public void BeginSession()
{
InitializeMetadataStore();
_store = MySimpleDataStore.ReadStoreFromFile(_folderPath, _name);
//Make sure the metadata store is updated to reflect the state of the data before each sync operation.
_metadataStore.BeginTransaction();
UpdateMetadataStoreWithLocalChanges();
_metadataStore.CommitTransaction();
}
/// <summary>
/// Reading a MySimpleDataStore from file
/// </summary>
public static MySimpleDataStore ReadStoreFromFile(string folderPath, string storeName)
{
string fileName = folderPath + "\\" + storeName.ToString() + ".Store";
MySimpleDataStore mySimpleDataStore;
BinaryFormatter bf = new BinaryFormatter();
if (File.Exists(fileName))
{
using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.None))
{
mySimpleDataStore = bf.Deserialize(fs) as MySimpleDataStore;
}
}
else
{
mySimpleDataStore = new MySimpleDataStore();
}
return(mySimpleDataStore);
}
static void DoBidirectionalSync(string nameA, string nameB)
{
SyncOperationStatistics stats;
KnowledgeSyncProvider providerNameA = GetProviderForSynchronization(nameA);
KnowledgeSyncProvider providerNameB = GetProviderForSynchronization(nameB);
// Set the provider's conflict resolution policy since we are doing remote sync, we don't
// want to see callbacks.
providerNameA.Configuration.ConflictResolutionPolicy = ConflictResolutionPolicy.DestinationWins;
providerNameB.Configuration.ConflictResolutionPolicy = ConflictResolutionPolicy.DestinationWins;
//Sync providers
Console.WriteLine("Sync {0} and {1}...", nameA, nameB);
SyncOrchestrator agent = new SyncOrchestrator();
agent.Direction = SyncDirectionOrder.DownloadAndUpload;
agent.LocalProvider = providerNameA;
agent.RemoteProvider = providerNameB;
stats = agent.Synchronize();
// Display the SyncOperationStatistics
Console.WriteLine("Download Applied:\t {0}", stats.DownloadChangesApplied);
Console.WriteLine("Download Failed:\t {0}", stats.DownloadChangesFailed);
Console.WriteLine("Download Total:\t\t {0}", stats.DownloadChangesTotal);
Console.WriteLine("Upload Total:\t\t {0}", stats.UploadChangesApplied);
Console.WriteLine("Upload Total:\t\t {0}", stats.UploadChangesFailed);
Console.WriteLine("Upload Total:\t\t {0}", stats.UploadChangesTotal);
//Show the results of sync
MySyncProvider mySyncproviderNameA = new MySyncProvider(folderPathForDataAndMetadata, nameA);
MySyncProvider mySyncproviderNameB = new MySyncProvider(folderPathForDataAndMetadata, nameB);
MySimpleDataStore storeA = MySimpleDataStore.ReadStoreFromFile(folderPathForDataAndMetadata, nameA);
MySimpleDataStore storeB = MySimpleDataStore.ReadStoreFromFile(folderPathForDataAndMetadata, nameB);
Console.WriteLine(mySyncproviderNameA.ToString());
Console.WriteLine(storeA.ToString());
Console.WriteLine(mySyncproviderNameB.ToString());
Console.WriteLine(storeB.ToString());
}
/// <summary>
/// This is an extension of the Sync101 sample showing how to write a provider which implements
/// the RCA ("remote change application") pattern. Implementing the RCA pattern allows us
/// to synchronize with providers on remote machines. In this sample we use WCF as our transport
/// layer.
///
/// Please note that this sample is most useful with breakpoints in MyTestProgram.cs to find out HOW synchronization using the
/// Microsoft Sync Framework works. This sample is not designed to be a boot-strapper like the NTFS providers for native and managed...
/// </summary>
/// <param name="args"></param>
public static void Main(string[] args)
{
const string DATA = "data";
//start clean
CleanUpProvider(providerNameA);
CleanUpProvider(providerNameB);
CleanUpProvider(providerNameC);
//Initialize the stores
// We create all the stores on the same machine in this sample app. However we will
// sync with B and C using the remote change application pattern over WCF as if they
// were on a remote machine.
// For a real deployment, B and C would be created on remote machines.
MySimpleDataStore storeA = new MySimpleDataStore();
MySimpleDataStore storeB = new MySimpleDataStore();
MySimpleDataStore storeC = new MySimpleDataStore();
//Create items on each store using a global ID and the data of the item (Note, in order to verify results against
//a baseline we are using hardcoded global ids for the items. In a real application CreateItem should be called without
//the Guid parameter, which would generate a new Guid id and return it.
