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MyBatis framework for generating dynamic SQL

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/*
 *    Copyright 2016-2024 the original author or authors.
 *
 *    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
 *
 *       https://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 org.mybatis.dynamic.sql.util;

import java.util.Objects;
import java.util.Optional;
import java.util.function.Supplier;

import org.mybatis.dynamic.sql.SqlColumn;

public class ValueOrNullMapping extends AbstractColumnMapping {

    private final Supplier valueSupplier;
    // keep a reference to the column so we don't lose the type
    private final SqlColumn localColumn;

    private ValueOrNullMapping(SqlColumn column, Supplier valueSupplier) {
        super(column);
        this.valueSupplier = Objects.requireNonNull(valueSupplier);
        localColumn = Objects.requireNonNull(column);
    }

    public Optional