Exemple #1
0
 public bool LookupProteinMetadata(ref IProgressStatus progressStatus)
 {
     using (var proteomeDb = ProteomeDb.OpenProteomeDb(_pathProteome, _isTemporary))
     {
         _progressStatus = progressStatus.ChangeMessage(
             string.Format(Resources.BackgroundProteomeManager_LoadBackground_Resolving_protein_details_for__0__proteome, _nameProteome));
         bool result = false;
         // Well formatted Uniprot headers don't require web access, so do an inital pass in hopes of finding those, then a second pass that requires web access
         for (var useWeb = 0; useWeb <= 1; useWeb++)
         {
             if (_progressStatus.IsCanceled)
             {
                 break;
             }
             if (useWeb == 1 && !_manager.FastaImporter.HasWebAccess()) // Do we even have web access?
             {
                 _progressStatus =
                     _progressStatus.ChangeMessage(Resources.DigestHelper_LookupProteinMetadata_Unable_to_access_internet_to_resolve_protein_details_)
                     .ChangeWarningMessage(Resources.DigestHelper_LookupProteinMetadata_Unable_to_access_internet_to_resolve_protein_details_).Cancel();
                 result = false;
             }
             else
             {
                 bool done;
                 result |= proteomeDb.LookupProteinMetadata(this, ref _progressStatus, _manager.FastaImporter, useWeb == 0, out done); // first pass, just parse descriptions, second pass use web.
                 if (done)
                 {
                     break;
                 }
             }
         }
         progressStatus = _progressStatus;
         return(result);
     }
 }
Exemple #2
0
        private void RefreshStatus()
        {
            if (File.Exists(textPath.Text))
            {
                btnAddFastaFile.Enabled = true;
                ProteomeDb proteomeDb   = null;
                int        proteinCount = 0;
                try
                {
                    using (var longWaitDlg = new LongWaitDlg
                    {
                        Text = Resources.BuildBackgroundProteomeDlg_RefreshStatus_Loading_Proteome_File,
                        Message =
                            string.Format(
                                Resources.BuildBackgroundProteomeDlg_RefreshStatus_Loading_protein_information_from__0__,
                                textPath.Text)
                    })
                    {
                        longWaitDlg.PerformWork(this, 1000, () =>
                        {
                            proteomeDb = ProteomeDb.OpenProteomeDb(textPath.Text);
                            if (proteomeDb != null)
                            {
                                proteinCount = proteomeDb.GetProteinCount(); // This can be a lengthy operation on a large protdb, do it within the longwait
                            }
                        });
                    }
                    if (proteomeDb == null)
                    {
                        throw new Exception();
                    }

                    tbxStatus.Text =
                        string.Format(
                            Resources.BuildBackgroundProteomeDlg_RefreshStatus_The_proteome_file_contains__0__proteins,
                            proteinCount);
                }
                catch (Exception)
                {
                    tbxStatus.Text          = Resources.BuildBackgroundProteomeDlg_OkDialog_The_proteome_file_is_not_valid;
                    btnAddFastaFile.Enabled = false;
                }
                finally
                {
                    if (null != proteomeDb)
                    {
                        proteomeDb.Dispose();
                    }
                }
                textPath.ForeColor = Color.Black;
            }
            else
            {
                btnAddFastaFile.Enabled = false;
                tbxStatus.Text          = Resources.BuildBackgroundProteomeDlg_RefreshStatus_Click_the_Open_button_to_choose_an_existing_proteome_file_or_click_the_Create_button_to_create_a_new_proteome_file;
                textPath.ForeColor      = string.IsNullOrEmpty(textPath.Text) ? Color.Black : Color.Red;
            }
        }
Exemple #3
0
        private void RefreshStatus()
        {
            if (File.Exists(textPath.Text))
            {
                btnAddFastaFile.Enabled = true;
                ProteomeDb proteomeDb = null;
                try
                {
                    using (var longWaitDlg = new LongWaitDlg
                    {
                        Text = Resources.BuildBackgroundProteomeDlg_RefreshStatus_Loading_Proteome_File,
                        Message =
                            string.Format(
                                Resources.BuildBackgroundProteomeDlg_RefreshStatus_Loading_protein_information_from__0__,
                                textPath.Text)
                    })
                    {
                        longWaitDlg.PerformWork(this, 1000, () => proteomeDb = ProteomeDb.OpenProteomeDb(textPath.Text));
                    }
                    if (proteomeDb == null)
                    {
                        throw new Exception();
                    }

