public void Observe(StatementLifecycleEvent theEvent)
{
if (theEvent.EventType == StatementLifecycleEvent.LifecycleEventType.CREATE)
{
IEnumerator <EPStatementStateListener> it = _statementListeners.GetEnumerator();
for (; it.MoveNext();)
{
try
{
it.Current.OnStatementCreate(_serviceProvider, theEvent.Statement);
}
catch (Exception ex)
{
Log.Error("Caught runtime exception in onStatementCreate callback:" + ex.Message, ex);
}
}
}
else if (theEvent.EventType == StatementLifecycleEvent.LifecycleEventType.STATECHANGE)
{
IEnumerator <EPStatementStateListener> it = _statementListeners.GetEnumerator();
for (; it.MoveNext();)
{
try
{
it.Current.OnStatementStateChange(_serviceProvider, theEvent.Statement);
}
catch (Exception ex)
{
Log.Error("Caught runtime exception in onStatementCreate callback:" + ex.Message, ex);
}
}
}
}
/// <summary>
/// Raises the <see cref="StatementStateChange"/> event.
/// </summary>
/// <param name="e">The <see cref="StatementLifecycleEvent"/> instance containing the event data.</param>
protected virtual void OnStatementStateChanged(StatementLifecycleEvent e)
{
if (StatementStateChange != null)
{
StatementStateChange(this, new StatementStateEventArgs(this, e.Statement));
}
}
/// <summary>
/// Handles the lifecycle event.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="StatementLifecycleEvent"/> instance containing the event data.</param>
private void HandleLifecycleEvent(object sender, StatementLifecycleEvent e)
{
switch (e.EventType)
{
case StatementLifecycleEvent.LifecycleEventType.CREATE:
OnStatementCreate(new StatementStateEventArgs(this, e.Statement));
break;
case StatementLifecycleEvent.LifecycleEventType.STATECHANGE:
OnStatementStateChanged(e);
break;
}
}