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package fr.ird.observe.spi.mapping;

/*-
 * #%L
 * ObServe Toolkit :: Service
 * %%
 * Copyright (C) 2017 - 2021 Ultreia.io
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program.  If not, see
 * .
 * #L%
 */

import com.google.common.collect.ImmutableMap;
import fr.ird.observe.dto.data.SimpleDto;
import fr.ird.observe.spi.context.SimpleDtoServiceContext;
import io.ultreia.java4all.classmapping.ImmutableClassMapping;

import java.util.LinkedHashMap;
import java.util.Map;

/**
 * Created on 17/10/2020.
 *
 * @author Tony Chemit - [email protected]
 * @since 8.0.1
 */
public class SimpleDtoToServiceContextMapping extends ImmutableClassMapping {

    private final ImmutableMap, SimpleDtoServiceContext> mapping;

    private static ImmutableMap, Class> mapping(ImmutableMap, SimpleDtoServiceContext> mapping) {
        Map, Class> builder = new LinkedHashMap<>();
        mapping.forEach((key, value) -> builder.put(key, value.getDtoType()));
        return ImmutableMap.copyOf(builder);
    }

    protected SimpleDtoToServiceContextMapping(ImmutableMap, SimpleDtoServiceContext> mapping) {
        super(mapping(mapping));
        this.mapping = mapping;
    }

    public  SimpleDtoServiceContext fromDto(Class dtoType) {
        return getContext(dtoType);
    }

    @SuppressWarnings("unchecked")
    protected  SimpleDtoServiceContext getContext(Class key) {
        return (SimpleDtoServiceContext) mapping.get(key);
    }

}