public IllegalStateTransitionException(AMQState originalState, Type frame)
: base("No valid state transition defined for receiving frame " + frame +
" from state " + originalState)
{
_originalState = originalState;
_frame = frame;
}
public IllegalStateTransitionException(AMQState originalState, Type frame)
: base("No valid state transition defined for receiving frame " + frame +
" from state " + originalState)
{
_originalState = originalState;
_frame = frame;
}
public AMQStateManager()
{
_syncLock = new object();
_state2HandlersMap = new Hashtable();
_stateListeners = ArrayList.Synchronized(new ArrayList(5));
_currentState = AMQState.CONNECTION_NOT_STARTED;
RegisterListeners();
}
public AMQStateManager()
{
_syncLock = new object();
_state2HandlersMap = new Hashtable();
_stateListeners = ArrayList.Synchronized(new ArrayList(5));
_currentState = AMQState.CONNECTION_NOT_STARTED;
RegisterListeners();
}
public void StateChanged(AMQState oldState, AMQState newState)
{
_newState = newState;
if (_logger.IsDebugEnabled)
{
_logger.Debug("stateChanged called");
}
if (_state == newState)
{
_newStateAchieved = true;
if (_logger.IsDebugEnabled)
{
_logger.Debug("New state reached so notifying monitor");
}
_resetEvent.Set();
}
}
public void StateChanged(AMQState oldState, AMQState newState)
{
_newState = newState;
if (_logger.IsDebugEnabled)
{
_logger.Debug("stateChanged called");
}
if (_state == newState)
{
_newStateAchieved = true;
if (_logger.IsDebugEnabled)
{
_logger.Debug("New state reached so notifying monitor");
}
_resetEvent.Set();
}
}
public void AttainState(AMQState s)
{
if (_currentState != s)
{
StateWaiter sw = null;
try
{
_logger.Debug("Adding state wait to reach state " + s);
sw = new StateWaiter(s);
AddStateListener(sw);
sw.WaituntilStateHasChanged();
// at this point the state will have changed.
}
finally
{
RemoveStateListener(sw);
}
}
}
/// <summary>
/// Changes the state.
/// </summary>
/// <param name="newState">The new state.</param>
/// <exception cref="AMQException">if there is an error changing state</exception>
public void ChangeState(AMQState newState)
{
if (InfoLoggingHack)
{
_logger.Debug("State changing to " + newState + " from old state " + _currentState);
}
_logger.Debug("State changing to " + newState + " from old state " + _currentState);
AMQState oldState = _currentState;
_currentState = newState;
lock ( _syncLock )
{
foreach (IStateListener l in _stateListeners)
{
l.StateChanged(oldState, newState);
}
}
}
/// <summary>
/// Finds the state transition handler.
/// </summary>
/// <param name="currentState">State of the current.</param>
/// <param name="frame">The frame.</param>
/// <returns></returns>
/// <exception cref="IllegalStateTransitionException">if the state transition if not allowed</exception>
private IStateAwareMethodListener FindStateTransitionHandler(AMQState currentState,
AMQMethodBody frame)
{
Type clazz = frame.GetType();
if (_logger.IsDebugEnabled)
{
_logger.Debug("Looking for state transition handler for frame " + clazz);
}
IDictionary classToHandlerMap = (IDictionary)_state2HandlersMap[currentState];
if (classToHandlerMap == null)
{
// if no specialised per state handler is registered look for a
// handler registered for "all" states
return(FindStateTransitionHandler(AMQState.ALL, frame));
}
IStateAwareMethodListener handler = (IStateAwareMethodListener)classToHandlerMap[clazz];
if (handler == null)
{
if (currentState == AMQState.ALL)
{
_logger.Debug("No state transition handler defined for receiving frame " + frame);
Console.WriteLine(" *** No state transition handler defined for receiving frame " + frame); //KHC
return(null);
}
else
{
// if no specialised per state handler is registered look for a
// handler registered for "all" states
return(FindStateTransitionHandler(AMQState.ALL, frame));
}
}
else
{
return(handler);
}
}
public void AttainState(AMQState s)
{
if (_currentState != s)
{
StateWaiter sw = null;
try
{
_logger.Debug("Adding state wait to reach state " + s);
sw = new StateWaiter(s);
AddStateListener(sw);
sw.WaituntilStateHasChanged();
// at this point the state will have changed.
}
finally
{
RemoveStateListener(sw);
}
}
}
/// <summary>
/// Finds the state transition handler.
/// </summary>
/// <param name="currentState">State of the current.</param>
/// <param name="frame">The frame.</param>
/// <returns></returns>
/// <exception cref="IllegalStateTransitionException">if the state transition if not allowed</exception>
private IStateAwareMethodListener FindStateTransitionHandler(AMQState currentState,
AMQMethodBody frame)
{
Type clazz = frame.GetType();
if (_logger.IsDebugEnabled)
{
_logger.Debug("Looking for state transition handler for frame " + clazz);
}
IDictionary classToHandlerMap = (IDictionary) _state2HandlersMap[currentState];
if (classToHandlerMap == null)
{
// if no specialised per state handler is registered look for a
// handler registered for "all" states
return FindStateTransitionHandler(AMQState.ALL, frame);
}
IStateAwareMethodListener handler = (IStateAwareMethodListener) classToHandlerMap[clazz];
if (handler == null)
{
if (currentState == AMQState.ALL)
{
_logger.Debug("No state transition handler defined for receiving frame " + frame);
Console .WriteLine (" *** No state transition handler defined for receiving frame " + frame); //KHC
return null;
}
else
{
// if no specialised per state handler is registered look for a
// handler registered for "all" states
return FindStateTransitionHandler(AMQState.ALL, frame);
}
}
else
{
return handler;
}
}
/// <summary>
/// Changes the state.
/// </summary>
/// <param name="newState">The new state.</param>
/// <exception cref="AMQException">if there is an error changing state</exception>
public void ChangeState(AMQState newState)
{
if (InfoLoggingHack)
{
_logger.Debug("State changing to " + newState + " from old state " + _currentState);
}
_logger.Debug("State changing to " + newState + " from old state " + _currentState);
AMQState oldState = _currentState;
_currentState = newState;
lock ( _syncLock )
{
foreach ( IStateListener l in _stateListeners )
{
l.StateChanged(oldState, newState);
}
}
}
public AMQStateChangedEvent(AMQState oldState, AMQState newState)
{
_oldState = oldState;
_newState = newState;
}
public StateWaiter(AMQState state)
{
_state = state;
}
protected IllegalStateTransitionException(SerializationInfo info, StreamingContext ctxt)
: base(info, ctxt)
{
_originalState = (AMQState)info.GetValue("OriginalState", typeof(AMQState));
_frame = (Type)info.GetValue("FrameType", typeof(Type));
}
protected IllegalStateTransitionException(SerializationInfo info, StreamingContext ctxt)
: base(info, ctxt)
{
_originalState = (AMQState)info.GetValue("OriginalState", typeof(AMQState));
_frame = (Type)info.GetValue("FrameType", typeof(Type));
}
public AMQStateChangedEvent(AMQState oldState, AMQState newState)
{
_oldState = oldState;
_newState = newState;
}
public StateWaiter(AMQState state)
{
_state = state;
}
