org.ssssssss.magicapi.provider.ColumnMapperProvider Maven / Gradle / Ivy

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package org.ssssssss.magicapi.provider;

import org.springframework.jdbc.core.ColumnMapRowMapper;

import java.util.LinkedHashMap;
import java.util.Map;
import java.util.function.Function;

public interface ColumnMapperProvider {

	String name();

	String mapping(String columnName);

	default String unmapping(String name) {
		return name;
	}

	default Function getRowMapColumnMapper() {
		return this::unmapping;
	}

	default ColumnMapRowMapper getColumnMapRowMapper() {
		return new ColumnMapRowMapper() {
			@Override
			protected Map createColumnMap(int columnCount) {
				return new LinkedHashMap<>(columnCount);
			}

			@Override
			protected String getColumnKey(String columnName) {
				return mapping(columnName);
			}
		};
	}

}