public static IMojoHiveDriver CreateCustomDriver(String drivername)
{
IMojoHiveDriver driver = null;
try
{
String local_path = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);
_logger.LogMsg(log4net.Core.Level.Debug, "Connector program folder: " + local_path);
_logger.LogMsg(log4net.Core.Level.Debug, "Creating .NET-Java bridge.");
var bridgeSetup = new BridgeSetup();
// The local_path is the folder where the connector EXE itself is located.
bridgeSetup.AddAllJarsClassPath(local_path);
// Check to see if a specific folder has been configured as the location for the current driver.
// If so, load all JARs in that folder.
String driver_folder = "";
Boolean found_the_folder = false;
try
{
if (Properties.Settings.Default.Drivers.Contains(drivername))
{
int driver_index = Properties.Settings.Default.Drivers.IndexOf(drivername);
if (Properties.Settings.Default.DriverLocations.Count > driver_index)
{
driver_folder = Properties.Settings.Default.DriverLocations[driver_index];
// First assume the folder is a full path, check if it exists.
if (Directory.Exists(driver_folder)) found_the_folder = true;
else
{
// Try to append to the driver folder to the current local EXE path as a sub-folder.
driver_folder = Path.Combine(local_path, driver_folder);
if (Directory.Exists(driver_folder)) found_the_folder = true;
}
// Always try to add the folder if it exists.
if (found_the_folder)
{
bridgeSetup.AddAllJarsClassPath(driver_folder);
}
}
}
}
catch (Exception ex)
{
_logger.LogMsg(Level.Warn, String.Format("Error adding custom driver folder [{0}] to Java CLASSPATH: {1}.", driver_folder, ex.Message));
}
_logger.LogMsg(log4net.Core.Level.Debug, "Creating Java virtual machine (JVM).");
Bridge.CreateJVM(bridgeSetup);
_logger.LogMsg(log4net.Core.Level.Debug, "Registering custom driver assembly with .NET-Java bridge.");
Bridge.RegisterAssembly(typeof(MojoHiveDriver).Assembly);
_logger.LogMsg(log4net.Core.Level.Debug, "Creating custom driver proxy for .NET.");
driver = new MojoHiveDriver();
}
catch (System.Exception ex)
{
_logger.LogMsg(log4net.Core.Level.Error, "Error creating MojoHiveDriver proxy: " + ex.Message);
}
return driver;
}
static void Main(string[] args)
{
try
{
String xml_results = "<Results><Row><billtocode>3DAKE</billtocode><billtodesc>l@K(>ur(ZCxbt</billtodesc><billtoeffdt>2009-10-18 00:00:00</billtoeffdt><billtoexpdt>2011-07-04 00:00:00</billtoexpdt></Row><Row><billtocode>3DAKE</billtocode><billtodesc>l@K(>ur(ZCxbt</billtodesc><billtoeffdt>2009-10-18 00:00:00</billtoeffdt><billtoexpdt>2011-07-04 00:00:00</billtoexpdt></Row></Results>";
System.Xml.XmlDocument doc = new XmlDocument();
doc.LoadXml(xml_results);
XmlNode root = doc.FirstChild;
if (root.HasChildNodes)
{
// These are row nodes
//for (int i = 0; i < root.ChildNodes.Count; i++)
//{
// Debug.WriteLine(root.ChildNodes[i].Name);
// for (int ii = 0; ii < root.ChildNodes[i].ChildNodes.Count; ii++)
// {
// Debug.WriteLine(root.ChildNodes[i].ChildNodes[ii].Name);
// }
//}
foreach (XmlNode row_node in root.ChildNodes)
{
Debug.WriteLine(row_node.Name);
foreach (XmlNode field_node in row_node.ChildNodes)
{
Debug.WriteLine(field_node.Name + " = " + field_node.InnerText);
}
}
}
String local_path = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);
var bridgeSetup = new BridgeSetup();
bridgeSetup.AddAllJarsClassPath(".");
