public ImportViewModel(Store store) : base(store)
{
LocalImportCheckedCommand = new RelayCommand(HandleLocalImportChecked);
RemoteImportCheckedCommand = new RelayCommand(HandleRemoteImportChecked);
StartClickCommand = new RelayCommand<RoutedEventArgs>(HandleStartClick);
QueuedJobs = new ObservableCollection<ImportJobViewModel>();
}
public ExportViewModel(Store store)
: base(store)
{
StartClickCommand = new RelayCommand<RoutedEventArgs>(HandleStartClick);
ExportFileName = string.Format(store.Location + "_" + DateTime.Now.ToString("yyyyMMdd_HHmmss"));
ExportFileFormats = RdfFormat.AllFormats.Select(x=>new RdfFormatViewModel(x)).OrderBy(x=>x.DisplayName).ToArray();
ExportFileFormat = ExportFileFormats.FirstOrDefault(x => x.Format.DefaultExtension.Equals("nt"));
}
public SparqlUpdateViewModel(Store store, IEnumerable<PrefixConfiguration> prefixes)
: base(store)
{
ExecuteCommand = new RelayCommand(ExecuteSparql);
KeyUpCommand = new RelayCommand<KeyEventArgs>(HandleKeyUp);
SparqlUpdateString = String.Join("\n",
prefixes.Select(p => String.Format("PREFIX {0}: <{1}>", p.Prefix, p.Uri)));
if (!String.IsNullOrEmpty(SparqlUpdateString)) SparqlUpdateString += "\n";
}
public StoreHistoryViewModel(Store store, IEnumerable<PrefixConfiguration> prefixes) : base(store)
{
CommitPoints = new ObservableCollection<CommitPointViewModel>(store.GetCommitPoints(0, 20));
HasMoreCommitPoints = CommitPoints.Count == 20;
HistoricalQueryViewModel = new SparqlQueryViewModel(store, prefixes);
ExecuteCommand = HistoricalQueryViewModel.ExecuteCommand;
RefreshCommand = new RelayCommand(Refresh);
RevertCommand = new RelayCommand(Revert);
MoreCommitPointsCommand = new RelayCommand(MoreCommitPoints);
}
public SparqlQueryViewModel(Store store, IEnumerable<PrefixConfiguration> prefixes)
: base(store)
{
ExecuteCommand = new RelayCommand(ExecuteSparql);
KeyUpCommand = new RelayCommand<KeyEventArgs>(HandleKeyUp);
LoadCommand = new RelayCommand(LoadQuery);
SaveCommand = new RelayCommand(SaveQuery);
ResultColumnNames = new ObservableCollection<string>();
SparqlQueryString = String.Join("\n",
prefixes.Select(p => String.Format("PREFIX {0}: <{1}>", p.Prefix, p.Uri)));
if (!String.IsNullOrEmpty(SparqlQueryString)) SparqlQueryString += "\n";
}
private void HandleShowWindowMessage(ShowWindowMessage msg)
{
switch (msg.Name)
{
case "NewConnection":
{
var connectionModel = new Connection();
var newConnectionDialog = new ConnectionPropertiesDialog {DataContext = connectionModel};
var dlgResult = newConnectionDialog.ShowDialog();
if (dlgResult.HasValue && dlgResult.Value)
{
var model = DataContext as MainViewModel;
if (model != null)
{
model.StoreSources.Add(connectionModel);
model.AddConnectionConfiguration(connectionModel.Name,
connectionModel.ConnectionString,
connectionModel.RequiresAuthentication);
}
}
break;
}
case "EditConnection":
{
var connectionModel = msg.ViewModel as Connection;
if (connectionModel != null)
{
var editModel = connectionModel.Clone();
var dlg = new ConnectionPropertiesDialog {DataContext = editModel};
var dlgResult = dlg.ShowDialog();
if (dlgResult.HasValue && dlgResult.Value)
{
var oldName = connectionModel.Name;
connectionModel.CopyFrom(editModel);
var mvm = DataContext as MainViewModel;
if (mvm != null)
{
mvm.ServerRefresh(connectionModel);
}
// Update configuration
var model = DataContext as MainViewModel;
if (model != null)
{
model.UpdateConnectionConfiguration(oldName, connectionModel.Name, connectionModel.ConnectionString, connectionModel.RequiresAuthentication);
}
}
}
break;
}
case "PrefixesDialog":
{
var configuration = msg.ViewModel as PolarisConfigurationModel;
if (configuration != null)
{
var oldPrefixes = new List<PrefixConfiguration>(configuration.Prefixes);
var dlg = new PrefixesDialog { DataContext = configuration };
var dlgResult = dlg.ShowDialog();
if (dlgResult.HasValue && dlgResult.Value)
{
configuration.Save();
} else
