// Called by the framework when an item needs to be deleted. public override void DeleteItem( ItemFieldDictionary keyAndExpectedVersion, RecoverableErrorReportingContext recoverableErrorReportingContext, out bool commitKnowledgeAfterThisItem ) { commitKnowledgeAfterThisItem = false; IDictionary <uint, ItemField> expectedFields = (IDictionary <uint, ItemField>)keyAndExpectedVersion; string name = (string)expectedFields[ItemFields.CUSTOM_FIELD_NAME].Value; ApplyingBlobEventArgs args = new ApplyingBlobEventArgs(ChangeType.Delete, name); EventHandler <ApplyingBlobEventArgs> applyingDelegate = ApplyingChange; applyingDelegate(this, args); DateTime expectedLastUpdate = DateTime.FromBinary((long)(ulong)expectedFields[ItemFields.CUSTOM_FIELD_TIMESTAMP].Value); try { DataStore.DeleteFile(name, expectedLastUpdate); } catch (ApplicationException e) { recoverableErrorReportingContext.RecordRecoverableErrorForChange(new RecoverableErrorData(e)); } }
// Called by the framework when an item (file) needs to be updated. public override void UpdateItem( object itemData, IEnumerable <SyncId> changeUnitsToUpdate, ItemFieldDictionary keyAndExpectedVersion, RecoverableErrorReportingContext recoverableErrorReportingContext, out ItemFieldDictionary keyAndUpdatedVersion, out bool commitKnowledgeAfterThisItem ) { keyAndUpdatedVersion = null; commitKnowledgeAfterThisItem = false; IFileDataRetriever dataRetriever = (IFileDataRetriever)itemData; IDictionary <uint, ItemField> expectedFields = (IDictionary <uint, ItemField>)keyAndExpectedVersion; DateTime expectedLastUpdate = DateTime.FromBinary((long)(ulong)expectedFields[ItemFields.CUSTOM_FIELD_TIMESTAMP].Value); string oldName = (string)expectedFields[ItemFields.CUSTOM_FIELD_NAME].Value; try { Stream dataStream = null; if (!dataRetriever.FileData.IsDirectory) { dataStream = dataRetriever.FileStream; } string newName = CreateNewName(dataRetriever.FileData); SyncedBlobAttributes attrs; if (IsMoveOrRename(oldName, newName)) { ApplyingBlobEventArgs args = new ApplyingBlobEventArgs(ChangeType.Rename, oldName, newName); EventHandler <ApplyingBlobEventArgs> applyingDelegate = ApplyingChange; applyingDelegate(this, args); // Handle moves and renames as a delete and create. DataStore.DeleteFile(oldName, expectedLastUpdate); attrs = DataStore.InsertFile(dataRetriever.FileData, dataRetriever.RelativeDirectoryPath, dataStream); } else { ApplyingBlobEventArgs args = new ApplyingBlobEventArgs(ChangeType.Update, dataRetriever.FileData.Name); EventHandler <ApplyingBlobEventArgs> applyingDelegate = ApplyingChange; applyingDelegate(this, args); attrs = DataStore.UpdateFile(oldName, dataRetriever.FileData, dataRetriever.RelativeDirectoryPath, dataStream, expectedLastUpdate); } // Record new data after update. keyAndUpdatedVersion = new ItemFieldDictionary(); keyAndUpdatedVersion.Add(new ItemField(ItemFields.CUSTOM_FIELD_NAME, typeof(string), attrs._name)); keyAndUpdatedVersion.Add(new ItemField(ItemFields.CUSTOM_FIELD_TIMESTAMP, typeof(ulong), (ulong)attrs._lastModifiedTime.ToBinary())); } catch (ApplicationException e) { recoverableErrorReportingContext.RecordRecoverableErrorForChange(new RecoverableErrorData(e)); } commitKnowledgeAfterThisItem = false; }
/* public static void DownloadingFile(object sender, ApplyingChangeEventArgs args) { switch (args.ChangeType) { case ChangeType.Create: Console.WriteLine("Creating File: {0}...", args.NewFileData.Name); break; case ChangeType.Delete: Console.WriteLine("Deleting File: {0}...", args.CurrentFileData.Name); break; case ChangeType.Rename: Console.WriteLine("Renaming File: {0} to {1}...", args.CurrentFileData.Name, args.NewFileData.Name); break; case ChangeType.Update: Console.WriteLine("Updating File: {0}...", args.NewFileData.Name); break; } } */ public static void UploadingFile(object sender, ApplyingBlobEventArgs args) { switch (args.ChangeType) { case ChangeType.Create: Console.WriteLine("Creating Azure Blob: {0}...", args.CurrentBlobName); break; case ChangeType.Delete: Console.WriteLine("Deleting Azure Blob: {0}...", args.CurrentBlobName); break; case ChangeType.Rename: Console.WriteLine("Renaming Azure Blob: {0} to {1}...", args.CurrentBlobName, args.NewBlobName); break; case ChangeType.Update: Console.WriteLine("Updating Azure Blob: {0}...", args.CurrentBlobName); break; } }