bridgeSetup.AddAllJarsClassPath(local_path);
Bridge.CreateJVM(bridgeSetup);
Bridge.RegisterAssembly(typeof(MojoHiveDriver).Assembly);
String drivername = "org.apache.hive.jdbc.HiveDriver";
String url = "jdbc:hive2://54.218.97.70:21050/;auth=noSasl";
String username = "";
String password = "";
String queuename = "";
IMojoHiveDriver driver = new MojoHiveDriver();
int result = driver.TestConnection(drivername, url, queuename, username, password);
Console.WriteLine("Connection successful.");
String sql = "SELECT * FROM billtocodes WHERE billtocode LIKE '3D%'";
String xml = driver.QueryResultSetAsXML(drivername, url, queuename, username, password, sql);
Console.WriteLine("Results\r\n" + xml);
}
catch (System.Exception ex)
{
Console.WriteLine("***Error in Main(): " + ex.Message);
}
}
static void Main(string[] args)
{
try
{
String xml_results = "<Results><Row><billtocode>3DAKE</billtocode><billtodesc>l@K(>ur(ZCxbt</billtodesc><billtoeffdt>2009-10-18 00:00:00</billtoeffdt><billtoexpdt>2011-07-04 00:00:00</billtoexpdt></Row><Row><billtocode>3DAKE</billtocode><billtodesc>l@K(>ur(ZCxbt</billtodesc><billtoeffdt>2009-10-18 00:00:00</billtoeffdt><billtoexpdt>2011-07-04 00:00:00</billtoexpdt></Row></Results>";
System.Xml.XmlDocument doc = new XmlDocument();
doc.LoadXml(xml_results);
XmlNode root = doc.FirstChild;
if (root.HasChildNodes)
{
// These are row nodes
//for (int i = 0; i < root.ChildNodes.Count; i++)
//{
// Debug.WriteLine(root.ChildNodes[i].Name);
// for (int ii = 0; ii < root.ChildNodes[i].ChildNodes.Count; ii++)
// {
// Debug.WriteLine(root.ChildNodes[i].ChildNodes[ii].Name);
// }
//}
foreach (XmlNode row_node in root.ChildNodes)
{
Debug.WriteLine(row_node.Name);
foreach (XmlNode field_node in row_node.ChildNodes)
{
Debug.WriteLine(field_node.Name + " = " + field_node.InnerText);
}
}
}
String local_path = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);
var bridgeSetup = new BridgeSetup();
bridgeSetup.AddAllJarsClassPath(".");
bridgeSetup.AddAllJarsClassPath(local_path);
Bridge.CreateJVM(bridgeSetup);
Bridge.RegisterAssembly(typeof(MojoHiveDriver).Assembly);
String drivername = "org.apache.hive.jdbc.HiveDriver";
String url = "jdbc:hive2://54.218.97.70:21050/;auth=noSasl";
String username = "";
String password = "";
String queuename = "";
IMojoHiveDriver driver = new MojoHiveDriver();
int result = driver.TestConnection(drivername, url, queuename, username, password);
Console.WriteLine("Connection successful.");
String sql = "SELECT * FROM billtocodes WHERE billtocode LIKE '3D%'";
String xml = driver.QueryResultSetAsXML(drivername, url, queuename, username, password, sql);
Console.WriteLine("Results\r\n" + xml);
}
catch (System.Exception ex)
{
Console.WriteLine("***Error in Main(): " + ex.Message);
}
}
private IEnumerable <QvxDataRow> GetBillToCodes()
{
String tableName = "BillToCodes";
String xml_results = "";
try
{
//QvxLog.Log(QvxLogFacility.Application, QvxLogSeverity.Notice, "GetBillToCodes()");
_logger.LogMsg(log4net.Core.Level.Info, "Enter callback function GetBillToCodes()");
// DEBUGGING: try to connect to named pipe from here.
//Program.RunNamedPipeHandler(Program._parentWindowHandle, Program._commandQueue, _logger);
//QvxLog.Log(QvxLogFacility.Application, QvxLogSeverity.Notice, String.Format("GetEvents(log: {0}, tableName: {1})", log, tableName));
// TO DO: put this back in?