                    int proteinCount = proteomeDb.GetProteinCount();
                    var digestions   = proteomeDb.ListDigestions();
                    tbxStatus.Text =
                        string.Format(
                            Resources.BuildBackgroundProteomeDlg_RefreshStatus_The_proteome_file_contains__0__proteins,
                            proteinCount);
                    if (proteinCount != 0 && digestions.Count > 0)
                    {
                        tbxStatus.Text = TextUtil.LineSeparate(tbxStatus.Text,
                                                               Resources.BuildBackgroundProteomeDlg_RefreshStatus_The_proteome_has_already_been_digested);
                    }
                }
                catch (Exception)
                {
                    tbxStatus.Text          = Resources.BuildBackgroundProteomeDlg_OkDialog_The_proteome_file_is_not_valid;
                    btnAddFastaFile.Enabled = false;
                }
                finally
                {
                    if (null != proteomeDb)
                    {
                        proteomeDb.Dispose();
                    }
                }
            }
            else
            {
                btnAddFastaFile.Enabled = false;
                tbxStatus.Text          = Resources.BuildBackgroundProteomeDlg_RefreshStatus_Click_the_Open_button_to_choose_an_existing_proteome_file_or_click_the_Create_button_to_create_a_new_proteome_file;
            }
        }
Exemple #4
0
        public void OkDialog()
        {
            if (!_messageBoxHelper.ValidateNameTextBox(textName, out _name))
            {
                return;
            }
            if (_backgroundProteomeSpec == null || _name != _backgroundProteomeSpec.Name)
            {
                foreach (BackgroundProteomeSpec backgroundProteomeSpec in _existing)
                {
                    if (_name == backgroundProteomeSpec.Name)
                    {
                        _messageBoxHelper.ShowTextBoxError(textName, Resources.BuildBackgroundProteomeDlg_OkDialog_The_background_proteome__0__already_exists, _name);
                        return;
                    }
                }
            }
            if (string.IsNullOrEmpty(textPath.Text))
            {
                _messageBoxHelper.ShowTextBoxError(textPath, Resources.BuildBackgroundProteomeDlg_OkDialog_You_must_specify_a_proteome_file);
                return;
            }
            try
            {
                if (textPath.Text != Path.GetFullPath(textPath.Text))
                {
                    _messageBoxHelper.ShowTextBoxError(textPath, Resources.BuildBackgroundProteomeDlg_OkDialog_Please_specify_a_full_path_to_the_proteome_file);
                    return;
                }
                else if (!File.Exists(textPath.Text))
                {
                    _messageBoxHelper.ShowTextBoxError(textPath,
                                                       string.Format(Resources.BuildBackgroundProteomeDlg_OkDialog_The_proteome_file__0__does_not_exist, textPath.Text));
                    return;
                }

                ProteomeDb.OpenProteomeDb(textPath.Text);
            }
            catch (Exception x)
            {
                // In case exception is thrown opening protdb
                string message = TextUtil.LineSeparate(Resources.BuildBackgroundProteomeDlg_OkDialog_The_proteome_file_is_not_valid,
                                                       Resources.BuildBackgroundProteomeDlg_OkDialog_Choose_a_valid_proteome_file__or_click_the__Create__button_to_create_a_new_one_from_FASTA_files);
                MessageDlg.ShowWithException(this, message, x);
                return;
            }

