private int ReadInt(string database, string query)
{
using (var session = _driver.Session(SessionConfigBuilder.ForDatabase(database)))
{
return(ValueExtensions.As <int>(session.Run(query).Single()[0]));
}
}
public List <string> GetPeople()
{
using (var session = _driver.Session())
{
return(session.ReadTransaction(tx =>
{
var result = tx.Run("MATCH (a:Person) RETURN a.name ORDER BY a.name");
return result.Select(record => ValueExtensions.As <string>(record[0])).ToList();// .As<string>())
}));
}
}
public int AddEmployees(string companyName)
{
using (var session = _driver.Session())
{
var persons =
session.ReadTransaction(tx => tx.Run("MATCH (a:Person) RETURN a.name AS name").ToList());
return(persons.Sum(person => session.WriteTransaction(tx =>
{
tx.Run("MATCH (emp:Person {name: $person_name}) " +
"MERGE (com:Company {name: $company_name}) " +
"MERGE (emp)-[:WORKS_FOR]->(com)",
new { person_name = ValueExtensions.As <string>(person["name"]), company_name = companyName });
return 1;
})));
}
}
public void PrintGreeting(string message)
{
using (var session = _driver.Session())
{
var greeting = session.WriteTransaction(tx =>
{
string sql = "CREATE (a:Greeting) " +
"SET a.message = 'message' " +
"RETURN a.message + ', from node ' + id(a)";
var result = tx.Run(sql);
//var result = tx.Run("CREATE (a:Greeting) " +
// "SET a.message = $message " +
// "RETURN a.message + ', from node ' + id(a)",
// new { message });
return(ValueExtensions.As <string>(result.Single()[0])); //result.Single()[0].As<string>();
});
Console.WriteLine(greeting);
}
}