//VerifyCredentials();
// TO DO: put in basic validation of query ?
//if (!EventLog.Exists(log))
//{
// throw new QvxPleaseSendReplyException(QvxResult.QVX_TABLE_NOT_FOUND,
// String.Format("There is no EventLog with name: {0}", tableName));
//}
// Run the query, get a dataset in XML ?
// Get the path to the executing program so we can add it to the Java CLASSPATH.
String local_path = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);
_logger.LogMsg(log4net.Core.Level.Info, "Working folder: " + local_path);
//QvxLog.Log(QvxLogFacility.Application, QvxLogSeverity.Notice, "Opening DotNet-Java bridge.");
_logger.LogMsg(log4net.Core.Level.Info, "Opening DotNet-Java bridge.");
var bridgeSetup = new BridgeSetup();
bridgeSetup.AddAllJarsClassPath(".");
bridgeSetup.AddAllJarsClassPath(local_path);
Bridge.CreateJVM(bridgeSetup);
Bridge.RegisterAssembly(typeof(MojoHiveDriver).Assembly);
String drivername = "org.apache.hive.jdbc.HiveDriver";
String url = "jdbc:hive2://54.218.97.70:21050/;auth=noSasl";
String username = "";
String password = "";
String queuename = "";
// *** Create the Java proxy class
//QvxLog.Log(QvxLogFacility.Application, QvxLogSeverity.Notice, "Creating MojoHiveDriver proxy.");
_logger.LogMsg(log4net.Core.Level.Info, "Creating MojoHiveDriver proxy.");
IMojoHiveDriver driver = new MojoHiveDriver();
// *** Test Cloudera connection
//QvxLog.Log(QvxLogFacility.Application, QvxLogSeverity.Notice, String.Format("Testing connection: driver={0} | url={1} | queuename={2} | username={3} | password={4}.", drivername, url, queuename, username, password));
_logger.LogMsg(log4net.Core.Level.Info, String.Format("Testing connection: driver={0} | url={1} | queuename={2} | username={3} | password={4}.", drivername, url, queuename, username, password));
int result = driver.TestConnection(drivername, url, queuename, username, password);
if (result == 0)
{
//QvxLog.Log(QvxLogFacility.Application, QvxLogSeverity.Notice, "Connection successful.");
_logger.LogMsg(log4net.Core.Level.Info, "Connection successful.");
}
else
{
//QvxLog.Log(QvxLogFacility.Application, QvxLogSeverity.Notice, "Connection failed: " + driver.GetLastExceptionMessage());
_logger.LogMsg(log4net.Core.Level.Info, "Connection failed: " + driver.GetLastExceptionMessage());
}
// *** Run an actual query
//TO DO: get this from QlikView ? Must use named pipes?
//String sql = "SELECT * FROM billtocodes WHERE billtocode='3DAKE'";
//String sql = "SELECT * FROM billtocodes WHERE billtocode LIKE '4P%'";
String sql = "SELECT * FROM billtocodes WHERE billtoeffdt > '2008-02-01 00:00:00' AND billtoeffdt < '2008-02-28 00:00:00'";
_logger.LogMsg(log4net.Core.Level.Info, "Running query: " + sql);
xml_results = driver.QueryResultSetAsXML(drivername, url, queuename, username, password, sql);
//_logger.LogMsg(log4net.Core.Level.Info, "XML results:\r\n" + xml_results);
}
catch (System.Exception ex)
{
_logger.LogMsg(log4net.Core.Level.Error, "Fatal exception: " + ex.Message);
}
_logger.LogMsg(log4net.Core.Level.Info, "Loading XML into parser." + xml_results);
System.Xml.XmlDocument doc = new XmlDocument();
doc.LoadXml(xml_results);
XmlNode root = doc.FirstChild;
if (root.HasChildNodes)
{
_logger.LogMsg(log4net.Core.Level.Info, String.Format("Query returned {0} rows.", root.ChildNodes.Count.ToString()));
_logger.LogMsg(log4net.Core.Level.Info, "Moving data from XML to QlikView objects." + xml_results);
foreach (XmlNode row_node in root.ChildNodes)
{
//Debug.WriteLine(row_node.Name);
yield return(MakeEntry(row_node, FindTable(tableName, MTables)));
//foreach (XmlNode field_node in row_node.ChildNodes)
//{
// Debug.WriteLine(field_node.Name + " = " + field_node.InnerText);
//}
}
}
else
{
_logger.LogMsg(log4net.Core.Level.Warn, "No rows returned!" + xml_results);
}
}
public static IMojoHiveDriver CreateCustomDriver(String drivername)
{
IMojoHiveDriver driver = null;
try
{
String local_path = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);
_logger.LogMsg(log4net.Core.Level.Debug, "Connector program folder: " + local_path);
_logger.LogMsg(log4net.Core.Level.Debug, "Creating .NET-Java bridge.");
var bridgeSetup = new BridgeSetup();
// The local_path is the folder where the connector EXE itself is located.