            _databasePath           = textPath.Text;
            _name                   = textName.Text;
            _backgroundProteomeSpec = new BackgroundProteomeSpec(_name, _databasePath);
            DialogResult            = DialogResult.OK;
            Close();
        }
Exemple #5
0
        public void AddFastaFile(string fastaFilePath)
        {
            String databasePath = textPath.Text;

            Settings.Default.FastaDirectory = Path.GetDirectoryName(fastaFilePath);
            int duplicateSequenceCount = 0;

            using (var longWaitDlg = new LongWaitDlg {
                ProgressValue = 0
            })
            {
                try
                {
                    longWaitDlg.PerformWork(this, 0, progressMonitor =>
                    {
                        ProteomeDb proteomeDb = File.Exists(databasePath)
                            ? ProteomeDb.OpenProteomeDb(databasePath)
                            : ProteomeDb.CreateProteomeDb(databasePath);
                        using (proteomeDb)
                        {
                            using (var reader = File.OpenText(fastaFilePath))
                            {
                                IProgressStatus status = new ProgressStatus(longWaitDlg.Message);
                                proteomeDb.AddFastaFile(reader, progressMonitor, ref status, false, out duplicateSequenceCount);
                            }
                        }
                    });
                }
                catch (Exception x)
                {
                    var message = TextUtil.LineSeparate(string.Format(Resources.BuildBackgroundProteomeDlg_AddFastaFile_An_error_occurred_attempting_to_add_the_FASTA_file__0__,
                                                                      fastaFilePath), x.Message);
                    MessageDlg.ShowWithException(this, message, x);
                    return;
                }
            }

            string path = Path.GetFileName(fastaFilePath);

            if (path != null)
            {
                listboxFasta.Items.Add(path);
            }
            RefreshStatus();

            if (duplicateSequenceCount > 0)
            {
                MessageDlg.Show(this, string.Format(Resources.BuildBackgroundProteomeDlg_AddFastaFile_The_added_file_included__0__repeated_protein_sequences__Their_names_were_added_as_aliases_to_ensure_the_protein_list_contains_only_one_copy_of_each_sequence_, duplicateSequenceCount));
            }
        }
            public bool Digest(ref IProgressStatus progressStatus, bool delayDbIndexing)
            {
                using (var proteomeDb = ProteomeDb.OpenProteomeDb(_pathProteome, _isTemporary))
                {
                    var enzyme = _settings.Enzyme;

                    _progressStatus = progressStatus.ChangeMessage(
                        string.Format(Resources.DigestHelper_Digest_Digesting__0__proteome_with__1__, _nameProteome, enzyme.Name));
                    var digestion = proteomeDb.Digest(new ProteaseImpl(enzyme), ProteomeDb.PROTDB_MAX_MISSED_CLEAVAGES, this, ref _progressStatus, delayDbIndexing);
                    progressStatus = _progressStatus;

                    return(digestion != null);
                }
            }
// ReSharper disable RedundantAssignment
            public Digestion Digest(ref ProgressStatus progressStatus)
// ReSharper restore RedundantAssignment
            {
                using (var proteomeDb = ProteomeDb.OpenProteomeDb(_pathProteome, _isTemporary))
                {
                    var enzyme = _document.Settings.PeptideSettings.Enzyme;

