org.eclipse.jnosql.mapping.graph.FieldGraph Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of jnosql-mapping-graph Show documentation
There is a newer version: 1.1.3
/*
 *  Copyright (c) 2022 Contributors to the Eclipse Foundation
 *   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.eclipse.jnosql.mapping.graph;

import org.eclipse.jnosql.mapping.AttributeConverter;
import org.apache.tinkerpop.gremlin.structure.Property;
import org.eclipse.jnosql.mapping.core.Converters;
import org.eclipse.jnosql.mapping.metadata.FieldMetadata;

import java.util.List;
import java.util.Optional;

import static java.util.Collections.singletonList;
import static org.eclipse.jnosql.mapping.metadata.MappingType.EMBEDDED;

record FieldGraph(Object value, FieldMetadata field) {


    public boolean isNotEmpty() {
        return value != null;
    }

    public boolean isId() {
        return field.isId();
    }

    public boolean isNotId() {
        return !isId();
    }

    public static FieldGraph of(Object value, FieldMetadata field) {
        return new FieldGraph(value, field);
    }

    public  List> toElements(GraphConverter converter, Converters converters) {

        if (value() == null) {
            return singletonList(DefaultProperty.of(field.name(), null));
        }

        if (EMBEDDED.equals(field.mappingType())) {
            return converter.getProperties(value);
        }

        Optional>> optionalConverter = field.converter();
        if (optionalConverter.isPresent()) {
            AttributeConverter attributeConverter = converters.get(field);
            return singletonList(DefaultProperty.of(field.name(), attributeConverter.convertToDatabaseColumn((X) value)));
        }
        return singletonList(DefaultProperty.of(field.name(), value));
    }

    public  Property toElement(Converters converters) {
        Optional>> optionalConverter = field.converter();
        if (optionalConverter.isPresent()) {
            AttributeConverter attributeConverter = converters.get(field);
            return DefaultProperty.of(field.name(), attributeConverter.convertToDatabaseColumn((X) value));
        }
        return DefaultProperty.of(field.name(), value);
    }

}