bridgeSetup.AddAllJarsClassPath(local_path);
// Check to see if a specific folder has been configured as the location for the current driver.
// If so, load all JARs in that folder.
String driver_folder = "";
Boolean found_the_folder = false;
try
{
if (Properties.Settings.Default.Drivers.Contains(drivername))
{
int driver_index = Properties.Settings.Default.Drivers.IndexOf(drivername);
if (Properties.Settings.Default.DriverLocations.Count > driver_index)
{
driver_folder = Properties.Settings.Default.DriverLocations[driver_index];
// First assume the folder is a full path, check if it exists.
if (Directory.Exists(driver_folder))
{
found_the_folder = true;
}
else
{
// Try to append to the driver folder to the current local EXE path as a sub-folder.
driver_folder = Path.Combine(local_path, driver_folder);
if (Directory.Exists(driver_folder))
{
found_the_folder = true;
}
}
// Always try to add the folder if it exists.
if (found_the_folder)
{
bridgeSetup.AddAllJarsClassPath(driver_folder);
}
}
}
}
catch (Exception ex)
{
_logger.LogMsg(Level.Warn, String.Format("Error adding custom driver folder [{0}] to Java CLASSPATH: {1}.", driver_folder, ex.Message));
}
_logger.LogMsg(log4net.Core.Level.Debug, "Creating Java virtual machine (JVM).");
Bridge.CreateJVM(bridgeSetup);
_logger.LogMsg(log4net.Core.Level.Debug, "Registering custom driver assembly with .NET-Java bridge.");
Bridge.RegisterAssembly(typeof(MojoHiveDriver).Assembly);
_logger.LogMsg(log4net.Core.Level.Debug, "Creating custom driver proxy for .NET.");
driver = new MojoHiveDriver();
}
catch (System.Exception ex)
{
_logger.LogMsg(log4net.Core.Level.Error, "Error creating MojoHiveDriver proxy: " + ex.Message);
}
return(driver);
}
private IEnumerable<QvxDataRow> GetBillToCodes()
{
String tableName = "BillToCodes";
String xml_results = "";
try
{
//QvxLog.Log(QvxLogFacility.Application, QvxLogSeverity.Notice, "GetBillToCodes()");
_logger.LogMsg(log4net.Core.Level.Info, "Enter callback function GetBillToCodes()");
// DEBUGGING: try to connect to named pipe from here.
//Program.RunNamedPipeHandler(Program._parentWindowHandle, Program._commandQueue, _logger);
//QvxLog.Log(QvxLogFacility.Application, QvxLogSeverity.Notice, String.Format("GetEvents(log: {0}, tableName: {1})", log, tableName));
// TO DO: put this back in?
//VerifyCredentials();
// TO DO: put in basic validation of query ?
//if (!EventLog.Exists(log))
//{
// throw new QvxPleaseSendReplyException(QvxResult.QVX_TABLE_NOT_FOUND,
// String.Format("There is no EventLog with name: {0}", tableName));
//}
// Run the query, get a dataset in XML ?
// Get the path to the executing program so we can add it to the Java CLASSPATH.
