Esempio n. 1
0
        protected void DeleteWorkItem(SPWorkItemCollection itemsToProcess, SPWorkItem currentItem)
        {
            int itemIndex = -1; int count = itemsToProcess.Count; for (int i = 0; i < count; i++)

            {
                if (itemsToProcess[i].Id == currentItem.Id)
                {
                    itemIndex = i;
                    break;
                }
            }
            if (itemIndex > -1)
            {
                try
                {
                    using (SPSite site = new SPSite(currentItem.SiteId))
                    {
                        using (SPWeb web = site.OpenWeb(currentItem.WebId))
                        {
                            SPWorkItemCollection deletableCollection = itemsToProcess.SubCollection(site, web, (uint)itemIndex, (uint)itemIndex + 1);
                            deletableCollection.DeleteWorkItem(currentItem.Id);
                        }
                    }
                }
                catch (Exception ex)
                {
                    ex.ToString();
                }
            }
        }
        protected override bool ProcessWorkItem(SPContentDatabase contentDatabase, SPWorkItemCollection workItems, SPWorkItem workItem, SPJobState jobState)
        {
            using (var site = new SPSite(workItem.SiteId))
            {
                using (SPWeb web = site.OpenWeb(workItem.WebId))
                {
                    workItems.SubCollection(site, web, 0, (uint)workItems.Count).DeleteWorkItem(workItem.Id);
                }
            }

            try
            {
                var stringSeparators = new string[] { "-#####-" };

                string[] cmds = workItem.TextPayload.Split(stringSeparators, StringSplitOptions.RemoveEmptyEntries);

                SPWebApplication webApp = SPWebApplication.Lookup(new Uri(cmds[0]));

                SPIisSettings iis = webApp.IisSettings[SPUrlZone.Default];

                string port;

                if (iis.ServerBindings.Count > 0)
                {
                    port = iis.ServerBindings[0].Port.ToString();
                }
                else
                {
                    string path = iis.Path.ToString();
                    port = path.Substring(path.LastIndexOf('\\') + 1);
                }

                if (!string.IsNullOrEmpty(port))
                {
                    port = ":" + port;
                }

                var reloadCacheTimerJob = new ReloadCacheTimerJob("Oceanik.ReloadCacheJob" + Guid.NewGuid(), webApp, null, SPJobLockType.None)
                {
                    Schedule = new SPOneTimeSchedule(DateTime.Now)
                };

                string command = "http://localhost" + port + cmds[1];
                reloadCacheTimerJob.Properties.Add("CMD", command);

                reloadCacheTimerJob.Update();

                SPSecurity.RunWithElevatedPrivileges(() => EventLog.WriteEntry("ReloadCacheJobDefinition.ProcessWorkItem.ExecuteCommand", command, EventLogEntryType.Information));
            }
            catch (Exception ex)
            {
                SPSecurity.RunWithElevatedPrivileges(() => EventLog.WriteEntry("ReloadCacheJobDefinition.ProcessWorkItem", ex.Message, EventLogEntryType.Error));
            }

            return(true);
        }
Esempio n. 3
0
        protected override bool ProcessWorkItem(SPContentDatabase contentDb, SPWorkItemCollection workItems,
                                                SPWorkItem workItem, SPJobState jobState)
        {
            if (workItem == null)
            {
                throw new ArgumentException("workItem is null");
            }
            try
            {
                using (SPSite site = new SPSite(workItem.SiteId))
                {
                    using (SPWeb web = site.OpenWeb(workItem.WebId))
                    {
                        try
                        {
                            //TODO CODE HERE
                            SPList     list     = web.Lists[workItem.ParentId];
                            SPListItem listItem = list.GetItemByUniqueId(workItem.ItemGuid);

                            SPList subList  = web.Lists["SubscriberList"];
                            SPList elements = web.Lists["SubscribeElementList"];
                            //TODO Rewrite to caml
                            for (int i = 0; i < subList.ItemCount; i++)
                            {
                                SPListItem item = subList.Items[i];
                                if (workItem.UserId == (int)item["User"])
                                {
                                    SPListItem newSubItem = elements.Items.Add();
                                    newSubItem["User"]   = workItem.UserId;
                                    newSubItem["NewsID"] = listItem["ID"];
                                    newSubItem["Readed"] = false;
                                    newSubItem.Update();
                                }
                            }
                        }
                        catch (Exception e)
                        {
                            throw e;
                        }
                        finally
                        {
                            workItems.SubCollection(site, web, 0, (uint)workItems.Count).DeleteWorkItem(workItem.Id);
                        }
                    }
                }
            }
            catch (Exception e)
            {
                throw e;
            }