                    _progressStatus = new ProgressStatus(
                        string.Format(Resources.DigestHelper_Digest_Digesting__0__proteome_with__1__, _nameProteome, enzyme.Name));
                    var digestion = proteomeDb.Digest(new ProteaseImpl(enzyme), Progress);
                    progressStatus = _progressStatus;

                    return(digestion);
                }
            }
 // ReSharper disable RedundantAssignment
 public bool LookupProteinMetadata(ref ProgressStatus progressStatus)
 // ReSharper restore RedundantAssignment
 {
     if (!_manager.FastaImporter.HasWebAccess()) // Do we even have web access?
     {
         return(false);                          // Return silently rather than flashing the progress bar
     }
     using (var proteomeDb = ProteomeDb.OpenProteomeDb(_pathProteome, _isTemporary))
     {
         _progressStatus = new ProgressStatus(
             string.Format(Resources.BackgroundProteomeManager_LoadBackground_Resolving_protein_details_for__0__proteome, _nameProteome));
         var result = proteomeDb.LookupProteinMetadata(Progress, _manager.FastaImporter, true); // true means be polite, don't try to resolve all in one go
         progressStatus = _progressStatus;
         return(result);
     }
 }
Exemple #9
0
        public void AddFastaFile(string fastaFilePath)
        {
            String databasePath = textPath.Text;

            Settings.Default.FastaDirectory = Path.GetDirectoryName(fastaFilePath);
            using (var longWaitDlg = new LongWaitDlg {
                ProgressValue = 0
            })
            {
                var progressMonitor = new ProgressMonitor(longWaitDlg);
                try
                {
                    longWaitDlg.PerformWork(this, 0, () =>
                    {
                        ProteomeDb proteomeDb = File.Exists(databasePath)
                            ? ProteomeDb.OpenProteomeDb(databasePath)
                            : ProteomeDb.CreateProteomeDb(databasePath);
                        using (proteomeDb)
                        {
                            using (var reader = File.OpenText(fastaFilePath))
                            {
                                proteomeDb.AddFastaFile(reader, progressMonitor.UpdateProgress);
                            }
                        }
                    });
                }
                catch (Exception x)
                {
                    var message = TextUtil.LineSeparate(string.Format(Resources.BuildBackgroundProteomeDlg_AddFastaFile_An_error_occurred_attempting_to_add_the_FASTA_file__0__,
                                                                      fastaFilePath), x.Message);
                    MessageDlg.ShowWithException(this, message, x);
                    return;
                }
            }

            string path = Path.GetFileName(fastaFilePath);

            if (path != null)
            {
                listboxFasta.Items.Add(path);
            }
            RefreshStatus();
        }
Exemple #10
0
 public void TestNewerProteomeDb()
 {
     using (var testFilesDir = new TestFilesDir(TestContext, ZIP_FILE))
     {
         string protDbPath = testFilesDir.GetTestPath("testv9999.protdb"); // a version 9999(!) protdb file
         try
         {
             using (var db = ProteomeDb.OpenProteomeDb(protDbPath))
             {
                 using (var session = db.OpenSession())
                     session.Close();
                 Assert.Fail("should not be able to open a version 9999 protdb file."); // Not L10N
             }
         }
         // ReSharper disable once EmptyGeneralCatchClause
         catch
         {
         }
     }
 }
Exemple #11
0
 public ProteomeDb OpenProteomeDb(CancellationToken cancellationToken)
 {
     return(ProteomeDb.OpenProteomeDb(FilePath, cancellationToken));
 }
Exemple #12
0
        public void DoTestOlderProteomeDb(TestContext testContext, bool doActualWebAccess)
        {
            using (var testFilesDir = new TestFilesDir(testContext, ZIP_FILE))
            {
                string fastaPath  = testFilesDir.GetTestPath("tiny.fasta");
                string protDbPath = testFilesDir.GetTestPath("celegans_mini.protdb"); // a version 0 protdb file
                string blibPath   = testFilesDir.GetTestPath("random.blib");          // a bibliospec file

                // What happens when you try to open a random file as a protdb file?
                AssertEx.ThrowsException <DbException>(() => ProteomeDb.OpenProteomeDb(fastaPath));

