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A Speedment bundle that shades all dependencies into one jar. This is useful when deploying an application on a server.

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/*
 *
 * Copyright (c) 2006-2019, Speedment, Inc. All Rights Reserved.
 *
 * 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 com.speedment.common.function;

/**
 * Functional interface describing a method that given a {@code boolean} returns
 * another {@code boolean}.
 *
 * @see java.util.function.IntUnaryOperator
 * @see java.util.function.LongUnaryOperator
 * @see java.util.function.DoubleUnaryOperator
 *
 * @author Emil Forslund
 * @since  1.0.5
 */
@FunctionalInterface
public interface BooleanUnaryOperator {

    /**
     * Applies this function on the specified {@code boolean}, returning a new
     * {@code boolean}.
     *
     * @param value  the input value
     * @return       the output
     */
    boolean applyAsBoolean(boolean value);

    /**
     * Composes a new function from this method and the specified one, applying
     * the specified function before this function.
     *
     * @param before  the function to apply before this
     * @return        the combined function
     */
    default BooleanUnaryOperator compose(BooleanUnaryOperator before) {
        return input -> applyAsBoolean(before.applyAsBoolean(input));
    }

    /**
     * Composes a new function from this method and the specified one, applying
     * the specified function after this function.
     *
     * @param after  the function to apply after this
     * @return       the combined function
     */
    default BooleanUnaryOperator andThen(BooleanUnaryOperator after) {
        return input -> after.applyAsBoolean(applyAsBoolean(input));
    }
}