Multithread test

gistfile1.java

/**
 * Licensed to Neo Technology under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Neo Technology licenses this file to you under
 * the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.neo4j.examples;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

import org.junit.Test;
import org.neo4j.graphdb.Node;
import org.neo4j.graphdb.Relationship;
import org.neo4j.test.GraphDescription.Graph;

public class ThreadTest extends AbstractJavaDocTestbase
{
    @Graph( { "a knows b" } )
    @Test
    public void threads()
    {
        data.get();
        ExecutorService exec = Executors.newFixedThreadPool( 2 );
        try
        {
            for ( int i = 0; i < 2; i++ )
            {
                exec.submit( new Runnable()
                {

                    @Override
                    public void run()
                    {
                        for ( Node start : graphdb().getAllNodes() )
                        {
                            System.out.println( start );
                            for ( Relationship r : start.getRelationships() )
                            {
                                System.out.println( r );
                            }
                        }

                    }
                } );
            }
        }
        finally
        {
            exec.shutdown();
        }
    }
}


Output:


Node[1]
Relationship[0]
Node[2]
Relationship[0]
Node[1]
Relationship[0]
Node[2]
Relationship[0]