Guid[] itemIds = new Guid[7];
itemIds[1] = new Guid("11111111-1111-1111-1111-111111111111");
itemIds[2] = new Guid("22222222-2222-2222-2222-222222222222");
itemIds[3] = new Guid("33333333-3333-3333-3333-333333333333");
itemIds[4] = new Guid("44444444-4444-4444-4444-444444444444");
itemIds[5] = new Guid("55555555-5555-5555-5555-555555555555");
itemIds[6] = new Guid("66666666-6666-6666-6666-666666666666");
storeA.CreateItem(new ItemData(DATA, "1"), itemIds[1]);
storeA.CreateItem(new ItemData(DATA, "2"), itemIds[2]);
storeB.CreateItem(new ItemData(DATA, "3"), itemIds[3]);
storeB.CreateItem(new ItemData(DATA, "4"), itemIds[4]);
storeC.CreateItem(new ItemData(DATA, "5"), itemIds[5]);
storeC.CreateItem(new ItemData(DATA, "6"), itemIds[6]);
// Save the stores to disk (this is a demo app, in a real deployment,
// stores B and C would be on different machines and would not be
// accessed directly by the local app).
storeA.WriteStoreToFile(folderPathForDataAndMetadata, providerNameA);
storeB.WriteStoreToFile(folderPathForDataAndMetadata, providerNameB);
storeC.WriteStoreToFile(folderPathForDataAndMetadata, providerNameC);
//Show the contents of the stores, prior to ANY any synchronization...
Console.WriteLine("Show the contents of the stores, prior to any synchronization...");
Console.WriteLine(new MySyncProvider(folderPathForDataAndMetadata, providerNameA).ToString());
Console.WriteLine(storeA.ToString());
Console.WriteLine(new MySyncProvider(folderPathForDataAndMetadata, providerNameB).ToString());
Console.WriteLine(storeB.ToString());
Console.WriteLine(new MySyncProvider(folderPathForDataAndMetadata, providerNameC).ToString());
Console.WriteLine(storeC.ToString());
//Sync providers A and provider B
DoBidirectionalSync(providerNameA, providerNameB);
//Create an update-update conflict on item 1 ...
Console.WriteLine("A and B are going to create a conflict on item 1. A writes \"UpdateA\" and B writes \"UpdateB\"");
Console.WriteLine("We do Download first then Upload.");
Console.WriteLine("Since the policy is DestinationWins, we expect UpdateA to win during the Download and the resolution to be uploaded back to B.");
storeA = MySimpleDataStore.ReadStoreFromFile(folderPathForDataAndMetadata, providerNameA);
storeB = MySimpleDataStore.ReadStoreFromFile(folderPathForDataAndMetadata, providerNameB);
storeA.UpdateItem(itemIds[1], new ItemData(DATA, "UpdateA"));
storeB.UpdateItem(itemIds[1], new ItemData(DATA, "UpdateB"));
storeA.WriteStoreToFile(folderPathForDataAndMetadata, providerNameA);
storeB.WriteStoreToFile(folderPathForDataAndMetadata, providerNameB);
//Sync providers A and provider B
//We do Download first then Upload. Since the policy is DestinationWins,
//we expect UpdateA to win during the Download and be uploaded back to B.
DoBidirectionalSync(providerNameA, providerNameB);
//Delete an item on B and show that the delete propagates
Console.WriteLine("Deleting item '4' on B");
storeB = MySimpleDataStore.ReadStoreFromFile(folderPathForDataAndMetadata, providerNameB);
storeB.DeleteItem(itemIds[4]);
storeB.WriteStoreToFile(folderPathForDataAndMetadata, providerNameB);
//Sync B and C
DoBidirectionalSync(providerNameB, providerNameC);
//Close the sync loop by syncing A and C
Console.WriteLine("Closing the \"sync loop\" by syncing A and C...");
DoBidirectionalSync(providerNameA, providerNameC);
//Delete item 2 on B
Console.WriteLine("\nDeleting item '2' on B.");
storeB = MySimpleDataStore.ReadStoreFromFile(folderPathForDataAndMetadata, providerNameB);
storeB.DeleteItem(itemIds[2]);
storeB.WriteStoreToFile(folderPathForDataAndMetadata, providerNameB);
//Cleanup Tombstones on B
Console.WriteLine("\nClean up Tombstones on B.");
new RemoteProviderProxy(
folderPathForDataAndMetadata,
providerNameB,
endpointConfigurationName).CleanupTombstones(TimeSpan.Zero);
// Sync B and C
DoBidirectionalSync(providerNameB, providerNameC);
//Close the sync loop by syncing A and C
DoBidirectionalSync(providerNameA, providerNameC);
List <string> arguments = new List <string>(args);
if (arguments.Contains("-q") != true)
{
Console.WriteLine("Sync has finished...");
Console.ReadLine();
}
}