michael-simons

package com.example.demo.movies;

import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;

import java.time.Duration;
import java.time.LocalDateTime;
import java.util.concurrent.atomic.AtomicReference;

import org.springframework.data.domain.Sort;

michael-simons

CREATE CONSTRAINT ON (n:Region) ASSERT n.id IS UNIQUE;
LOAD CSV WITH HEADERS FROM 'https://raw.githubusercontent.com/gvenzl/sample-data/master/countries-cities-currencies/regions.csv' AS row 
MERGE (r:Region {id: row['REGION_ID'], name: row['NAME']})
RETURN count(r);

CREATE CONSTRAINT ON (n:Country) ASSERT n.id IS UNIQUE;
LOAD CSV WITH HEADERS FROM 'https://raw.githubusercontent.com/gvenzl/sample-data/master/countries-cities-currencies/countries.csv' AS row
MATCH (r:Region {id: row['REGION_ID']})
MERGE (c:Country {id: row['COUNTRY_ID']}) ON CREATE
    SET c.officialName = row['OFFICIAL_NAME'],

michael-simons

with recursive factorial (n, factorial) AS (
	SELECT 1, 1
	UNION ALL
	SELECT n + 1, ( n + 1 ) * factorial
	FROM factorial
	WHERE n <= 10
)
select * from factorial;

michael-simons

import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import org.neo4j.driver.AuthTokens;
import org.neo4j.driver.GraphDatabase;
import org.testcontainers.containers.Neo4jContainer;

/**
 * Creates everything from the test itself. 
 *

michael-simons

import org.eclipse.jetty.http.HttpHeader;
import org.eclipse.jetty.http.HttpParser;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.servlet.ServletContextHandler;

import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

michael-simons

/*
 * Copyright 2020 Jens "Nigjo" Hofschröer.
 *
 * Licensed 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

michael-simons

public static void main(String... a) throws Exception {

		var driver = GraphDatabase.driver(
			"bolt://localhost:7687",
			AuthTokens.basic("neo4j", "secret"),
			Config.builder().withLogging(Logging.console(Level.INFO)).build()
		);

		System.out.println("\nImperative transaction functions\n---");
		Function<Record, String> getNameFromRecord = record -> record.get("name").asString();

michael-simons

#!/bin/bash

git filter-repo --force \
    --message-callback '
        import re
        return re.sub(rb"GH-\d+ - ", b"", message)
    ' \
    --path .editorconfig \
    --path .gitignore \
    --path .mvn \

michael-simons

#!/bin/bash
until (exec 3<>/dev/tcp/127.0.0.1/7687) &>/dev/null; do
  echo "Try again"
  sleep 1s
done

michael-simons

package ac.simons.neo4j.examples;

import java.io.IOException;
import java.nio.file.Files;
import java.util.List;
import java.util.Map;

import org.neo4j.configuration.connectors.BoltConnector;
import org.neo4j.configuration.helpers.SocketAddress;
import org.neo4j.dbms.api.DatabaseManagementServiceBuilder;