/// <summary>
/// Returns all scheduled <c>IImagingTask</c>s for the <c>plateID</c>.
/// </summary>
IImagingTask[] IImagingTaskProvider.GetImagingTasks(Formulatrix.Integrations.ImagerLink.IRobot robot, string plateID)
{
// Check arguments - do it up front to avoid possible inconsistencies later
if (null == robot)
{
throw new System.NullReferenceException("robot must not be null");
}
if (null == plateID)
{
throw new System.NullReferenceException("plateID must not be null");
}
// Log the call to the method
if (_log.IsDebugEnabled)
{
string msg = "Called " + this + ".GetImagingTasks(robot=" + RobotUtils.iRobotToString(robot) + ", plateID=\"" + plateID + "\")";
_log.Debug(msg);
}
// Declare the array that will be populated and returned - default to a zero-length array
IImagingTask[] iImagingTasks = new IImagingTask[0];
// Ensure connected to database - may throw an exception but we don't need/want to catch it
if (System.Data.ConnectionState.Closed.Equals(_platedbConnection.State))
{
connectToDB();
}
// Try and read the imaging tasks from the db
try
{
// TODO - unnecessary check? Can connectToDB fail without throwing an exception?
if (System.Data.ConnectionState.Open.Equals(_platedbConnection.State))
{
// Update the parameters
_command.Parameters["@p1"].Value = plateID;
_command.Parameters["@p2"].Value = robot.Name;
// Execute the select
OdbcDataReader dataReader = _command.ExecuteReader();
// Read the data reader's rows into the ProjectList
if (dataReader.HasRows)
{
// Get an ArrayList to hold the tasks
System.Collections.ArrayList tasks = new System.Collections.ArrayList();
// Loop over all the returned rows
while (dataReader.Read())
{
// Create and populate a new ImagingTask
OPPF.Integrations.ImagerLink.Scheduling.ImagingTask task = new OPPF.Integrations.ImagerLink.Scheduling.ImagingTask();
// .NET < 2.0
//task.DateToImage = dataReader.GetDateTime(0);
// .NET >= 2.0 Only!
task.SetDateToImage(DateTime.SpecifyKind(dataReader.GetDateTime(0), DateTimeKind.Utc));
if (dataReader.IsDBNull(1))
{
task.SetDateImaged(DateTime.MinValue);
}
else
{
// .NET < 2.0
//task.DateImaged = dataReader.GetDateTime(1);
// .NET >= 2.0 Only!
task.SetDateImaged(DateTime.SpecifyKind(dataReader.GetDateTime(1), DateTimeKind.Utc));
//task.DateImaged = dataReader.GetDateTime(1).ToLocalTime();
}
task.SetPriority(dataReader.GetInt32(2));
task.SetState((Formulatrix.Integrations.ImagerLink.Scheduling.ImagingState)dataReader.GetInt32(3));
task.SetInQueue(true);
// Store this task in the ArrayList
tasks.Add(task);
//_log.Debug("> Got task: DateToImage=" + task.DateToImage + ", Priority=" + task.Priority + ", State=" + task.State + ", InQueue= " + task.InQueue);
}
// Convert ArrayList to IImagingTask[]
iImagingTasks = (IImagingTask[])tasks.ToArray(typeof(IImagingTask));
}
// Close the dataReader
dataReader.Close();
}
}
catch (Exception e)
{
// Log it
string msg = "Exception " + e.Message + " during direct db part of getImagingTasks() for plate " + plateID + " - will fail down to webservice call";
_log.Error(msg, e);
// Don't rethrow - fail down to webservice call
}
// If we got no or not enough tasks
if ((null == iImagingTasks) || (iImagingTasks.GetLength(0) < MIN_IMAGING_TASKS))
{
// Hit the webservice, which may cause a schedule to be created
iImagingTasks = GetImagingTasksFromWebService(robot, plateID);
}
// Set an appropriate value for InQueue
setInQueue(iImagingTasks);
// Ensure we never return null
if (null == iImagingTasks)
{
// Fix it
iImagingTasks = new IImagingTask[0];
// Log it
_log.Warn("Fixed null iImagingTasks at end of WSPlate.getImagingTasks() for plate " + plateID);
}
// Return the array of IImagingTasks
return(iImagingTasks);
}
/// <summary>
/// Web service version of GetImagingTasks - useful because it will
/// cause a full schedule to be written if one doesn't already
/// exist.
///
/// Warning - this is a lot slower than going straight to platedb!
/// </summary>
/// <param name="robot">The robot</param>
/// <param name="plateID">The barcode of the plate</param>
/// <returns></returns>
public IImagingTask[] GetImagingTasksFromWebService(Formulatrix.Integrations.ImagerLink.IRobot robot, string plateID)
{
// Check arguments - do it up front to avoid possible inconsistencies later
if (null == robot)
{
throw new System.NullReferenceException("robot must not be null");
}
if (null == plateID)
{
throw new System.NullReferenceException("plateID must not be null");
}
// Log the call
if (_log.IsInfoEnabled)
{
string msg = "Calling WSPlate.getImagingTasks() for plate " + plateID + ", robot " + RobotUtils.iRobotToString(robot);
_log.Info(msg);
}
// Declare the array that will be populated and returned
// - default to a zero-length array
IImagingTask[] iImagingTasks = new IImagingTask[0];
// Set the request
getImagingTasks request = new getImagingTasks();
request.robot = OPPF.Utilities.RobotUtils.createProxy(robot);
request.plateID = plateID;
// Make the call
getImagingTasksResponse response = null;
try
{
WSPlate wsPlate = new WSPlate();
response = wsPlate.getImagingTasks(request);
}
catch (Exception e)
{
// Log it
string msg = "WSPlate.getImagingTasks threw " + e.GetType() + ": " + e.Message + " for plateid \"" + plateID + "\" in robot \"" + robot.Name + "\" - returning empty IImagingTask[]";
if (e is System.Web.Services.Protocols.SoapException)
{
System.Web.Services.Protocols.SoapException ee = (System.Web.Services.Protocols.SoapException)e;
msg = msg + "\n\n" + ee.Detail.InnerXml;
}
_log.Error(msg, e);
// Don't rethrow - just return empty array
return(iImagingTasks);
}
// If we got a response
if (null != response)
{
// Get the array of ImagingTasks from the response
OPPF.Proxies.ImagingTask[] wrapper = response.wrapper;
// Convert to IImagingTasks
iImagingTasks = new IImagingTask[wrapper.GetLength(0)];
for (int i = 0; i < wrapper.GetLength(0); i++)
{
OPPF.Integrations.ImagerLink.Scheduling.ImagingTask task = new OPPF.Integrations.ImagerLink.Scheduling.ImagingTask();
task.SetDateImaged(wrapper[i].dateImaged);
task.SetDateToImage(wrapper[i].dateToImage);
task.SetInQueue(wrapper[i].inQueue);
task.SetPriority(wrapper[i].priority);
task.SetState((Formulatrix.Integrations.ImagerLink.Scheduling.ImagingState)wrapper[i].state);
iImagingTasks[i] = task;
}
}
// Return the IImagingTask array
return(iImagingTasks);
}