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eu.lunisolar.magma.func.predicate.LObjCharPredicate Maven / Gradle / Ivy
/*
* This file is part of "lunisolar-magma".
*
* (C) Copyright 2015 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.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.*; // NOSONAR
import eu.lunisolar.magma.func.operator.unary.*; // NOSONAR
import eu.lunisolar.magma.func.operator.binary.*; // NOSONAR
import eu.lunisolar.magma.func.operator.ternary.*; // NOSONAR
import eu.lunisolar.magma.func.function.*; // NOSONAR
import eu.lunisolar.magma.func.function.from.*; // NOSONAR
import eu.lunisolar.magma.func.function.to.*; // NOSONAR
import eu.lunisolar.magma.func.function.conversion.*; // NOSONAR
import eu.lunisolar.magma.func.predicate.*; // NOSONAR
import eu.lunisolar.magma.func.supplier.*; // 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.tri.*; // NOSONAR
import eu.lunisolar.magma.func.consumer.primitives.obj.*; // NOSONAR
import eu.lunisolar.magma.func.action.*; // NOSONAR
/**
* Non-throwing functional interface (lambda) LObjCharPredicate for Java 8.
*
* Type: predicate
*
* Domain (lvl: 2): T t, char c
*
* Co-domain: none
*
* @see LObjCharPredicateX
*/
@FunctionalInterface
@SuppressWarnings("UnusedDeclaration")
public interface LObjCharPredicate extends LObjCharPredicateX, MetaPredicate, PrimitiveCodomain, MetaInterface.NonThrowing { // NOSONAR
static final String DESCRIPTION = "LObjCharPredicate: boolean doTest(T t, char c)";
boolean doTest(T t, char c);
/** Function call that handles exceptions by always nesting checked exceptions and propagating the otheres as is. */
default boolean nestingDoTest(T t, char c) {
return this.doTest(t, c);
}
/** Function call that handles exceptions by always propagating them as is even when they are undeclared checked ones. */
default boolean shovingDoTest(T t, char c) {
return this.doTest(t, c);
}
/** Just to mirror the method: Ensures the result is not null */
default boolean nonNullDoTest(T t, char c) {
return doTest(t, c);
}
/** For convenience, where "test()" makes things more confusing than "applyAsBoolean()". */
default boolean doApplyAsBoolean(T t, char c) {
return doTest(t, c);
}
/** Returns description of the functional interface. */
@Nonnull
default String functionalInterfaceDescription() {
return LObjCharPredicate.DESCRIPTION;
}
/** Captures arguments but delays the evaluation. */
default LBoolSupplier captureObjCharPred(T t, char c) {
return () -> this.doTest(t, c);
}
/** Creates function that always returns the same value. */
static LObjCharPredicate constant(boolean r) {
return (t, c) -> r;
}
/** Captures single parameter function into this interface where only 1st parameter will be used. */
@Nonnull
static LObjCharPredicate test1st(@Nonnull LPredicate func) {
return (t, c) -> func.doTest(t);
}
/** Captures single parameter function into this interface where only 2nd parameter will be used. */
@Nonnull
static LObjCharPredicate test2nd(@Nonnull LCharPredicate func) {
return (t, c) -> func.doTest(c);
}
/** Convenient method in case lambda expression is ambiguous for the compiler (that might happen for overloaded methods accepting different interfaces). */
@Nonnull
static LObjCharPredicate l(final @Nonnull LObjCharPredicate lambda) {
Null.nonNullArg(lambda, "lambda");
return lambda;
}
//
/** Wraps opposite (throwing vs non-throwing) instance. */
@Nonnull
static LObjCharPredicate wrap(final @Nonnull LObjCharPredicateX other) {
return other::nestingDoTest;
}
//
//
/**
* Returns a predicate that represents the logical negation of this predicate.
*
* @see {@link java.util.function.Predicate#negate}
*/
@Nonnull
default LObjCharPredicate negate() {
return (T t, char c) -> !doTest(t, c);
}
/**
* 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 LObjCharPredicate and(@Nonnull LObjCharPredicate other) {
Null.nonNullArg(other, "other");
return (T t, char c) -> doTest(t, c) && other.doTest(t, c);
}
/**
* 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 LObjCharPredicate or(@Nonnull LObjCharPredicate other) {
Null.nonNullArg(other, "other");
return (T t, char c) -> doTest(t, c) || other.doTest(t, c);
}
/**
* 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 LObjCharPredicate xor(@Nonnull LObjCharPredicate other) {
Null.nonNullArg(other, "other");
return (T t, char c) -> doTest(t, c) ^ other.doTest(t, c);
}
/**
* Creates predicate that evaluates if an object is equal with the argument one.
* @see {@link java.util.function.Predicate#isEqual()
*/
@Nonnull
static LObjCharPredicate isEqual(final T1 v1, final char v2) {
return (t, c) -> (t == null ? v1 == null : t.equals(v1)) && (c == v2);
}
//
//
/** Allows to manipulate the domain of the function. */
@Nonnull
default LObjCharPredicate objCharPredComposeChar(@Nonnull final LFunction before1, @Nonnull final LCharUnaryOperator before2) {
Null.nonNullArg(before1, "before1");
Null.nonNullArg(before2, "before2");
return (final V1 v1, final char v2) -> this.doTest(before1.doApply(v1), before2.doApplyAsChar(v2));
}
/** Allows to manipulate the domain of the function. */
@Nonnull
default LBiPredicate objCharPredCompose(@Nonnull final LFunction before1, @Nonnull final LToCharFunction before2) {
Null.nonNullArg(before1, "before1");
Null.nonNullArg(before2, "before2");
return (V1 v1, V2 v2) -> this.doTest(before1.doApply(v1), before2.doApplyAsChar(v2));
}
//
//
/** Combines two predicates together in a order. */
@Nonnull
default LObjCharFunction boolToObjCharFunction(@Nonnull LBoolFunction after) {
Null.nonNullArg(after, "after");
return (T t, char c) -> after.doApply(this.doTest(t, c));
}
//
//
/** Converts to non-throwing variant (if required). */
@Nonnull
default LObjCharPredicate nestingObjCharPred() {
return this;
}
/** Converts to throwing variant (RuntimeException). */
@Nonnull
default LObjCharPredicateX nestingObjCharPredX() {
return this;
}
/** Converts to non-throwing variant that will propagate checked exception as it would be unchecked - there is no exception wrapping involved (at least not here). */
default LObjCharPredicate shovingObjCharPred() {
return this;
}
/** Converts to throwing variant (RuntimeException) that will propagate checked exception as it would be unchecked - there is no exception wrapping involved (at least not here). */
default LObjCharPredicateX shovingObjCharPredX() {
return this;
}
//
}
