neo4j 4.0 example

Neo4jDriverWriteTest.java

import java.net.URI;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import java.util.logging.Level;

import static java.util.concurrent.TimeUnit.SECONDS;

import java.time.Duration;
import java.time.Instant;


import org.neo4j.driver.internal.logging.ConsoleLogging;
import org.neo4j.driver.AuthToken;
import org.neo4j.driver.AuthTokens;
import org.neo4j.driver.Config;
import org.neo4j.driver.Driver;
import org.neo4j.driver.GraphDatabase;
import org.neo4j.driver.Record;
import org.neo4j.driver.Session;
import org.neo4j.driver.StatementResult;
import org.neo4j.driver.Transaction;
import org.neo4j.driver.exceptions.ServiceUnavailableException;
import org.neo4j.driver.*;

import org.reactivestreams.*;
import static org.neo4j.driver.SessionConfig.builder;


import static org.neo4j.driver.Values.parameters;

public class Neo4jDriverTest {
	/*
	private static final Config config = Config.build()
            .withLogging( new ConsoleLogging( Level.FINE ) )
            .withMaxTransactionRetryTime( 60, SECONDS )
            .withEncryption()
            .withTrustStrategy( Config.TrustStrategy.trustAllCertificates()).toConfig();
            */
	


	public static void main(String[] argv) throws Exception {

		System.out.println("-------- Neo4j Bolt Connection Testing ------");

		Transaction		transaction;
		List<String> uris = new ArrayList<String>(); 
		uris.add("bolt+routing://localhost:7687");
		uris.add("bolt+routing://localhost:7697");
		uris.add("bolt+routing://localhost:7607");

		Driver driver = null;
		int i=0;
		for (i =0; i<1; i++){
		int j = 100;
		

//		driver = acquireDriver(uris,AuthTokens.basic( "neo4j", "password" ),config );

		driver = GraphDatabase.driver( "neo4j://localhost:7687", AuthTokens.basic(  "Neo4j Admin", "neo4j" ) );
		
		Instant start = Instant.now();

		try (Session session = driver.session( builder().withDatabase( "iam" ).withDefaultAccessMode( AccessMode.WRITE ).build() ) )
        {
			transaction = session.beginTransaction();
			for (i =0; i<30; i++){
				transaction.run("unwind range(1,20000) as id create (:Person{id:id})");
				transaction.success();
				//transaction.run("CREATE (a:Person {name: $name})", parameters( "name", "smith" ) );
			}
			
			transaction.close();
        }
		Instant end = Instant.now();
		Duration timeElapsed = Duration.between(start, end);
		System.out.println("Time taken: "+ timeElapsed.toMillis() +" milliseconds");

		
		}
		driver.close();
		
	}
}