public OpenAsyncResult(SqlPersistenceProviderFactory provider, TimeSpan timeout, AsyncCallback callback, object state)
: base(callback, state)
{
Fx.Assert(provider != null,
"Provider should never be null.");
this.provider = provider;
this.timeout = timeout;
ActionItem.Schedule(ScheduledCallback, null);
}
public DeleteHandler(SqlPersistenceProviderFactory provider)
: base(provider)
{
}
public LoadHandler(SqlPersistenceProviderFactory provider)
: base(provider)
{
}
public CloseAsyncResult(SqlPersistenceProviderFactory provider, TimeSpan timeout, AsyncCallback callback, object state)
: base(callback, state)
{
// There is no point in even pretending SqlConnection.Close needs async
provider.OnClose(timeout);
Complete(true);
}
public UnlockHandler(SqlPersistenceProviderFactory provider)
: base(provider)
{
}
public SqlPersistenceProvider(Guid id, SqlPersistenceProviderFactory factory)
: base(id)
{
this.factory = factory;
}
public OperationHandler(SqlPersistenceProviderFactory provider)
{
this.provider = provider;
}
public OperationAsyncResult(OperationHandler handler, SqlPersistenceProviderFactory provider, Guid id, TimeSpan timeout, AsyncCallback callback, object state, params object[] additionalParameters)
: base(callback, state)
{
Fx.Assert(provider != null,
"Provider should never be null.");
this.handler = handler;
this.provider = provider;
this.id = id;
if (this.handler.ShortcutExecution)
{
Complete(true);
return;
}
TimeoutHelper timeoutHelper = new TimeoutHelper(timeout);
SqlConnection connection = this.provider.OpenConnection(timeoutHelper.RemainingTime());
bool completeSelf = false;
Exception delayedException = null;
try
{
this.command = this.provider.CreateCommand(connection, timeoutHelper.RemainingTime());
this.handler.SetupCommand(this.command, this.id, additionalParameters);
IAsyncResult result = null;
if (this.handler.ExecuteReader)
{
result = this.command.BeginExecuteReader(commandCallback, this);
}
else
{
result = this.command.BeginExecuteNonQuery(commandCallback, this);
}
if (result.CompletedSynchronously)
{
delayedException = CompleteOperation(result);
completeSelf = true;
}
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
try
{
connection.Close();
this.provider.CleanupCommand(this.command);
}
catch (Exception e1)
{
if (Fx.IsFatal(e1))
{
throw;
}
// do not rethrow non-fatal exceptions thrown from cleanup code
}
finally
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new PersistenceException(
SR2.GetString(SR2.PersistenceOperationError, this.handler.OperationName), e));
}
}
if (completeSelf)
{
connection.Close();
this.provider.CleanupCommand(this.command);
if (delayedException != null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(delayedException);
}
Complete(true);
}
}
