a -> test(a) || other.test(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 LSrtPredicate xor(@Nonnull LSrtPredicate other) {
Null.nonNullArg(other, "other");
return a -> test(a) ^ other.test(a);
}
/**
* Creates predicate that evaluates if an object is equal with the argument one.
* @see {@link java.util.function.Predicate#isEqual()
*/
@Nonnull
static LSrtPredicate isEqual(short target) {
return a -> a == target;
}
//
//
/** Allows to manipulate the domain of the function. */
@Nonnull
default LSrtPredicate compose(@Nonnull final LSrtUnaryOperator before) {
Null.nonNullArg(before, "before");
return v -> this.test(before.applyAsSrt(v));
}
public static LSrtPredicate composed(@Nonnull final LSrtUnaryOperator before, LSrtPredicate after) {
return after.compose(before);
}
/** Allows to manipulate the domain of the function. */
@Nonnull
default LPredicate srtPredCompose(@Nonnull final LToSrtFunction before) {
Null.nonNullArg(before, "before");
return v -> this.test(before.applyAsSrt(v));
}
public static LPredicate composed(@Nonnull final LToSrtFunction before, LSrtPredicate after) {
return after.srtPredCompose(before);
}
//
//
/** Combines two functions together in a order. */
@Nonnull
default LSrtFunction boolToSrtFunc(@Nonnull LBoolFunction after) {
Null.nonNullArg(after, "after");
return a -> after.apply(this.test(a));
}
/** Combines two functions together in a order. */
@Nonnull
default LSrtToByteFunction boolToSrtToByteFunc(@Nonnull LBoolToByteFunction after) {
Null.nonNullArg(after, "after");
return a -> after.applyAsByte(this.test(a));
}
/** Combines two functions together in a order. */
@Nonnull
default LSrtUnaryOperator boolToSrtUnaryOp(@Nonnull LBoolToSrtFunction after) {
Null.nonNullArg(after, "after");
return a -> after.applyAsSrt(this.test(a));
}
/** Combines two functions together in a order. */
@Nonnull
default LSrtToIntFunction boolToSrtToIntFunc(@Nonnull LBoolToIntFunction after) {
Null.nonNullArg(after, "after");
return a -> after.applyAsInt(this.test(a));
}
/** Combines two functions together in a order. */
@Nonnull
default LSrtToLongFunction boolToSrtToLongFunc(@Nonnull LBoolToLongFunction after) {
Null.nonNullArg(after, "after");
return a -> after.applyAsLong(this.test(a));
}
/** Combines two functions together in a order. */
@Nonnull
default LSrtToFltFunction boolToSrtToFltFunc(@Nonnull LBoolToFltFunction after) {
Null.nonNullArg(after, "after");
return a -> after.applyAsFlt(this.test(a));
}
/** Combines two functions together in a order. */
@Nonnull
default LSrtToDblFunction boolToSrtToDblFunc(@Nonnull LBoolToDblFunction after) {
Null.nonNullArg(after, "after");
return a -> after.applyAsDbl(this.test(a));
}
/** Combines two functions together in a order. */
@Nonnull
default LSrtToCharFunction boolToSrtToCharFunc(@Nonnull LBoolToCharFunction after) {
Null.nonNullArg(after, "after");
return a -> after.applyAsChar(this.test(a));
}
/** Combines two functions together in a order. */
@Nonnull
default LSrtPredicate boolToSrtPred(@Nonnull LLogicalOperator after) {
Null.nonNullArg(after, "after");
return a -> after.apply(this.test(a));
}
//
//
//
// >>> LSrtPredicate
/** Returns TRUE. */
public static boolean alwaysTrue(short a) {
return true;
}
/** Returns FALSE. */
public static boolean alwaysFalse(short a) {
return false;
}
/**
* For each element (or tuple) from arguments, calls the consumer if predicate test passes.
* Thread safety, fail-fast, fail-safety of this method is not expected.
*/
default void filterForEach(IndexedRead ia, C0 source, LSrtConsumer consumer) {
int size = ia.size(source);
LOiToSrtFunction oiFunc0 = (LOiToSrtFunction) ia.getter();
int i = 0;
for (; i < size; i++) {
short a = oiFunc0.applyAsSrt(source, i);
doIf(a, consumer);
}
}
/**
* For each element (or tuple) from arguments, calls the consumer if predicate test passes.
* Thread safety, fail-fast, fail-safety of this method depends highly on the arguments.
*/
default void filterIterate(SequentialRead sa, C0 source, LSrtConsumer consumer) {
Object iterator0 = ((LFunction) sa.adapter()).apply(source);
LPredicate testFunc0 = (LPredicate) sa.tester();
LToSrtFunction nextFunc0 = (LToSrtFunction) sa.supplier();
while (testFunc0.test(iterator0)) {
short a = nextFunc0.applyAsSrt(iterator0);
doIf(a, consumer);
}
}
/**
* For each element (or tuple) from arguments, calls the consumer (with index) if predicate test passes. First argument is designated as 'target' object.
* Thread safety, fail-fast, fail-safety of this method is not expected.
* @returns number of iterations that element (or tuple) was accepter by predicate.
*/
default int tieForEach(V v, IndexedRead ia, C0 source, LTieSrtConsumer consumer) {
int size = ia.size(source);
LOiToSrtFunction oiFunc0 = (LOiToSrtFunction) ia.getter();
int acceptedIndex = 0;
int i = 0;
for (; i < size; i++) {
short a = oiFunc0.applyAsSrt(source, i);
acceptedIndex += doIf(v, acceptedIndex, a, consumer) ? 1 : 0;
}
return acceptedIndex;
}
/**
* For each element (or tuple) from arguments, calls the consumer (with index) if predicate test passes. First argument is designated as 'target' object.
* Thread safety, fail-fast, fail-safety of this method depends highly on the arguments.
* @returns number of iterations that element (or tuple) was accepter by predicate.
*/
default int tieIterate(V v, SequentialRead sa, C0 source, LTieSrtConsumer consumer) {
Object iterator0 = ((LFunction) sa.adapter()).apply(source);
LPredicate testFunc0 = (LPredicate) sa.tester();
LToSrtFunction nextFunc0 = (LToSrtFunction) sa.supplier();
int acceptedIndex = 0;
int i = 0;
while (testFunc0.test(iterator0)) {
short a = nextFunc0.applyAsSrt(iterator0);
acceptedIndex += doIf(v, acceptedIndex, a, consumer) ? 1 : 0;
i++;
}
return acceptedIndex;
}
}
