protected override bool ProcessWorkItem(SPContentDatabase contentDatabase,
SPWorkItemCollection workItems, SPWorkItem workItem, SPJobState jobState)
{
Stopwatch sw = Stopwatch.StartNew(); //used to time how long the export took
bool processingAlready = false;
try
{
if (workItem != null)
{
//process the workItem
using (SPSite site = new SPSite(workItem.SiteId))
{
using (SPWeb web = site.OpenWeb(workItem.WebId))
{
// processing logic
// 1. SET GlymaExport list Item to ExportStatus.Processing
// 2. START export based on type in GlymaExport list item
// 3. STORE the export in the GlymaExport list against the item as an attachment
// 4. SET GlymaExport list item to ExportStatus.Completed
SPList exportsList = null;
SPListItem exportItem = null;
try
{
exportsList = web.Lists[workItem.ParentId];
exportItem = exportsList.GetItemByUniqueId(workItem.ItemGuid);
if (exportItem != null)
{
string exportStatus = exportItem["ExportStatus"] as string;
if (exportStatus == ExportStatus.Scheduled.ToString())
{
// If the export was still marked as scheduled then set it to processing
WriteExportStatus(workItem, ExportStatus.Processing);
exportItem = exportsList.GetItemByUniqueId(workItem.ItemGuid);
if (exportItem != null)
{
// read the type of export that we should produce
ExportType exportType = (ExportType)Enum.Parse(typeof(ExportType), exportItem["ExportType"] as string);
MapType mapType = (MapType)Enum.Parse(typeof(MapType), exportItem["MapType"] as string);
Dictionary<string, string> exportProperties = null;
string exportPropertiesStr = exportItem["ExportProperties"] as string;
if (!string.IsNullOrEmpty(exportPropertiesStr) && exportPropertiesStr.Trim() != string.Empty)
{
try
{
ExportPropertiesDictionary exportDict = new ExportPropertiesDictionary(exportPropertiesStr);
exportProperties = exportDict as Dictionary<string, string>;
}
catch (XmlSchemaValidationException)
{
exportProperties = null;
}
}
bool useVerboseLogging = false;
if (exportProperties != null)
{
if (exportProperties.ContainsKey("Verbose"))
{
if (exportProperties["Verbose"].ToLower() == "true")
{
useVerboseLogging = true;
}
}
}
if (useVerboseLogging)
{
LogMessage(workItem, "Creating Map Manager for the web: {0}.", web.Url);
}
// create the appropriate IExportUtility for the ExportType
MapManagerFactory mapManagerFactory = new MapManagerFactory();
IMapManager mapManager = mapManagerFactory.GetMapManager(web);
if (mapManager != null)
{
if (useVerboseLogging)
{
LogMessage(workItem, "Created Map Manager for the web: {0}.", web.Url);
}
ExportUtilityFactory exportUtilityFactory = new ExportUtilityFactory(mapManager);
IExportUtility exportUtility = exportUtilityFactory.CreateExportUtility(mapType, exportType);
if (exportUtility != null)
{
if (useVerboseLogging)
{
LogMessage(workItem, "Created Export Utility for {0} map type to {1}.", mapType.ToString(), exportType.ToString());
}
exportItem = exportsList.GetItemByUniqueId(workItem.ItemGuid);
if (exportItem != null)
{
Guid rootMapUid = Guid.Empty;
Guid domainUid = Guid.Empty;
try
{
string rootMapUidValue = exportItem["RootMapUid"] as string;
string domainUidValue = exportItem["DomainUid"] as string;
domainUid = new Guid(domainUidValue);
rootMapUid = new Guid(rootMapUidValue);
}
catch (Exception ex)
{
//The GUIDs were not parsed correctly
}
if (rootMapUid != Guid.Empty && domainUid != Guid.Empty)
{
//The export utility will do the grunt work and provide a URL to the temp file created
GlymaExportUserState userState = new GlymaExportUserState(workItem);
userState.UseVerboseLogging = useVerboseLogging; //store the level of logging to use in the event handlers
exportUtility.ExportCompleted += exportUtility_ExportCompleted;
exportUtility.ProgressChanged += exportUtility_ProgressChanged;
exportUtility.ExceptionRaised += exportUtility_ExceptionRaised;
if (useVerboseLogging)
{
LogMessage(workItem, "Starting export.");
}
exportUtility.ExportMap(domainUid, rootMapUid, exportProperties, new List<Guid>(), userState);
if (useVerboseLogging)
{
LogMessage(workItem, "Waiting for export to complete.");
}
// Wait for the export to complete (up to the timeout)
bool signalled = userState.Completed.WaitOne(TIMEOUT_MS);
if (!signalled)
{
if (useVerboseLogging)
{
LogMessage(workItem, "The export timed out after {0}ms", TIMEOUT_MS);
}
// The timeout occurred so don't process the completed or progress changed events
exportUtility.ExportCompleted -= exportUtility_ExportCompleted;
exportUtility.ProgressChanged -= exportUtility_ProgressChanged;
exportUtility.ExceptionRaised -= exportUtility_ExceptionRaised;
}
}
else
{
throw new Exception(string.Format("The DomainUid and/or RootMapUid were not valid Guid's. DomainUid: {0} RootMapUid: {1}.", domainUid.ToString(), rootMapUid.ToString()));
}
}
}
else
{
throw new Exception(string.Format("Unable to create export utility for the export type: {0}.", exportType.ToString()));
}
}
else
{
throw new Exception(string.Format("Unable to build an IMapManager for the current SPWeb. {0}", mapManagerFactory.ErrorMessage));
}
}
}
else if (exportStatus == ExportStatus.Processing.ToString())
{
//shouldn't do anything unless it's scheduled.