String local_path = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location );
_logger.LogMsg(log4net.Core.Level.Info, "Working folder: " + local_path);
//QvxLog.Log(QvxLogFacility.Application, QvxLogSeverity.Notice, "Opening DotNet-Java bridge.");
_logger.LogMsg(log4net.Core.Level.Info, "Opening DotNet-Java bridge.");
var bridgeSetup = new BridgeSetup();
bridgeSetup.AddAllJarsClassPath(".");
bridgeSetup.AddAllJarsClassPath(local_path);
Bridge.CreateJVM(bridgeSetup);
Bridge.RegisterAssembly(typeof(MojoHiveDriver).Assembly);
String drivername = "org.apache.hive.jdbc.HiveDriver";
String url = "jdbc:hive2://54.218.97.70:21050/;auth=noSasl";
String username = "";
String password = "";
String queuename = "";
// *** Create the Java proxy class
//QvxLog.Log(QvxLogFacility.Application, QvxLogSeverity.Notice, "Creating MojoHiveDriver proxy.");
_logger.LogMsg(log4net.Core.Level.Info, "Creating MojoHiveDriver proxy.");
IMojoHiveDriver driver = new MojoHiveDriver();
// *** Test Cloudera connection
//QvxLog.Log(QvxLogFacility.Application, QvxLogSeverity.Notice, String.Format("Testing connection: driver={0} | url={1} | queuename={2} | username={3} | password={4}.", drivername, url, queuename, username, password));
_logger.LogMsg(log4net.Core.Level.Info, String.Format("Testing connection: driver={0} | url={1} | queuename={2} | username={3} | password={4}.", drivername, url, queuename, username, password));
int result = driver.TestConnection(drivername, url, queuename, username, password);
if (result == 0)
{
//QvxLog.Log(QvxLogFacility.Application, QvxLogSeverity.Notice, "Connection successful.");
_logger.LogMsg(log4net.Core.Level.Info, "Connection successful.");
}
else
{
//QvxLog.Log(QvxLogFacility.Application, QvxLogSeverity.Notice, "Connection failed: " + driver.GetLastExceptionMessage());
_logger.LogMsg(log4net.Core.Level.Info, "Connection failed: " + driver.GetLastExceptionMessage());
}
// *** Run an actual query
//TO DO: get this from QlikView ? Must use named pipes?
//String sql = "SELECT * FROM billtocodes WHERE billtocode='3DAKE'";
//String sql = "SELECT * FROM billtocodes WHERE billtocode LIKE '4P%'";
String sql = "SELECT * FROM billtocodes WHERE billtoeffdt > '2008-02-01 00:00:00' AND billtoeffdt < '2008-02-28 00:00:00'";
_logger.LogMsg(log4net.Core.Level.Info, "Running query: " + sql);
xml_results = driver.QueryResultSetAsXML(drivername, url, queuename, username, password, sql);
//_logger.LogMsg(log4net.Core.Level.Info, "XML results:\r\n" + xml_results);
}
catch (System.Exception ex)
{
_logger.LogMsg(log4net.Core.Level.Error, "Fatal exception: " + ex.Message);
}
_logger.LogMsg(log4net.Core.Level.Info, "Loading XML into parser." + xml_results);
System.Xml.XmlDocument doc = new XmlDocument();
doc.LoadXml(xml_results);
XmlNode root = doc.FirstChild;
if (root.HasChildNodes)
{
_logger.LogMsg(log4net.Core.Level.Info, String.Format("Query returned {0} rows.", root.ChildNodes.Count.ToString()));
_logger.LogMsg(log4net.Core.Level.Info, "Moving data from XML to QlikView objects." + xml_results);
foreach (XmlNode row_node in root.ChildNodes)
{
//Debug.WriteLine(row_node.Name);
yield return MakeEntry(row_node, FindTable(tableName, MTables));
//foreach (XmlNode field_node in row_node.ChildNodes)
//{
// Debug.WriteLine(field_node.Name + " = " + field_node.InnerText);
//}
}
}
else
{
_logger.LogMsg(log4net.Core.Level.Warn, "No rows returned!" + xml_results);
}
}
