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The Eclipse JNoSQL communication layer, Diana, implementation to MongoDB

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/*
 *  Copyright (c) 2017 Otávio Santana and others
 *   All rights reserved. This program and the accompanying materials
 *   are made available under the terms of the Eclipse Public License v1.0
 *   and Apache License v2.0 which accompanies this distribution.
 *   The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 *   and the Apache License v2.0 is available at http://www.opensource.org/licenses/apache2.0.php.
 *
 *   You may elect to redistribute this code under either of these licenses.
 *
 *   Contributors:
 *
 *   Otavio Santana
 */

package org.jnosql.diana.mongodb.document;


import com.mongodb.client.model.Filters;
import org.bson.conversions.Bson;
import org.jnosql.diana.api.TypeReference;
import org.jnosql.diana.api.document.Document;
import org.jnosql.diana.api.document.DocumentCondition;
import org.jnosql.diana.driver.ValueUtil;

import java.util.List;
import java.util.stream.Collectors;

final class DocumentQueryConversor {

    private DocumentQueryConversor() {
    }

    public static Bson convert(DocumentCondition condition) {
        Document document = condition.getDocument();
        Object value = ValueUtil.convert(document.getValue());
        switch (condition.getCondition()) {
            case EQUALS:
                return Filters.eq(document.getName(), value);
            case GREATER_THAN:
                return Filters.gt(document.getName(), value);
            case GREATER_EQUALS_THAN:
                return Filters.gte(document.getName(), value);
            case LESSER_THAN:
                return Filters.lt(document.getName(), value);
            case LESSER_EQUALS_THAN:
                return Filters.lte(document.getName(), value);
            case IN:
                List