/** * Copyright (c) 2015 Michael Hunger * * This file is part of Relational to Neo4j Importer. * * Relational to Neo4j Importer 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. * * Relational to Neo4j Importer 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 Relational to Neo4j Importer. If not, see <http://www.gnu.org/licenses/>. */ package org.neo4j.imports; import org.neo4j.graphdb.GraphDatabaseService; import org.neo4j.graphdb.Transaction; import org.neo4j.graphdb.factory.GraphDatabaseFactory; import org.neo4j.helpers.collection.IteratorUtil; import org.neo4j.io.fs.FileUtils; import org.neo4j.tooling.GlobalGraphOperations; import java.io.File; /** * @author mh * @since 01.03.15 * Download: https://code.google.com/p/northwindextended/downloads/detail?name=Northwind.MySQL5.sql */ public class DataImporterNorthwindTest { public static final String STORE_DIR = "target/northwind.db"; public static void main(String[] args) throws Exception { FileUtils.deleteRecursively(new File(STORE_DIR)); long time = System.currentTimeMillis(); Rules rules = new Rules(); // asList("titles") new DatabaseImporter("jdbc:mysql://localhost:3306/northwind?user=root", "northwind", STORE_DIR, rules).run(); long delta = (System.currentTimeMillis() - time) / 1000; String result = importInfo(); System.out.println(result + " in " + delta + " seconds"); } private static String importInfo() { GraphDatabaseService db = new GraphDatabaseFactory().newEmbeddedDatabase(STORE_DIR); try (Transaction tx = db.beginTx()) { int nodes = IteratorUtil.count(db.getAllNodes()); int rels = IteratorUtil.count(GlobalGraphOperations.at(db).getAllRelationships()); return "Imported nodes " + nodes + " rels " + rels; } finally { db.shutdown(); } } }