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ProGuardCORE is a free library to read, analyze, modify, and write Java class files.

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/*
 * ProGuardCORE -- library to process Java bytecode.
 *
 * Copyright (c) 2002-2022 Guardsquare NV
 *
 * 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 proguard.analysis.cpa.util;

import java.util.Objects;

/**
 * A predicate taking three parameters.
 *
 * @author Dmitry Ivanov
 */
@FunctionalInterface
public interface TriPredicate {

  /** Returns the result of the predicate on given arguments. */
  boolean test(T t, U u, V v);

  /** Returns a conjunction of {@code this} and {@code other}. */
  default TriPredicate and(TriPredicate other) {
    Objects.requireNonNull(other);
    return (T t, U u, V v) -> test(t, u, v) && other.test(t, u, v);
  }

  /** Returns a negation of {@code this} */
  default TriPredicate negate() {
    return (T t, U u, V v) -> !test(t, u, v);
  }

  /** Returns a disjunction of {@code this} and {@code other}. */
  default TriPredicate or(TriPredicate other) {
    Objects.requireNonNull(other);
    return (T t, U u, V v) -> test(t, u, v) || other.test(t, u, v);
  }
}