public BinaryPerceptron(IDriver driver, double[] weights, string workspace, double learningRate = 0.1, double threshold = 0.5)
{
_driver = driver;
Client = Neo4JHelper.ConnectDb();
Weights = weights;
LearningRate = learningRate;
Threshold = threshold;
Workspace = workspace;
}
//public static List<Neo4jConnection> GetGraphDetails(this ScenarioContext context, string graph)
//{
// List<Neo4jConnection> graphDetails = new List<Neo4jConnection>();
// switch (graph)
// {
// case constants.publish:
// graphDetails.Add(new Neo4jConnection()
// {
// graphName = context.GetEnv().neo4JGraphName,
// uri = context.GetEnv().neo4JUrl,
// userName = context.GetEnv().neo4JUid,
// password = context.GetEnv().neo4JPassword
// });
// if (context.GetEnv().neo4JUrl1.Length > 0)
// graphDetails.Add(new Neo4jConnection()
// {
// graphName = context.GetEnv().neo4JGraphName1,
// uri = context.GetEnv().neo4JUrl1,
// userName = context.GetEnv().neo4JUid,
// password = context.GetEnv().neo4JPassword
// });
// break;
// case constants.preview:
// graphDetails.Add(new Neo4jConnection()
// {
// graphName = context.GetEnv().neo4JGraphNameDraft,
// uri = context.GetEnv().neo4JUrlDraft,
// userName = context.GetEnv().neo4JUidDraft,
// password = context.GetEnv().neo4JPasswordDraft
// });
// if (context.GetEnv().neo4JUrlDraft1.Length > 0)
// graphDetails.Add(new Neo4jConnection()
// {
// graphName = context.GetEnv().neo4JGraphNameDraft1,
// uri = context.GetEnv().neo4JUrlDraft1,
// userName = context.GetEnv().neo4JUidDraft,
// password = context.GetEnv().neo4JPasswordDraft
// });
// break;
// }
// return graphDetails;
//}
//public static List<Neo4JHelper> GetGraphConnections(this ScenarioContext context, string graph)
//{
// List<Neo4JHelper> connections;
// string contextRef = $"graphCol_{graph}";
// if (context.ContainsKey(contextRef))
// {
// connections = (List<Neo4JHelper>)context[contextRef];
// }
// else
// {
// connections = new List<Neo4JHelper>();
// foreach (var conn in context.GetGraphDetails(graph))
// {
// connections.Add(new Neo4JHelper(conn));
// }
// context[contextRef] = connections;
// }
// // verify connections
// foreach( var conn in connections)
// {
// while (!conn.Verify())
// {
// conn.connect();
// }
// }
// return connections;
//}
public static Neo4JHelper GetGraphConnection(this ScenarioContext context, string graph, int instance = 0)
{
Neo4JHelper connection;
string graphUri;
string userId;
string password;
string graphName;
int connectionAttempts;
switch (graph)
{
case constants.publish:
graphUri = instance == 0 ? context.GetEnv().neo4JUrl : context.GetEnv().neo4JUrl1;
graphName = instance == 0 ? context.GetEnv().neo4JGraphName : context.GetEnv().neo4JGraphName1;
userId = context.GetEnv().neo4JUid;
password = context.GetEnv().neo4JPassword;
break;
case constants.preview:
graphUri = instance == 0 ? context.GetEnv().neo4JUrlDraft : context.GetEnv().neo4JUrlDraft1;
graphName = instance == 0 ? context.GetEnv().neo4JGraphNameDraft : context.GetEnv().neo4JGraphNameDraft1;
userId = context.GetEnv().neo4JUidDraft;
password = context.GetEnv().neo4JPasswordDraft;
break;
default:
return(null);
}
string contextRef = $"graph_{graph}{instance}";
if (context.ContainsKey(contextRef))
{
connection = (Neo4JHelper)context[contextRef];
}
else
{
connection = new Neo4JHelper(graphName);
connection.Connect(graphUri,
userId,
password);
context[contextRef] = connection;
}
connectionAttempts = context.ContainsKey($"Attempts{contextRef}") ? (int)context[$"Attempts{contextRef}"] : 0;
connection.Verify();
//if (!connection.Verify(connectionAttempts > maxAttempts))
//{
// context.Remove(contextRef);
// context[$"Attempts{contextRef}"] = ++connectionAttempts;
// connection = GetGraphConnection(context, graph, instance);
//}
return(connection);
}
public Neo4JHelper GetGraphConnection(string key, string graphName, string graphUri, string userId, string password)
{
if (graphConnections == null)
{
graphConnections = new Dictionary <string, Neo4JHelper>();
}
if (!graphConnections.ContainsKey(key))
{
Neo4JHelper newConn = new Neo4JHelper(graphName);
newConn.Connect(graphUri,
userId,
password);
graphConnections[key] = newConn;
}
graphConnections[key].Verify();
return(graphConnections[key]);
}
public void GivenIHaveMadeSureThatWithRelatedJobProfilesArePresentInTheGraphDatastore(string p0)
{
// check how many skills exist for occupations with related job profile
var statementTemplate = (p0.ToLower().Equals("skills") ? cypher_skillWithRelatedJobProfile : cypher_occupationWithRelatedJobProfile);
// var statementParameters = new Dictionary<string, object> { { "uri", context.Get<string>(keyGeneratedUri) } };
Neo4JHelper graphConnection = context.GetGraphConnection(constants.publish);
int numberOfRecords = graphConnection.GetRecordCount(statementTemplate, null);
if (numberOfRecords < 1)
{
// add a record
graphConnection.ExecuteTableQuery(cypher_AddJobProfileAndRelationToOccupation, null);
}
// check success
numberOfRecords = graphConnection.GetRecordCount(statementTemplate, null);
numberOfRecords.Should().BeGreaterThan(0);
// store in context
context.SetExpectedRecordCount(numberOfRecords);
}