{
configuration.Prefixes = oldPrefixes;
}
}
break;
}
case "CreateStore":
{
var connection = msg.ViewModel as Connection;
if (connection != null)
{
var storeModel = new Store(connection, Guid.NewGuid().ToString());
var storePropertiesDialog = new StorePropertiesDialog
{DataContext = storeModel, Title = "New Store Properties"};
var dlgResult = storePropertiesDialog.ShowDialog();
if (dlgResult.HasValue && dlgResult.Value && msg.Continuation != null)
{
msg.Continuation(storePropertiesDialog.DataContext);
}
}
break;
}
case "AboutDialog":
{
var dlg = new AboutDialog {DataContext = msg.ViewModel};
dlg.ShowDialog();
break;
}
}
}
public StoreStatisticsViewModel(Store store) : base(store)
{
UpdateStatsCommand = new RelayCommand<RoutedEventArgs>(UpdateStats);
Refresh();
}
// Not currently supported for the b-plus tree store
/*
public object AnalyzeStore(Store s)
{
var analyzerViewModel = new StoreAnalyzerViewModel(s);
var analyzerView = new StoreAnalyzerView {DataContext = analyzerViewModel};
var tabItemViewModel = new TabItemViewModel("Store Analysis", analyzerView);
TabItems.Add(tabItemViewModel);
Messenger.Default.Send(new SelectTabMessage(tabItemViewModel));
return null;
}
*/
public void StoreDelete(Store storeToDelete)
{
try
{
var msg = String.Format(Strings.DeleteStoreDialogContent, storeToDelete.Location);
Messenger.Default.Send(
new ShowDialogMessage(
Strings.DeleteStoreDialogTitle,
msg,
MessageBoxImage.Question, MessageBoxButton.YesNo,
result => ContinueStoreDelete(storeToDelete, result)),
"MainWindow"
);
}
catch (Exception ex)
{
HandleCommandException("Error deleting store.", ex);
}
}
public void NewHistoryView(Store s)
{
var viewModel = new StoreHistoryViewModel(s, Configuration.Prefixes);
var historyView = new StoreHistoryView {DataContext = viewModel};
var tabItemViewModel = new TabItemViewModel(String.Format(Strings.HistoryTabDefaultTitle, s.Location),
historyView);
tabItemViewModel.Toolbars.Add("SparqlQueryToolbar");
tabItemViewModel.Toolbars.Add("HistoryToolbar");
TabItems.Add(tabItemViewModel);
Messenger.Default.Send(new SelectTabMessage(tabItemViewModel));
}
public object NewExportJob(Store s)
{
var viewModel = new ExportViewModel(s);
var exportView = new ExportView { DataContext = viewModel };
var tabItemModel = new TabItemViewModel(String.Format(Strings.ExportTabDefaultTitle, s.Location), exportView);
TabItems.Add(tabItemModel);
Messenger.Default.Send(new SelectTabMessage(tabItemModel));
return null;
}
public void ExecuteUpdate(Store store, string sparqlUpdateString)
{
try
{
var client = BrightstarService.GetClient(_connectionString);
var jobInfo = client.ExecuteUpdate(store.Location, sparqlUpdateString);
if (!jobInfo.JobCompletedOk)
{
if (jobInfo.ExceptionInfo != null)
{
ExtractSyntaxError(jobInfo.ExceptionInfo);
throw new SparqlUpdateException(jobInfo.ExceptionInfo);
}
throw new SparqlUpdateException(jobInfo.StatusMessage);
}
}
catch (Exception ex)
{
throw new SparqlUpdateException(ex);
}
}
public XDocument ExecuteQuery(Store store, string sparqlQueryString, CommitPointViewModel targetCommitPoint)
{
var client = BrightstarService.GetClient(_connectionString);
try
{
if (targetCommitPoint == null)
{
using (var resultsStream = client.ExecuteQuery(store.Location, sparqlQueryString))
{
XDocument result = XDocument.Load(resultsStream);
return result;
}
}
else
{
var commitPoint = client.GetCommitPoint(store.Location, targetCommitPoint.CommitTime);
if (commitPoint == null)
{
throw new Exception("Could not retrieve specified commit point from store.");
}
using(var resultsStream = client.ExecuteQuery(commitPoint, sparqlQueryString))
{
XDocument result = XDocument.Load(resultsStream);
return result;
}
}
}
catch (BrightstarClientException brightstarClientException)
{
ExtractSyntaxError(brightstarClientException.InnerException);
throw new SparqlQueryException(brightstarClientException);
}
catch (Exception ex)
{
