public static IDriver ConnectToNeo(NeoConfiguration config)
{
Config neo4jconfig = new Config();
neo4jconfig.ConnectionTimeout = TimeSpan.FromSeconds(config.DB_Timeout);
neo4jconfig.ConnectionIdleTimeout = Config.InfiniteInterval;
neo4jconfig.MaxConnectionLifetime = Config.InfiniteInterval;
neo4jconfig.SocketKeepAlive = true;
try
{
if (string.IsNullOrWhiteSpace(config.DB_Password) || string.IsNullOrWhiteSpace(config.DB_Username))
{
return(GraphDatabase.Driver(config.DB_URI, neo4jconfig));
}
else
{
return(GraphDatabase.Driver(config.DB_URI, AuthTokens.Basic(config.DB_Username, config.DB_Password), neo4jconfig));
}
}
catch (Exception e)
{
//Console.WriteLine("Error connecting to Neo4j: " + e.Message);
Environment.Exit(1002);
}
return(null);
}
public static NeoConfiguration LoadIConfigurationSection(IConfiguration configSection)
{
NeoConfiguration conf = new NeoConfiguration();
conf.DB_URI = configSection.GetValue <string>("dbURI");
conf.DB_Username = configSection.GetValue <string>("dbUsername");
conf.DB_Password = configSection.GetValue <string>("dbPassword");
conf.DB_Timeout = configSection.GetValue <int>("dbTimeout");
return(conf);
}
public static NeoConfiguration LoadConfigurationFile(string filepath)
{
NeoConfiguration conf = new NeoConfiguration();
using (StreamReader reader = File.OpenText(filepath))
{
JsonSerializer serializer = new JsonSerializer();
conf = (NeoConfiguration)serializer.Deserialize(reader, typeof(NeoConfiguration));
}
return(conf);
}
public Neo4jService(IConfiguration configuration, ILogger <Neo4jService> logger, PluginManager manager)
{
this._logger = logger;
this._pluginmanager = manager;
//load the config
Stopwatch stopwatch = Stopwatch.StartNew();
using (NeoConfiguration config = NeoConfiguration.LoadIConfigurationSection(configuration.GetSection("neo4jSettings")))
{
this._driver = Neo4jConnector.ConnectToNeo(config);
stopwatch.Stop();
}
this._logger.LogInformation("Connected to neo4j in {elapsed} ms", stopwatch.ElapsedMilliseconds);
}
public static NeoConfiguration LoadJsonString(string json)
{
NeoConfiguration conf = null;
JsonSerializer serializer = new JsonSerializer();
if (string.IsNullOrEmpty(json) == false)
{
using (StringReader reader = new StringReader(json))
{
conf = (NeoConfiguration)serializer.Deserialize(reader, typeof(NeoConfiguration));
}
}
return(conf);
}
