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/*
 * GRAKN.AI - THE KNOWLEDGE GRAPH
 * Copyright (C) 2018 Grakn Labs Ltd
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see .
 */

package ai.grakn.kb.internal.concept;

import ai.grakn.concept.Attribute;
import ai.grakn.concept.Entity;
import ai.grakn.concept.EntityType;
import ai.grakn.concept.Relationship;
import ai.grakn.kb.internal.structure.VertexElement;

/**
 * 
 *     An instance of Entity Type {@link EntityType}
 * 
 *
 * 
 *     This represents an entity in the graph.
 *     Entities are objects which are defined by their {@link Attribute} and their links to
 *     other entities via {@link Relationship}
 * 
 *
 * @author fppt
 */
public class EntityImpl extends ThingImpl implements Entity {
    private EntityImpl(VertexElement vertexElement) {
        super(vertexElement);
    }

    private EntityImpl(VertexElement vertexElement, EntityType type) {
        super(vertexElement, type);
    }

    public static EntityImpl get(VertexElement vertexElement){
        return new EntityImpl(vertexElement);
    }

    public static EntityImpl create(VertexElement vertexElement, EntityType type){
        return new EntityImpl(vertexElement, type);
    }

    public static EntityImpl from(Entity entity){
        return (EntityImpl) entity;
    }
}