            return(true);
        }
Esempio n. 4
0
 /// <summary>
 /// Deletes and of the TimerJob WorkItems for the GlymaExportWorkItemTimerJob if they still exist and are in error state.
 /// </summary>
 /// <param name="job">The ExportJob</param>
 /// <param name="site">The SPSite</param>
 /// <param name="web">The SPWeb</param>
 private void CleanupErrorWorkItems(ExportJob job, SPSite site, SPWeb web)
 {
     //ensure that only jobs in error state are attempted to be removed
     if (job.Status == ExportStatus.Error)
     {
         try
         {
             SPWorkItemCollection workItemsCollection = new SPWorkItemCollection(site, GlymaExportWorkItemTimerJob.WorkItemTypeId);
             uint   colCount, rowCount = 0;
             object workItems = null;
             site.GetWorkItems(workItemsCollection, out colCount, out rowCount, out workItems);
             if (workItemsCollection.Count > 0)
             {
                 SPWorkItemCollection subCollection = workItemsCollection.SubCollection(site, web, 0, (uint)workItemsCollection.Count);
                 subCollection.DeleteWorkItem(job.Id);
             }
         }
         catch (Exception)
         {
         }
     }
 }
        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;
        }
 /// <summary>
 /// Deletes and of the TimerJob WorkItems for the GlymaExportWorkItemTimerJob if they still exist and are in error state. 
 /// </summary>
 /// <param name="job">The ExportJob</param>
 /// <param name="site">The SPSite</param>
 /// <param name="web">The SPWeb</param>
 private void CleanupErrorWorkItems(ExportJob job, SPSite site, SPWeb web)
 {
     //ensure that only jobs in error state are attempted to be removed
     if (job.Status == ExportStatus.Error) 
     {
         try
         {
             SPWorkItemCollection workItemsCollection = new SPWorkItemCollection(site, GlymaExportWorkItemTimerJob.WorkItemTypeId);
             uint colCount, rowCount = 0;
             object workItems = null;
             site.GetWorkItems(workItemsCollection, out colCount, out rowCount, out workItems);
             if (workItemsCollection.Count > 0)
             {
                 SPWorkItemCollection subCollection = workItemsCollection.SubCollection(site, web, 0, (uint)workItemsCollection.Count);
                 subCollection.DeleteWorkItem(job.Id);
             }
         }
         catch (Exception)
         {
         }
     }
 }
        /// <summary>
        /// Deletes an ExportJob if it's in the Scheduled, Completed, or Error ExportStates.
        /// </summary>
        /// <param name="job">The ExportJob to delete</param>
        /// <returns>The ExportJob that was deleted</returns>
        public ExportJobResponse DeleteExportJob(ExportJob job)
        {
            ExportJobResponse response = new ExportJobResponse();
            
            try
            {
                Guid webID = SPContext.Current.Web.ID;
                Guid siteID = SPContext.Current.Site.ID;
                SPSecurity.RunWithElevatedPrivileges(delegate()
                {
                    SPList exportsList = null;
                    using (SPSite site = new SPSite(siteID))
                    {
                        using (SPWeb web = site.OpenWeb(webID))
                        {
                            if (web != null && site != null)
                            {
                                exportsList = web.TryGetList(web.GetServerRelativeListUrlPrefix() + "GlymaExports");
                                if (exportsList != null)
                                {
                                    SPQuery query = new SPQuery();
                                    query.Query = "<Where>" +
                                                        "<Eq><FieldRef Name='Title' /><Value Type='Text'>" + job.Id.ToString() + "</Value></Eq>" +
                                                    "</Where>";
                                    SPListItemCollection exports = exportsList.GetItems(query);
                                    // There can only be one ExportJob with the job ID (unique values enforced in SP list for Title column)
                                    if (exports.Count > 0)
                                    {
                                        SPListItem exportItem = exports[0];
                                        if (exportItem != null)
                                        {
                                            string exportStatusStr = exportItem["ExportStatus"] as string;
                                            ExportStatus exportStatus = (ExportStatus)Enum.Parse(typeof(ExportStatus), exportStatusStr, true);

                                            if (exportStatus == ExportStatus.Scheduled)
                                            {
                                                SPWorkItemCollection workItemsCollection = new SPWorkItemCollection(site, GlymaExportWorkItemTimerJob.WorkItemTypeId);
                                                uint colCount, rowCount = 0;
                                                object workItems = null;
                                                site.GetWorkItems(workItemsCollection, out colCount, out rowCount, out workItems); //gets all work items for this site of the type GlymaExportWorkItemTimerJob
                                                if (workItemsCollection.Count > 0)
                                                {
                                                    // Delete the work item that this export job created
                                                    SPWorkItemCollection subCollection = workItemsCollection.SubCollection(site, web, 0, (uint)workItemsCollection.Count);
                                                    subCollection.DeleteWorkItem(job.Id);
                                                }
                                            }

