private static void OneWayReplicationExample()
{
DeleteDatabases();
StoreObjectsIn(DesktopDatabaseName);
//#example: Prepare unidirectional replication
IObjectContainer desktopDatabase = OpenDatabase(DesktopDatabaseName);
IObjectContainer mobileDatabase = OpenDatabase(MobileDatabaseName);
IReplicationProvider dektopReplicationProvider
= new Db4oEmbeddedReplicationProvider(desktopDatabase);
IReplicationProvider mobileReplicationProvider
= new Db4oEmbeddedReplicationProvider(mobileDatabase);
IReplicationSession replicationSession
= Replication.Begin(dektopReplicationProvider, mobileReplicationProvider);
// set the replication-direction from the desktop database to the mobile database.
replicationSession.SetDirection(replicationSession.ProviderA(), replicationSession.ProviderB());
//#end example
//#example: One direction replication
IObjectSet changes = replicationSession.ProviderA().ObjectsChangedSinceLastReplication();
foreach (object changedObject in changes)
{
replicationSession.Replicate(changedObject);
}
replicationSession.Commit();
//#end example
PrintCars(mobileDatabase);
CloseDBs(desktopDatabase, mobileDatabase);
}
private static void Replicate(IObjectContainer desktopDatabase, IObjectContainer mobileDatabase)
{
IReplicationProvider dektopReplicationProvider
= new Db4oEmbeddedReplicationProvider(desktopDatabase);
IReplicationProvider mobileReplicationProvider
= new Db4oEmbeddedReplicationProvider(mobileDatabase);
IReplicationSession replicationSession
= Replication.Begin(dektopReplicationProvider, mobileReplicationProvider);
ReplicateChanges(replicationSession, replicationSession.ProviderA());
ReplicateChanges(replicationSession, replicationSession.ProviderB());
replicationSession.Commit();
}
private static void ReplicateBidirectional(IReplicationSession replication)
{
IObjectSet changesOnDesktop = replication.ProviderA().ObjectsChangedSinceLastReplication();
IObjectSet changesOnMobile = replication.ProviderB().ObjectsChangedSinceLastReplication();
foreach (object changedObjectOnDesktop in changesOnDesktop)
{
replication.Replicate(changedObjectOnDesktop);
}
foreach (object changedObjectOnMobile in changesOnMobile)
{
replication.Replicate(changedObjectOnMobile);
}
}
private static void BiDirectionalReplicationExample()
{
DeleteDatabases();
StoreObjectsIn(DesktopDatabaseName);
StoreObjectsIn(MobileDatabaseName);
// #example: Prepare bidirectional replication
IObjectContainer desktopDatabase = OpenDatabase(DesktopDatabaseName);
IObjectContainer mobileDatabase = OpenDatabase(MobileDatabaseName);
IReplicationProvider dektopReplicationProvider
= new Db4oEmbeddedReplicationProvider(desktopDatabase);
IReplicationProvider mobileReplicationProvider
= new Db4oEmbeddedReplicationProvider(mobileDatabase);
IReplicationSession replicationSession
= Replication.Begin(dektopReplicationProvider, mobileReplicationProvider);
// #end example
//#example: Bidirectional replication
// First get the changes of the two replication-partners
IObjectSet changesOnDesktop = replicationSession.ProviderA().ObjectsChangedSinceLastReplication();
IObjectSet changesOnMobile = replicationSession.ProviderB().ObjectsChangedSinceLastReplication();
// then iterate over both change-sets and replicate it
foreach (object changedObjectOnDesktop in changesOnDesktop)
{
replicationSession.Replicate(changedObjectOnDesktop);
}
foreach (object changedObjectOnMobile in changesOnMobile)
{
replicationSession.Replicate(changedObjectOnMobile);
}
replicationSession.Commit();
//#end example
PrintCars(mobileDatabase);
PrintCars(desktopDatabase);
CloseDBs(desktopDatabase, mobileDatabase);
}
private static void ReplicateBidirectional(IReplicationSession replication)
{
IObjectSet changesOnDesktop = replication.ProviderA().ObjectsChangedSinceLastReplication();
IObjectSet changesOnMobile = replication.ProviderB().ObjectsChangedSinceLastReplication();
foreach (object changedObjectOnDesktop in changesOnDesktop)
{
replication.Replicate(changedObjectOnDesktop);
}
foreach (object changedObjectOnMobile in changesOnMobile)
{
replication.Replicate(changedObjectOnMobile);
}
}