// <summary>
// Creates a clone of the given <see cref="ObjectContext" />. The underlying <see cref="DbConnection" /> of
// the context is also cloned and the given connection string is used for the connection string of
// the cloned connection.
// </summary>
public ClonedObjectContext(
ObjectContextProxy objectContext,
DbConnection connection,
string connectionString,
bool transferLoadedAssemblies = true)
{
DebugCheck.NotNull(objectContext);
// connectionString may be null when connection has been created from DbContextInfo using just a provider
if (connection == null ||
connection.State != ConnectionState.Open)
{
connection =
DbProviderServices.GetProviderFactory(objectContext.Connection.StoreConnection).CreateConnection();
DbInterception.Dispatch.Connection.SetConnectionString(
connection,
new DbConnectionPropertyInterceptionContext <string>().WithValue(connectionString));
_connectionCloned = true;
}
_clonedEntityConnection = objectContext.Connection.CreateNew(connection);
_objectContext = objectContext.CreateNew(_clonedEntityConnection);
_objectContext.CopyContextOptions(objectContext);
if (!String.IsNullOrWhiteSpace(objectContext.DefaultContainerName))
{
_objectContext.DefaultContainerName = objectContext.DefaultContainerName;
}
if (transferLoadedAssemblies)
{
TransferLoadedAssemblies(objectContext);
}
}
/// <summary>
/// Creates a clone of the given <see cref="ObjectContext" />. The underlying <see cref="DbConnection" /> of
/// the context is also cloned and the given connection string is used for the connection string of
/// the cloned connection.
/// </summary>
public ClonedObjectContext(
ObjectContextProxy objectContext, string connectionString, bool transferLoadedAssemblies = true)
{
DebugCheck.NotNull(objectContext);
// connectionString may be null when connection has been created from DbContextInfo using just a provider
var clonedConnection =
DbProviderServices.GetProviderFactory(objectContext.Connection.StoreConnection).CreateConnection();
clonedConnection.ConnectionString = connectionString;
var clonedEntityConnection = objectContext.Connection.CreateNew(clonedConnection);
_objectContext = objectContext.CreateNew(clonedEntityConnection);
_objectContext.CopyContextOptions(objectContext);
if (!String.IsNullOrWhiteSpace(objectContext.DefaultContainerName))
{
_objectContext.DefaultContainerName = objectContext.DefaultContainerName;
}
if (transferLoadedAssemblies)
{
TransferLoadedAssemblies(objectContext);
}
}