io.mindmaps.graql.internal.pattern.property.IsAbstractProperty Maven / Gradle / Ivy

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/*
 * MindmapsDB - A Distributed Semantic Database
 * Copyright (C) 2016  Mindmaps Research Ltd
 *
 * MindmapsDB is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * MindmapsDB 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with MindmapsDB. If not, see .
 */

package io.mindmaps.graql.internal.pattern.property;

import io.mindmaps.concept.Concept;
import io.mindmaps.graql.admin.UniqueVarProperty;
import io.mindmaps.graql.internal.gremlin.FragmentPriority;
import io.mindmaps.graql.internal.query.InsertQueryExecutor;
import org.apache.tinkerpop.gremlin.process.traversal.P;
import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal;
import org.apache.tinkerpop.gremlin.structure.Vertex;

import static io.mindmaps.util.Schema.ConceptProperty.IS_ABSTRACT;

public class IsAbstractProperty extends AbstractVarProperty implements UniqueVarProperty, SingleTraversalProperty {

    @Override
    public void buildString(StringBuilder builder) {
        builder.append("is-abstract");
    }

    @Override
    public GraphTraversal applyTraversal(GraphTraversal traversal) {
        return traversal.has(IS_ABSTRACT.name(), P.eq(true));
    }

    @Override
    public FragmentPriority getPriority() {
        return FragmentPriority.EDGE_UNBOUNDED;
    }

    @Override
    public void insert(InsertQueryExecutor insertQueryExecutor, Concept concept) throws IllegalStateException {
        concept.asType().setAbstract(true);
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        return !(o == null || getClass() != o.getClass());

    }

    @Override
    public int hashCode() {
        return 31;
    }
}