                // What happens when you try to open a non-protdb database file as a protdb file?
                AssertEx.ThrowsException <FileLoadException>(() => ProteomeDb.OpenProteomeDb(blibPath));

                using (ProteomeDb proteomeDb = ProteomeDb.OpenProteomeDb(protDbPath))
                {
                    Assert.IsTrue(proteomeDb.GetSchemaVersionMajor() == 0); // the initial db from our zipfile should be ancient
                    Assert.IsTrue(proteomeDb.GetSchemaVersionMinor() == 0); // the initial db from our zipfile should be ancient
                    Assert.AreEqual(9, proteomeDb.GetProteinCount());

                    var protein = proteomeDb.GetProteinByName("Y18D10A.20");
                    Assert.IsNotNull(protein);
                    Assert.IsTrue(String.IsNullOrEmpty(protein.Accession)); // old db won't have this populated

                    WebEnabledFastaImporter searcher = new WebEnabledFastaImporter(doActualWebAccess ? null :new WebEnabledFastaImporter.FakeWebSearchProvider());
                    bool            searchComplete;
                    IProgressStatus status = new ProgressStatus(string.Empty);
                    Assert.IsTrue(proteomeDb.LookupProteinMetadata(new SilentProgressMonitor(), ref status, searcher, false, out searchComplete)); // add any missing protein metadata
                    Assert.IsTrue(searchComplete);

                    protein = proteomeDb.GetProteinByName("Y18D10A.20");
                    Assert.IsNotNull(protein);
                    if (doActualWebAccess) // We can actually go to the web for metadata
                    {
                        Assert.AreEqual("Q9XW16", protein.Accession);
                    }

                    using (var reader = new StreamReader(fastaPath))
                    {
                        proteomeDb.AddFastaFile(reader, new SilentProgressMonitor(), ref status, false);
                    }
                    // the act of writing should update to the current version
                    Assert.AreEqual(ProteomeDb.SCHEMA_VERSION_MAJOR_CURRENT, proteomeDb.GetSchemaVersionMajor());
                    Assert.AreEqual(ProteomeDb.SCHEMA_VERSION_MINOR_CURRENT, proteomeDb.GetSchemaVersionMinor());
                    Assert.AreEqual(19, proteomeDb.GetProteinCount());

                    // check for propery processed protein metadata
                    Assert.IsTrue(proteomeDb.LookupProteinMetadata(new SilentProgressMonitor(), ref status, searcher, false, out searchComplete));
                    Assert.IsTrue(searchComplete);
                    protein = proteomeDb.GetProteinByName("IPI00000044");
                    Assert.IsNotNull(protein);
                    Assert.AreEqual("P01127", protein.Accession); // We get this offline with our ipi->uniprot mapper
                    if (doActualWebAccess)
                    {
                        Assert.AreEqual("PDGFB_HUMAN", protein.PreferredName); // But this we get only with web access
                    }

/*
 *                  // TODO(bspratt): fix  "GetDigestion has no notion of a Db that has been added to, doesn't digest the new proteins and returns immediately (issue #304)"
 *                  Enzyme trypsin = EnzymeList.GetDefault();
 *                  proteomeDb.Digest(trypsin,  new SilentProgressMonitor());
 *                  Digestion digestion = proteomeDb.GetDigestion(trypsin.Name);
 *                  var digestedProteins0 = digestion.GetProteinsWithSequencePrefix("EDGWVK", 100);
 *                  Assert.IsTrue(digestedProteins0.Count >= 1);
 * */
                }
            }
        }
Exemple #13
0
 public ProteomeDb OpenProteomeDb()
 {
     return(ProteomeDb.OpenProteomeDb(DatabasePath));
 }
Exemple #14
0
 /// <summary>
 /// Opens a proteome database (creates a session factory, etc.).  The ProteomeDb
 /// returned by this method must be Dispose'd.
 /// </summary>
 public ProteomeDb OpenProteomeDb()
 {
     return(ProteomeDb.OpenProteomeDb(FilePath));
 }
Exemple #15
0
        private BackgroundProteome Load(IDocumentContainer container, PeptideSettings settings, SrmDocument docCurrent, bool isBackgroundLoad)
        {
            // Only allow one background proteome to load at a time.  This can
            // get tricky, if the user performs an undo and then a redo across
            // a change in background proteome.
            // Our only priority is accessing web services to add missing protein metadata.
            // There may also be a load initiation by the Peptide Settings dialog as foreground task,
            // it takes priority over the background task.