/* * public static void DownloadingFile(object sender, ApplyingChangeEventArgs args) * { * switch (args.ChangeType) * { * case ChangeType.Create: * Console.WriteLine("Creating File: {0}...", args.NewFileData.Name); * break; * case ChangeType.Delete: * Console.WriteLine("Deleting File: {0}...", args.CurrentFileData.Name); * break; * case ChangeType.Rename: * Console.WriteLine("Renaming File: {0} to {1}...", args.CurrentFileData.Name, args.NewFileData.Name); * break; * case ChangeType.Update: * Console.WriteLine("Updating File: {0}...", args.NewFileData.Name); * break; * } * } */ public static void UploadingFile(object sender, ApplyingBlobEventArgs args) { switch (args.ChangeType) { case ChangeType.Create: Console.WriteLine("Creating Azure Blob: {0}...", args.CurrentBlobName); break; case ChangeType.Delete: Console.WriteLine("Deleting Azure Blob: {0}...", args.CurrentBlobName); break; case ChangeType.Rename: Console.WriteLine("Renaming Azure Blob: {0} to {1}...", args.CurrentBlobName, args.NewBlobName); break; case ChangeType.Update: Console.WriteLine("Updating Azure Blob: {0}...", args.CurrentBlobName); break; } }
// Called by the framework when an item (file) needs to be added to the store. public override void InsertItem( object itemData, IEnumerable <SyncId> changeUnitsToCreate, RecoverableErrorReportingContext recoverableErrorReportingContext, out ItemFieldDictionary keyAndUpdatedVersion, out bool commitKnowledgeAfterThisItem ) { IFileDataRetriever dataRetriever = (IFileDataRetriever)itemData; string relativePath = dataRetriever.RelativeDirectoryPath; keyAndUpdatedVersion = null; commitKnowledgeAfterThisItem = false; ApplyingBlobEventArgs args = new ApplyingBlobEventArgs(ChangeType.Create, dataRetriever.FileData.Name); EventHandler <ApplyingBlobEventArgs> applyingDelegate = ApplyingChange; applyingDelegate(this, args); try { Stream dataStream = null; if (!dataRetriever.FileData.IsDirectory) { dataStream = dataRetriever.FileStream; } SyncedBlobAttributes attrs = DataStore.InsertFile(dataRetriever.FileData, dataRetriever.RelativeDirectoryPath, dataStream); keyAndUpdatedVersion = new ItemFieldDictionary(); keyAndUpdatedVersion.Add(new ItemField(ItemFields.CUSTOM_FIELD_NAME, typeof(string), attrs._name)); keyAndUpdatedVersion.Add(new ItemField(ItemFields.CUSTOM_FIELD_TIMESTAMP, typeof(ulong), (ulong)attrs._lastModifiedTime.ToBinary())); } catch (ApplicationException e) { recoverableErrorReportingContext.RecordRecoverableErrorForChange(new RecoverableErrorData(e)); } }
// Called by the framework when an item (file) needs to be updated. public override void UpdateItem( object itemData, IEnumerable<SyncId> changeUnitsToUpdate, ItemFieldDictionary keyAndExpectedVersion, RecoverableErrorReportingContext recoverableErrorReportingContext, out ItemFieldDictionary keyAndUpdatedVersion, out bool commitKnowledgeAfterThisItem ) { keyAndUpdatedVersion = null; commitKnowledgeAfterThisItem = false; IFileDataRetriever dataRetriever = (IFileDataRetriever)itemData; IDictionary<uint, ItemField> expectedFields = (IDictionary<uint, ItemField>)keyAndExpectedVersion; DateTime expectedLastUpdate = DateTime.FromBinary((long)(ulong)expectedFields[ItemFields.CUSTOM_FIELD_TIMESTAMP].Value); string oldName = (string)expectedFields[ItemFields.CUSTOM_FIELD_NAME].Value; try { Stream dataStream = null; if (!dataRetriever.FileData.IsDirectory) { dataStream = dataRetriever.FileStream; } string newName = CreateNewName(dataRetriever.FileData); SyncedBlobAttributes attrs; if (IsMoveOrRename(oldName, newName)) { ApplyingBlobEventArgs args = new ApplyingBlobEventArgs(ChangeType.Rename, oldName, newName); EventHandler<ApplyingBlobEventArgs> applyingDelegate = ApplyingChange; applyingDelegate(this, args); // Handle moves and renames as a delete and create. DataStore.DeleteFile(oldName, expectedLastUpdate); attrs = DataStore.InsertFile(dataRetriever.FileData, dataRetriever.RelativeDirectoryPath, dataStream); } else { ApplyingBlobEventArgs args = new ApplyingBlobEventArgs(ChangeType.Update, dataRetriever.FileData.Name); EventHandler<ApplyingBlobEventArgs> applyingDelegate = ApplyingChange; applyingDelegate(this, args); attrs = DataStore.UpdateFile(oldName, dataRetriever.FileData, dataRetriever.RelativeDirectoryPath, dataStream, expectedLastUpdate); } // Record new data after update. keyAndUpdatedVersion = new ItemFieldDictionary(); keyAndUpdatedVersion.Add(new ItemField(ItemFields.CUSTOM_FIELD_NAME, typeof(string), attrs._name)); keyAndUpdatedVersion.Add(new ItemField(ItemFields.CUSTOM_FIELD_TIMESTAMP, typeof(ulong), (ulong)attrs._lastModifiedTime.ToBinary())); } catch (ApplicationException e) { recoverableErrorReportingContext.RecordRecoverableErrorForChange(new RecoverableErrorData(e)); } commitKnowledgeAfterThisItem = false; }
// Called by the framework when an item (file) needs to be added to the store. public override void InsertItem( object itemData, IEnumerable<SyncId> changeUnitsToCreate, RecoverableErrorReportingContext recoverableErrorReportingContext, out ItemFieldDictionary keyAndUpdatedVersion, out bool commitKnowledgeAfterThisItem ) { IFileDataRetriever dataRetriever = (IFileDataRetriever)itemData; string relativePath = dataRetriever.RelativeDirectoryPath; keyAndUpdatedVersion = null; commitKnowledgeAfterThisItem = false; ApplyingBlobEventArgs args = new ApplyingBlobEventArgs(ChangeType.Create, dataRetriever.FileData.Name); EventHandler<ApplyingBlobEventArgs> applyingDelegate = ApplyingChange; applyingDelegate(this, args); try { Stream dataStream = null; if (!dataRetriever.FileData.IsDirectory) { dataStream = dataRetriever.FileStream; } SyncedBlobAttributes attrs = DataStore.InsertFile(dataRetriever.FileData, dataRetriever.RelativeDirectoryPath, dataStream); keyAndUpdatedVersion = new ItemFieldDictionary(); keyAndUpdatedVersion.Add(new ItemField(ItemFields.CUSTOM_FIELD_NAME, typeof(string), attrs._name)); keyAndUpdatedVersion.Add(new ItemField(ItemFields.CUSTOM_FIELD_TIMESTAMP, typeof(ulong), (ulong)attrs._lastModifiedTime.ToBinary())); } catch (ApplicationException e) { recoverableErrorReportingContext.RecordRecoverableErrorForChange(new RecoverableErrorData(e)); } }
// Called by the framework when an item needs to be deleted. public override void DeleteItem( ItemFieldDictionary keyAndExpectedVersion, RecoverableErrorReportingContext recoverableErrorReportingContext, out bool commitKnowledgeAfterThisItem ) { commitKnowledgeAfterThisItem = false; IDictionary<uint, ItemField> expectedFields = (IDictionary<uint, ItemField>)keyAndExpectedVersion; string name = (string)expectedFields[ItemFields.CUSTOM_FIELD_NAME].Value; ApplyingBlobEventArgs args = new ApplyingBlobEventArgs(ChangeType.Delete, name); EventHandler<ApplyingBlobEventArgs> applyingDelegate = ApplyingChange; applyingDelegate(this, args); DateTime expectedLastUpdate = DateTime.FromBinary((long)(ulong)expectedFields[ItemFields.CUSTOM_FIELD_TIMESTAMP].Value); try { DataStore.DeleteFile(name, expectedLastUpdate); } catch (ApplicationException e) { recoverableErrorReportingContext.RecordRecoverableErrorForChange(new RecoverableErrorData(e)); } }