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eu.lunisolar.magma.func.predicate.LBiObjBoolPredicate 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) LBiObjBoolPredicate for Java 8.
*
* Type: predicate
*
* Domain (lvl: 3): T1 t1,T2 t2, boolean b
*
* Co-domain: none
*
* @see LBiObjBoolPredicateX
*/
@FunctionalInterface
@SuppressWarnings("UnusedDeclaration")
public interface LBiObjBoolPredicate extends LBiObjBoolPredicateX, MetaPredicate, PrimitiveCodomain, MetaInterface.NonThrowing { // NOSONAR
static final String DESCRIPTION = "LBiObjBoolPredicate: boolean doTest(T1 t1,T2 t2, boolean b)";
boolean doTest(T1 t1, T2 t2, boolean b);
/** Function call that handles exceptions by always nesting checked exceptions and propagating the otheres as is. */
default boolean nestingDoTest(T1 t1, T2 t2, boolean b) {
return this.doTest(t1, t2, b);
}
/** Function call that handles exceptions by always propagating them as is even when they are undeclared checked ones. */
default boolean shovingDoTest(T1 t1, T2 t2, boolean b) {
return this.doTest(t1, t2, b);
}
/** Just to mirror the method: Ensures the result is not null */
default boolean nonNullDoTest(T1 t1, T2 t2, boolean b) {
return doTest(t1, t2, b);
}
/** For convenience, where "test()" makes things more confusing than "applyAsBoolean()". */
default boolean doApplyAsBoolean(T1 t1, T2 t2, boolean b) {
return doTest(t1, t2, b);
}
/** Returns description of the functional interface. */
@Nonnull
default String functionalInterfaceDescription() {
return LBiObjBoolPredicate.DESCRIPTION;
}
/** Captures arguments but delays the evaluation. */
default LBoolSupplier captureBiObjBoolPred(T1 t1, T2 t2, boolean b) {
return () -> this.doTest(t1, t2, b);
}
/** Creates function that always returns the same value. */
static LBiObjBoolPredicate constant(boolean r) {
return (t1, t2, b) -> r;
}
/** Captures single parameter function into this interface where only 1st parameter will be used. */
@Nonnull
static LBiObjBoolPredicate test1st(@Nonnull LPredicate func) {
return (t1, t2, b) -> func.doTest(t1);
}
/** Captures single parameter function into this interface where only 2nd parameter will be used. */
@Nonnull
static LBiObjBoolPredicate test2nd(@Nonnull LPredicate func) {
return (t1, t2, b) -> func.doTest(t2);
}
/** Captures single parameter function into this interface where only 3rd parameter will be used. */
@Nonnull
static LBiObjBoolPredicate test3rd(@Nonnull LLogicalOperator func) {
return (t1, t2, b) -> func.doApply(b);
}
/** Convenient method in case lambda expression is ambiguous for the compiler (that might happen for overloaded methods accepting different interfaces). */
@Nonnull
static LBiObjBoolPredicate l(final @Nonnull LBiObjBoolPredicate lambda) {
Null.nonNullArg(lambda, "lambda");
return lambda;
}
//
/** Wraps opposite (throwing vs non-throwing) instance. */
@Nonnull
static LBiObjBoolPredicate wrap(final @Nonnull LBiObjBoolPredicateX other) {
return other::nestingDoTest;
}
//
//
/**
* Returns a predicate that represents the logical negation of this predicate.
*
* @see {@link java.util.function.Predicate#negate}
*/
@Nonnull
default LBiObjBoolPredicate negate() {
return (T1 t1, T2 t2, boolean b) -> !doTest(t1, t2, b);
}
/**
* 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 LBiObjBoolPredicate and(@Nonnull LBiObjBoolPredicate other) {
Null.nonNullArg(other, "other");
return (T1 t1, T2 t2, boolean b) -> doTest(t1, t2, b) && other.doTest(t1, t2, b);
}
/**
* 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 LBiObjBoolPredicate or(@Nonnull LBiObjBoolPredicate other) {
Null.nonNullArg(other, "other");
return (T1 t1, T2 t2, boolean b) -> doTest(t1, t2, b) || other.doTest(t1, t2, b);
}
/**
* 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 LBiObjBoolPredicate xor(@Nonnull LBiObjBoolPredicate other) {
Null.nonNullArg(other, "other");
return (T1 t1, T2 t2, boolean b) -> doTest(t1, t2, b) ^ other.doTest(t1, t2, b);
}
/**
* Creates predicate that evaluates if an object is equal with the argument one.
* @see {@link java.util.function.Predicate#isEqual()
*/
@Nonnull
static LBiObjBoolPredicate isEqual(final T1 v1, final T2 v2, final boolean v3) {
return (t1, t2, b) -> (t1 == null ? v1 == null : t1.equals(v1)) && (t2 == null ? v2 == null : t2.equals(v2)) && (b == v3);
}
//
//
/** Allows to manipulate the domain of the function. */
@Nonnull
default LBiObjBoolPredicate biObjBoolPredComposeBoolean(@Nonnull final LFunction before1, @Nonnull final LFunction before2, @Nonnull final LLogicalOperator before3) {
Null.nonNullArg(before1, "before1");
Null.nonNullArg(before2, "before2");
Null.nonNullArg(before3, "before3");
return (final V1 v1, final V2 v2, final boolean v3) -> this.doTest(before1.doApply(v1), before2.doApply(v2), before3.doApply(v3));
}
/** Allows to manipulate the domain of the function. */
@Nonnull
default LTriPredicate biObjBoolPredCompose(@Nonnull final LFunction before1, @Nonnull final LFunction before2, @Nonnull final LPredicate before3) {
Null.nonNullArg(before1, "before1");
Null.nonNullArg(before2, "before2");
Null.nonNullArg(before3, "before3");
return (V1 v1, V2 v2, V3 v3) -> this.doTest(before1.doApply(v1), before2.doApply(v2), before3.doTest(v3));
}
//
//
/** Combines two predicates together in a order. */
@Nonnull
default LBiObjBoolFunction boolToBiObjBoolFunction(@Nonnull LBoolFunction after) {
Null.nonNullArg(after, "after");
return (T1 t1, T2 t2, boolean b) -> after.doApply(this.doTest(t1, t2, b));
}
//
//
/** Converts to non-throwing variant (if required). */
@Nonnull
default LBiObjBoolPredicate nestingBiObjBoolPred() {
return this;
}
/** Converts to throwing variant (RuntimeException). */
@Nonnull
default LBiObjBoolPredicateX nestingBiObjBoolPredX() {
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 LBiObjBoolPredicate shovingBiObjBoolPred() {
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 LBiObjBoolPredicateX shovingBiObjBoolPredX() {
return this;
}
//
}