            lock (_lockLoadBackgroundProteome)
            {
                BackgroundProteome originalBackgroundProteome = settings.BackgroundProteome;
                BackgroundProteome validatedBackgroundProtome = originalBackgroundProteome.DatabaseValidated
                    ? originalBackgroundProteome
                    : new BackgroundProteome(originalBackgroundProteome.BackgroundProteomeSpec);
                if (IsNotLoadedExplained(settings, validatedBackgroundProtome, true) == null)
                {
                    // protein metadata is resolved
                    CompleteProcessing(container, validatedBackgroundProtome);
                    Helpers.AssignIfEquals(ref validatedBackgroundProtome, originalBackgroundProteome);
                    return(validatedBackgroundProtome); // No change needed
                }
                // we are here to resolve the protein metadata
                string          name           = originalBackgroundProteome.Name;
                IProgressStatus progressStatus =
                    new ProgressStatus(string.Format(Resources.BackgroundProteomeManager_LoadBackground_Resolving_protein_details_for__0__proteome, name));
                try
                {
                    // The transaction commit for writing the digestion info can be very lengthy, avoid lock timeouts
                    // by doing that work in a tempfile that no other thread knows aboout
                    using (FileSaver fs = new FileSaver(originalBackgroundProteome.DatabasePath, StreamManager))
                    {
                        File.Copy(originalBackgroundProteome.DatabasePath, fs.SafeName, true);
                        var digestHelper = new DigestHelper(this, container, docCurrent, name, fs.SafeName, true);

                        bool success = digestHelper.LookupProteinMetadata(ref progressStatus);
                        if (digestHelper.IsCanceled || !success)
                        {
                            // Processing was canceled
                            if (docCurrent != null)
                            {
                                EndProcessing(docCurrent);
                            }
                            UpdateProgress(progressStatus.Cancel());
                            return(null);
                        }
                        using (var proteomeDb = ProteomeDb.OpenProteomeDb(originalBackgroundProteome.DatabasePath))
                        {
                            proteomeDb.DatabaseLock.AcquireWriterLock(int.MaxValue); // Wait for any existing readers to complete, prevent any new ones
                            try
                            {
                                if (File.GetLastWriteTime(fs.RealName) <= File.GetLastWriteTime(fs.SafeName)) // Don't overwrite if foreground task has already updated
                                {
                                    proteomeDb.CloseDbConnection();                                           // Get rid of any file handles
                                    if (!fs.Commit())
                                    {
                                        if (docCurrent != null)
                                        {
                                            EndProcessing(docCurrent);
                                        }
                                        throw new IOException(string.Format(Resources.BackgroundProteomeManager_LoadBackground_Unable_to_rename_temporary_file_to__0__,
                                                                            fs.RealName));
                                    }
                                }
                            }
                            finally
                            {
                                proteomeDb.DatabaseLock.ReleaseWriterLock();
                            }
                        }