throw new SparqlQueryException(ex);
}
}
public void CreateStore(Store store)
{
var client = BrightstarService.GetClient(_connectionString);
client.CreateStore(store.Location);
Stores.Add(store);
}
public static long MaxRecommendedImportSize = 50*1024*1024; // 50MB
public ImportViewModel(Store store) : base(store)
{
LocalImportCheckedCommand = new RelayCommand(HandleLocalImportChecked);
RemoteImportCheckedCommand = new RelayCommand(HandleRemoteImportChecked);
StartClickCommand = new RelayCommand<RoutedEventArgs>(HandleStartClick);
}
public TransactionViewModel(Store store, IEnumerable<PrefixConfiguration> prefixes) : base(store)
{
ValidationMessages = new ObservableCollection<string>();
ExecuteCommand = new RelayCommand<RoutedEventArgs>(Execute);
_prefixes = prefixes;
}
public void RevertToCommitPoint(Store store, CommitPointViewModel targetCommitPoint)
{
if (targetCommitPoint == null) return;
var client = BrightstarService.GetClient(ConnectionString);
var commitPoint = client.GetCommitPoint(store.Location, targetCommitPoint.CommitTime);
if (commitPoint == null)
{
throw new ApplicationException(String.Format("Could not find commit point for {0} (ID: {1})", targetCommitPoint.CommitTime, targetCommitPoint.Id));
}
client.RevertToCommitPoint(store.Location, commitPoint);
}
public IEnumerable<CommitPointViewModel> GetCommitPoints(Store store, DateTime latest, DateTime earliest, int skip, int take)
{
var client = BrightstarService.GetClient(ConnectionString);
return
client.GetCommitPoints(store.Location, latest, earliest, skip, take).Select(
x => new CommitPointViewModel(x));
}
public object NewSparqlUpdate(Store s)
{
var viewModel = new SparqlUpdateViewModel(s, Configuration.Prefixes);
var sparqlUpdateView = new SparqlUpdateView {DataContext = viewModel};
var tabItemModel = new TabItemViewModel("SPARQL Update", sparqlUpdateView);
tabItemModel.Toolbars.Add("StoreSelectorToolbar");
tabItemModel.Toolbars.Add("SparqlUpdateToolbar");
TabItems.Add(tabItemModel);
Messenger.Default.Send(new SelectTabMessage(tabItemModel));
return null;
}
public StatisticsViewModel GetStatistics(Store store)
{
var client = BrightstarService.GetClient(ConnectionString);
var stats = client.GetStatistics(store.Location);
return stats == null ? null : new StatisticsViewModel(stats);
}
public object NewTransaction(Store s)
{
var viewModel = new TransactionViewModel(s, Configuration.Prefixes);
var transactionView = new TransactionView{DataContext = viewModel};
var tabItemViewModel = new TabItemViewModel(Strings.TransactionTabDefaultTitle, transactionView);
tabItemViewModel.Toolbars.Add("StoreSelectorToolbar");
tabItemViewModel.Toolbars.Add("TransactionToolbar");
TabItems.Add(tabItemViewModel);
Messenger.Default.Send(new SelectTabMessage(tabItemViewModel));
return null;
}
protected StoreOperationViewModel(Store store)
{
Server = store.Source;
Store = store;
}
public void NewStatisticsView(Store s)
{
var viewModel = new StoreStatisticsViewModel(s);
var statisticsView = new StoreStatisticsView {DataContext = viewModel};
var tabItemViewModel = new TabItemViewModel(String.Format(Strings.StatisticsTabDefaultTitle, s.Location),
statisticsView);
TabItems.Add(tabItemViewModel);
Messenger.Default.Send(new SelectTabMessage(tabItemViewModel));
}
public StoreAnalyzerViewModel(Store localStore)
{
_store = localStore;
Reports = new ObservableCollection<AnalysisViewModel>();
}
private void ContinueStoreDelete(Store storeToDelete, MessageBoxResult result)
{
try
{
if (result == MessageBoxResult.Yes)
{
storeToDelete.Source.DeleteStore(storeToDelete.Location);
}
}
catch (Exception ex)
{
HandleCommandException("Error deleting store.", ex);
}
}
public ExportViewModel(Store store)
: base(store)
{
StartClickCommand = new RelayCommand<RoutedEventArgs>(HandleStartClick);
ExportFileName = String.Format(store.Location + "_" + DateTime.Now.ToString("yyyyMMdd_HHmmss") + ".nt");
}
