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package org.unipop.schema.reference;

import org.apache.tinkerpop.gremlin.structure.Vertex;
import org.json.JSONObject;
import org.unipop.schema.element.VertexSchema;
import org.unipop.schema.element.AbstractElementSchema;
import org.unipop.schema.property.PropertySchema;
import org.unipop.structure.UniGraph;

import java.util.List;
import java.util.Map;

public class ReferenceVertexSchema extends AbstractElementSchema implements VertexSchema {

    public ReferenceVertexSchema(JSONObject properties, UniGraph graph) {
        super(properties, graph);
    }

    @Override
    public Vertex createElement(Map fields) {
        Map properties = getProperties(fields);
        if(properties == null) return null;
        return new DeferredVertex(properties, graph);
    }
}