public static void SetTestGlobal(IRIS irisNative)
{
// Write to a test global
irisNative.Set(8888, "^testglobal", "1");
int globalValue = (int)irisNative.GetInt32("^testglobal", "1");
Console.WriteLine("The value of ^testglobal(1) is " + globalValue);
}
public void ImportJsonStringToGlobal(string jsonStr)
{
var o = JsonConvert.DeserializeObject <JToken>(jsonStr);
var pathList = ExtractJsonPath(jsonStr);
foreach (var path in pathList)
{
object data = (object)o.SelectToken(path);
string dataStr = JsonConvert.SerializeObject(data);
_irisNative.Set(dataStr, GlobalName, "Node", path);
}
IRISList irisList = new IRISList();
irisList.AddRange(pathList);
_irisNative.Set(irisList, GlobalName, "Nodes");
_irisNative.Set(jsonStr, GlobalName, "ActualJson");
}
// Create a custom data structure to store airfare in a graph-like structure and retrieve airfare based on nodes
// Takes departure airport and arrival airport as arguments
public static void StoreAirfare(IRIS irisNative)
{
// Store routes and distance between airports
// This API sets the value, for a global, with the following keys
// For example, ^AIRPORT("BOS","AUS") = 1698
irisNative.Set("1698", "^AIRPORT", "BOS", "AUS");
irisNative.Set("450", "^AIRPORT", "BOS", "AUS", "AA150");
irisNative.Set("550", "^AIRPORT", "BOS", "AUS", "AA290");
irisNative.Set("200", "^AIRPORT", "BOS", "PHL", "UA110");
irisNative.Set("700", "^AIRPORT", "BOS", "BIS", "AA330");
irisNative.Set("710", "^AIRPORT", "BOS", "BIS", "UA208");
// Start interactive prompt
Console.WriteLine("Enter departure airport: ");
String fromAirport = Console.ReadLine();
Console.WriteLine("Enter destination airport: ");
String toAirport = Console.ReadLine();
// Query for routes based on input
String hasRoutes = "This path has no routes";
int isDefined = irisNative.IsDefined("^AIRPORT", fromAirport, toAirport);
if (isDefined == 11 || isDefined == 1)
{
hasRoutes = "This path has routes";
}
Console.WriteLine("");
Console.WriteLine("Printed to ^AIRPORT global. The distance in miles between " + fromAirport + " and " + toAirport +
" is: " + irisNative.GetString("^AIRPORT", fromAirport, toAirport) + ". " + hasRoutes);
}
private void Initialize()
{
var itemList = _irisNative.GetIRISList(GlobalsNativeConstants.CollectionGlobals, CollectionName);
if (itemList == null)
{
itemList = new IRISList();
_irisNative.Set(itemList, GlobalsNativeConstants.CollectionGlobals, CollectionName);
}
}
public static void StoreStockData(IRIS irisNative, IRISConnection dbconnection)
{
// Clear global from previous runs
irisNative.Kill("^nyse");
Console.WriteLine("Storing stock data using Native API...");
// Get stock data using JDBC and write global
try {
String sql = "select top 1000 TransDate, Name, StockClose, StockOpen, High, Low, Volume from Demo.Stock";
IRISCommand cmd = new IRISCommand(sql, dbconnection);
IRISDataReader reader = cmd.ExecuteReader();
ArrayList list = new ArrayList();
string result;
while (reader.Read())
{
DateTime dt = (DateTime)reader[reader.GetOrdinal("TransDate")];
result = (string)reader[reader.GetOrdinal("Name")] +
dt.ToString("MM/dd/yyyy") +
reader[reader.GetOrdinal("High")] +
reader[reader.GetOrdinal("Low")] +
reader[reader.GetOrdinal("StockOpen")] +
reader[reader.GetOrdinal("StockClose")] +
(int)reader[reader.GetOrdinal("Volume")];
list.Add(result);
}
Console.WriteLine("Duong");
int id = list.Count;
long startConsume = DateTime.Now.Ticks;
for (int i = 0; i < id; i++)
{
irisNative.Set(list[i], "^nyse", i + 1);
}
long totalConsume = DateTime.Now.Ticks - startConsume;
Console.WriteLine("Stored natively successfully. Execution time: " + totalConsume / TimeSpan.TicksPerMillisecond + " ms");
}
catch (Exception e) {
Console.WriteLine("Error either retrieving data using JDBC or storing to globals: " + e);
}
}
// Create a custom data structure to store airport distance and airfare information in a graph-like structure.
// Query this information with the interactive checkAirfare() method
public static void storeAirfare(IRIS irisNative)
{
// Store routes and distance between airports
// The global we'll populate has two levels:
// ^airport(from, to) = distance
// ^airport(from, to, flight) = fare
// This IRIS native API sets the value for a global at the specified subscript level(s)
// For example, to set ^airport("BOS","AUS") = 1698
irisNative.Set("1698", "^airport", "BOS", "AUS");
irisNative.Set("450", "^airport", "BOS", "AUS", "AA150");
irisNative.Set("550", "^airport", "BOS", "AUS", "AA290");
irisNative.Set("280", "^airport", "BOS", "PHL");
irisNative.Set("200", "^airport", "BOS", "PHL", "UA110");
irisNative.Set("1490", "^airport", "BOS", "BIS");
irisNative.Set("700", "^airport", "BOS", "BIS", "AA330");
irisNative.Set("710", "^airport", "BOS", "BIS", "UA208");
Console.WriteLine("Stored fare and distance data in ^airport global.");
}
public static void Main(String[] args)
{
try
{
// open connection to InterSystems IRIS instance using connection string
IRISConnection conn = new IRISConnection();
// edit this ConnectionString to match your environment
conn.ConnectionString = "Server=localhost; Port=51773; Namespace=User; Password=SYS; User ID=_system; SharedMemory=false; logfile=./dbnative.log";
conn.Open();
// create IRIS Native object
IRIS iris = IRIS.CreateIRIS(conn);
Console.WriteLine("[1. Setting and getting a global]");
// setting and getting a global
// ObjectScript equivalent: set ^testglobal("1") = 8888
iris.Set(8888, "^testglobal", "1");
// ObjectScript equivalent: set globalValue = $get(^testglobal("1"))
Int16?globalValue = iris.GetInt16("^testglobal", "1");
Console.WriteLine("The value of ^testglobal(1) is " + globalValue);
Console.WriteLine();
Console.WriteLine("[2. Iterating over a global]");
// modify global to iterate over
// ObjectScript equivalent: set ^testglobal("1") = 8888
// ObjectScript equivalent: set ^testglobal("2") = 9999
iris.Set(8888, "^testglobal", "1");
iris.Set(9999, "^testglobal", "2");
// iterate over all nodes forwards
Console.WriteLine("walk forwards");
IRISIterator subscriptIter = iris.GetIRISIterator("^testglobal");
foreach (var node in subscriptIter)
{
Console.WriteLine("subscript=" + subscriptIter.CurrentSubscript + ", value=" + node);
}
Console.WriteLine();
Console.WriteLine("[3. Calling a class method]");
// calling a class method
// ObjectScript equivalent: set returnValue = ##class(%Library.Utility).Date(5)
String returnValue = iris.ClassMethodString("%Library.Utility", "Date", 5);
Console.WriteLine(returnValue);
Console.WriteLine();
// close IRIS object and connection
iris.Close();
conn.Close();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}