processingAlready = true;
}
}
else
{
throw new Exception("The Export Job did not exist in the list.");
}
}
catch (TargetInvocationException tiex)
{
if (workItem != null)
{
WriteExportStatus(workItem, ExportStatus.Error);
LogMessage(workItem, "Error during export: {0}", tiex.Message);
if (tiex.InnerException != null)
{
LogMessage(workItem, "Inner Exception({0}): {1}.\r\nStackTrace: {2}", tiex.InnerException.GetType().ToString(), tiex.InnerException.Message, tiex.InnerException.StackTrace);
}
}
}
catch (Exception ex)
{
//exception handling
if (workItem != null)
{
WriteExportStatus(workItem, ExportStatus.Error);
LogMessage(workItem, "Error during export: {0}.", ex.Message);
}
}
finally
{
if (!processingAlready)
{
// delete the workItem after we've processed it
workItems.SubCollection(site, web, 0, (uint)workItems.Count).DeleteWorkItem(workItem.Id);
}
//Update the progress of the timer job
Progress += (100 / workItems.Count); //estimate only, some maps will export faster than others and different types may export faster
if (Progress > 100)
{
Progress = 100;
}
this.UpdateProgress(Progress); //The base classes timer job's overall progress
if (!processingAlready) //this is if the timer job ran and started processing the item that was already being processed
{
exportItem = exportsList.GetItemByUniqueId(workItem.ItemGuid);
if (exportItem != null)
{
string exportStatus = exportItem["ExportStatus"] as string;
if (exportStatus == ExportStatus.Processing.ToString())
{
//if it's still processing and at this point then something has failed.
WriteExportStatus(workItem, ExportStatus.Error);
LogMessage(workItem, "The export failed as it was still in a processing state when it had apparently completed.");
}
LogMessage(workItem, "Completed in {0:0.000}s.", sw.Elapsed.TotalSeconds);//add in a metric for how long the export took (successful or failure)
}
}
}
}
}
}
}
catch (Exception ex)
{
//exception handling
throw new Exception("Failed to while processing Glyma Export Work Item Timer Job.", ex);
}
return true;
}
private void OnInitialiseMapManagerCompleted(object sender, InitialiseMapManagerEventArgs e)
{
if (e.IsInitialised)
{
ProgressRecord progressRecord = new ProgressRecord(0, "Exporting Glyma Map", string.Format("Initialising {0} export processor", ExportFormat.ToString()));
progressRecord.SecondsRemaining = -1;
progressRecord.PercentComplete = 5;
progressRecord.RecordType = ProgressRecordType.Processing;
lock (pr_lock)
{
this.ProgressRecord = progressRecord;
ProgressEvent.Set(); //notify of change to progress
}
ExportUtilityFactory exportFactory = new ExportUtilityFactory(MapManager);
IExportUtility exportUtil = null;
switch (MapSchema)
{
case "IBIS":
switch (ExportFormat)
{
case "Compendium":
exportUtil = exportFactory.CreateExportUtility(MapType.IBIS, ExportType.Compendium);
break;
case "Word":
exportUtil = exportFactory.CreateExportUtility(MapType.IBIS, ExportType.Word);
break;
case "PDF":
exportUtil = exportFactory.CreateExportUtility(MapType.IBIS, ExportType.PDF);
break;
case "GlymaXML":
//exportUtil = exportFactory.CreateExportUtility(MapType.IBIS, ExportType.GlymaXml);
lock (msg_lock)
{
Message = "Exporting to GlymaXML format is currently not supported";
LogMessageEvent.Set();
}
break;
}
break;
}
exportUtil.ExportCompleted += OnExportCompleted;
exportUtil.ProgressChanged += OnProgressChanged;
ExportPropertiesDictionary exportProps = CreateExportProperties();
GlymaExportUserState userState = new GlymaExportUserState(Output);
progressRecord = new ProgressRecord(0, "Exporting Glyma Map", "Export Progress: 0%");
progressRecord.SecondsRemaining = -1;
progressRecord.PercentComplete = 10;
progressRecord.RecordType = ProgressRecordType.Processing;
lock (pr_lock)
{
this.ProgressRecord = progressRecord;
ProgressEvent.Set(); //notify of change to progress
}
exportUtil.ExportMap(Domain, Map, exportProps, null, userState);
bool signalled = userState.Completed.WaitOne(Timeout.Infinite); //wait for the export to completed
if (!signalled)
{
Completed.Set(); //since it's inifinite timeout this shouldn't happen
}
}
else
{
lock (msg_lock)
{
this.Message = string.Format("Failed to initialise the web service client: {0}", e.ErrorMessage);
LogMessageEvent.Set();
}
Completed.Set();
}
}