                                            if (exportStatus == ExportStatus.Scheduled || exportStatus == ExportStatus.Completed || exportStatus == ExportStatus.Error)
                                            {
                                                exportItem.Delete(); //delete the item after it has been cancelled
                                            }
                                            else if (exportStatus == ExportStatus.Processing)
                                            {
                                                throw new Exception("The export job is currently processing and cannot be deleted.");
                                            }
                                        }
                                        response.ExportJob = job;
                                    }
                                }
                                else
                                {
                                    throw new Exception("Failed to find the Glyma Exports list.");
                                }
                            }
                            else
                            {
                                throw new Exception("The SPSite and/or the SPWeb were null.");
                            }
                        }
                    }
                });
            }
            catch (Exception ex)
            {
                ExportError error = new ExportError() { ErrorMessage = "Failed to cancel the Glyma map export job." };
                throw new FaultException<ExportError>(error, ex.ToString());
            }

            return response;
        }
Esempio n. 8
0
        /// <summary>
        /// Deletes an ExportJob if it's in the Scheduled, Completed, or Error ExportStates.
        /// </summary>
        /// <param name="job">The ExportJob to delete</param>
        /// <returns>The ExportJob that was deleted</returns>
        public ExportJobResponse DeleteExportJob(ExportJob job)
        {
            ExportJobResponse response = new ExportJobResponse();

            try
            {
                Guid webID  = SPContext.Current.Web.ID;
                Guid siteID = SPContext.Current.Site.ID;
                SPSecurity.RunWithElevatedPrivileges(delegate()
                {
                    SPList exportsList = null;
                    using (SPSite site = new SPSite(siteID))
                    {
                        using (SPWeb web = site.OpenWeb(webID))
                        {
                            if (web != null && site != null)
                            {
                                exportsList = web.TryGetList(web.GetServerRelativeListUrlPrefix() + "GlymaExports");
                                if (exportsList != null)
                                {
                                    SPQuery query = new SPQuery();
                                    query.Query   = "<Where>" +
                                                    "<Eq><FieldRef Name='Title' /><Value Type='Text'>" + job.Id.ToString() + "</Value></Eq>" +
                                                    "</Where>";
                                    SPListItemCollection exports = exportsList.GetItems(query);
                                    // There can only be one ExportJob with the job ID (unique values enforced in SP list for Title column)
                                    if (exports.Count > 0)
                                    {
                                        SPListItem exportItem = exports[0];
                                        if (exportItem != null)
                                        {
                                            string exportStatusStr    = exportItem["ExportStatus"] as string;
                                            ExportStatus exportStatus = (ExportStatus)Enum.Parse(typeof(ExportStatus), exportStatusStr, true);

                                            if (exportStatus == ExportStatus.Scheduled)
                                            {
                                                SPWorkItemCollection workItemsCollection = new SPWorkItemCollection(site, GlymaExportWorkItemTimerJob.WorkItemTypeId);
                                                uint colCount, rowCount = 0;
                                                object workItems        = null;
                                                site.GetWorkItems(workItemsCollection, out colCount, out rowCount, out workItems); //gets all work items for this site of the type GlymaExportWorkItemTimerJob
                                                if (workItemsCollection.Count > 0)
                                                {
                                                    // Delete the work item that this export job created
                                                    SPWorkItemCollection subCollection = workItemsCollection.SubCollection(site, web, 0, (uint)workItemsCollection.Count);
                                                    subCollection.DeleteWorkItem(job.Id);
                                                }
                                            }

                                            if (exportStatus == ExportStatus.Scheduled || exportStatus == ExportStatus.Completed || exportStatus == ExportStatus.Error)
                                            {
                                                exportItem.Delete(); //delete the item after it has been cancelled
                                            }
                                            else if (exportStatus == ExportStatus.Processing)
                                            {
                                                throw new Exception("The export job is currently processing and cannot be deleted.");
                                            }
                                        }
                                        response.ExportJob = job;
                                    }
                                }
                                else
                                {
                                    throw new Exception("Failed to find the Glyma Exports list.");
                                }
                            }
                            else
                            {
                                throw new Exception("The SPSite and/or the SPWeb were null.");
                            }
                        }
                    }
                });
            }
            catch (Exception ex)
            {
                ExportError error = new ExportError()
                {
                    ErrorMessage = "Failed to cancel the Glyma map export job."
                };
                throw new FaultException <ExportError>(error, ex.ToString());
            }

            return(response);
        }
Esempio n. 9
0
        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);
        }