                        var updatedProteome = new BackgroundProteome(originalBackgroundProteome);
                        using (var proteomeDb = originalBackgroundProteome.OpenProteomeDb())
                        {
                            proteomeDb.AnalyzeDb(); // Now it's safe to start this potentially lengthy indexing operation
                        }
                        CompleteProcessing(container, updatedProteome);
                        UpdateProgress(progressStatus.Complete());
                        return(updatedProteome);
                    }
                }
                catch (Exception x)
                {
                    var message = new StringBuilder();
                    message.AppendLine(
                        string.Format(Resources.BackgroundProteomeManager_LoadBackground_Failed_updating_background_proteome__0__,
                                      name));
                    message.Append(x.Message);
                    UpdateProgress(progressStatus.ChangeErrorException(new IOException(message.ToString(), x)));
                    return(null);
                }
            }
        }
        protected override bool LoadBackground(IDocumentContainer container, SrmDocument document, SrmDocument docCurrent)
        {
            // Only allow one background proteome to load at a time.  This can
            // get tricky, if the user performs an undo and then a redo across
            // a change in background proteome.
            // Our first priority is doing the digestions, the second is accessing web
            // services to add missing protein metadata.
            lock (_lockLoadBackgroundProteome)
            {
                BackgroundProteome originalBackgroundProteome = GetBackgroundProteome(docCurrent);
                // Check to see whether the Digestion already exists but has not been queried yet.
                BackgroundProteome backgroundProteomeWithDigestions = new BackgroundProteome(originalBackgroundProteome, true);
                if (IsNotLoadedExplained(docCurrent, backgroundProteomeWithDigestions, true) == null)
                {
                    // digest is ready, and protein metdata is resolved
                    CompleteProcessing(container, backgroundProteomeWithDigestions);
                    return(true);
                }
                // are we here to do the digest, or to resolve the protein metadata?
                bool getMetadata = (IsNotLoadedExplained(docCurrent, backgroundProteomeWithDigestions, false) == null) &&
                                   backgroundProteomeWithDigestions.NeedsProteinMetadataSearch;

                string         name           = originalBackgroundProteome.Name;
                ProgressStatus progressStatus =
                    new ProgressStatus(string.Format(getMetadata?Resources.BackgroundProteomeManager_LoadBackground_Resolving_protein_details_for__0__proteome:Resources.BackgroundProteomeManager_LoadBackground_Digesting__0__proteome, name));
                try
                {
                    using (FileSaver fs = new FileSaver(originalBackgroundProteome.DatabasePath, StreamManager))
                    {
                        File.Copy(originalBackgroundProteome.DatabasePath, fs.SafeName, true);
                        var  digestHelper = new DigestHelper(this, container, docCurrent, name, fs.SafeName, true);
                        bool success;
                        if (getMetadata)
                        {
                            success = digestHelper.LookupProteinMetadata(ref progressStatus);
                        }
                        else
                        {
                            success = (digestHelper.Digest(ref progressStatus) != null);
                        }

                        if (!success)
                        {
                            // Processing was canceled
                            EndProcessing(docCurrent);
                            UpdateProgress(progressStatus.Cancel());
                            return(false);
                        }
                        using (var proteomeDb = ProteomeDb.OpenProteomeDb(originalBackgroundProteome.DatabasePath))
                        {
                            proteomeDb.DatabaseLock.AcquireWriterLock(int.MaxValue);
                            try
                            {
                                if (!fs.Commit())
                                {
                                    EndProcessing(docCurrent);
                                    throw new IOException(
                                              string.Format(
                                                  Resources
                                                  .BackgroundProteomeManager_LoadBackground_Unable_to_rename_temporary_file_to__0__,
                                                  fs.RealName));
                                }
                            }
                            finally
                            {
                                proteomeDb.DatabaseLock.ReleaseWriterLock();
                            }
                        }


                        CompleteProcessing(container, new BackgroundProteome(originalBackgroundProteome, true));
                        UpdateProgress(progressStatus.Complete());
                        return(true);
                    }
                }
                catch (Exception x)
                {
                    var message = new StringBuilder();
                    message.AppendLine(
                        string.Format(Resources.BackgroundProteomeManager_LoadBackground_Failed_updating_background_proteome__0__,
                                      name));
                    message.Append(x.Message);
                    UpdateProgress(progressStatus.ChangeErrorException(new IOException(message.ToString(), x)));
                    return(false);
                }
            }
        }