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Functional interfaces and utility class used to express computations on Speedment entities.

There is a newer version: 3.2.10

/**
 *
 * 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.runtime.compute.expression.orelse;

import com.speedment.runtime.compute.ToChar;
import com.speedment.runtime.compute.ToCharNullable;
import com.speedment.runtime.compute.expression.NonNullableExpression;

/**
 * Specialized {@link NonNullableExpression} for {@code char} values where a
 * default value is given if the original expression returns {@code null}.
 *
 * @param  the input entity type
 *
 * @author Emil Forslund
 * @since  3.1.0
 */
public interface ToCharOrElse
extends NonNullableExpression>, ToChar {

    /**
     * Returns the default value used when {@link #innerNullable()} would
     * have returned {@code null}.
     *
     * @return  the default value
     */
    char defaultValue();

    @Override
    default NullStrategy nullStrategy() {
        return NullStrategy.USE_DEFAULT_VALUE;
    }
}