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Eclipse JNoSQL mapping layer, Artemis, to Graph API
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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.artemis.graph.query;

import org.apache.tinkerpop.gremlin.structure.Graph;
import org.jnosql.artemis.Converters;
import org.jnosql.artemis.Repository;
import org.jnosql.artemis.graph.GraphConverter;
import org.jnosql.artemis.graph.GraphTemplate;
import org.jnosql.artemis.reflection.ClassMapping;
import org.jnosql.artemis.reflection.ClassMappings;

import java.lang.reflect.ParameterizedType;

/**
 * Proxy handle to generate {@link Repository}
 *
 * @param   the type
 * @param  the K type
 */
class GraphRepositoryProxy extends AbstractGraphRepositoryProxy {


    private final GraphRepository repository;

    private final ClassMapping classMapping;

    private final Graph graph;

    private final GraphConverter converter;

    private final GraphTemplate template;

    private final Converters converters;


    GraphRepositoryProxy(GraphTemplate template, ClassMappings classMappings,
                         Class repositoryType,
                         Graph graph, GraphConverter converter,
                         Converters converters) {

        Class typeClass = (Class) ((ParameterizedType) repositoryType.getGenericInterfaces()[0])
                .getActualTypeArguments()[0];

        this.graph = graph;
        this.converter = converter;
        this.classMapping = classMappings.get(typeClass);
        this.repository = new GraphRepository(template, classMapping);
        this.template = template;
        this.converters = converters;

    }

    @Override
    protected ClassMapping getClassMapping() {
        return classMapping;
    }

    @Override
    protected Repository getRepository() {
        return repository;
    }

    @Override
    protected Graph getGraph() {
        return graph;
    }

    @Override
    protected GraphConverter getConverter() {
        return converter;
    }

    @Override
    protected GraphTemplate getTemplate() {
        return template;
    }

    @Override
    protected Converters getConverters() {
        return converters;
    }


    class GraphRepository extends AbstractGraphRepository implements Repository {

        private final GraphTemplate template;

        private final ClassMapping classMapping;

        GraphRepository(GraphTemplate template, ClassMapping classMapping) {
            this.template = template;
            this.classMapping = classMapping;
        }

        @Override
        protected GraphTemplate getTemplate() {
            return template;
        }

        @Override
        protected ClassMapping getClassMapping() {
            return classMapping;
        }

    }
}