/// <summary>
/// This method can start, stop, resume or pause a group of components of the specified type.
/// </summary>
/// <param name="action">The action required</param>
/// <param name="components">The components to which the action should be provided</param>
/// <param name="componentType">The component type.</param>
public virtual void ComponentsStatusChange(XimuraServiceStatusAction action,
ICollection components, Type componentType)
{
ComponentsStatusChange(action, components, componentType, mNotifyAfter, mNotifyBefore);
}
/// <summary>
/// This method can start, stop, resume or pause a group of components of the specified type.
/// </summary>
/// <param name="action">The action required</param>
/// <param name="components">The components to which the action should be provided</param>
/// <param name="componentType">The component type.</param>
public virtual void ComponentsStatusChange(XimuraServiceStatusAction action,
ICollection components, Type componentType,
ComponentStatusChangeNotify NotifyAfter, ComponentStatusChangeNotify NotifyBefore)
{
if (components == null)
return;
bool donotNotifyBefore = NotifyBefore == null;
bool doNotifyAfter = NotifyAfter != null;
foreach (object objService in components)
{
IXimuraService service = objService as IXimuraService;
if (service != null &&
(componentType == null || (componentType.IsInstanceOfType(service))))
{
try
{
switch (action)
{
case XimuraServiceStatusAction.Start:
if (service.ServiceStatus == XimuraServiceStatus.Stopped ||
service.ServiceStatus == XimuraServiceStatus.NotStarted)
{
if (donotNotifyBefore || NotifyBefore(action, service))
{
service.Start();
if (doNotifyAfter) NotifyAfter(action, service);
}
}
break;
case XimuraServiceStatusAction.Stop:
if (service.ServiceStatus != XimuraServiceStatus.Stopped ||
service.ServiceStatus != XimuraServiceStatus.Stopping ||
service.ServiceStatus != XimuraServiceStatus.NotStarted ||
service.ServiceStatus != XimuraServiceStatus.Undefined)
{
if (donotNotifyBefore || NotifyBefore(action, service))
{
service.Stop();
if (doNotifyAfter) NotifyAfter(action, service);
}
}
break;
case XimuraServiceStatusAction.Pause:
if (service.ServiceStatus == XimuraServiceStatus.Started)
{
if (donotNotifyBefore || NotifyBefore(action, service))
{
service.Pause();
if (doNotifyAfter) NotifyAfter(action, service);
}
}
break;
case XimuraServiceStatusAction.Continue:
if (service.ServiceStatus == XimuraServiceStatus.Paused)
if (service.ServiceStatus == XimuraServiceStatus.Started)
{
if (donotNotifyBefore || NotifyBefore(action, service))
{
service.Continue();
if (doNotifyAfter) NotifyAfter(action, service);
}
}
break;
}
}
catch (Exception ex)
{
Debug.WriteLine("ComponentsStatusChange -> " + action.ToString() +
" -> " + ex.Message, "Start error.");
throw ex;
}
}
}
}
/// <summary>
/// This overriden method checks on start whether the command has a priority set,
/// if it does has a priority set, the command is not started.
/// </summary>
/// <param name="action">The service action.</param>
/// <param name="service">The service.</param>
/// <returns>Returns true if the service can start.</returns>
protected override bool ComponentsStatusBeforeChange(XimuraServiceStatusAction action, IXimuraService service)
{
//We only want to start commands that do not have a priority.
if (action == XimuraServiceStatusAction.Start &&
CommandExtender.CommandHasPriority(service))
return false;
return base.ComponentsStatusBeforeChange(action, service);
}
/// <summary>
/// This method is called after the status of the service has been changed.
/// </summary>
/// <param name="action">The action, i.e. start, stop, etc.</param>
/// <param name="service">The component service to change.</param>
protected virtual void ComponentsStatusAfterChange(
XimuraServiceStatusAction action,IXimuraService service)
{
}
/// <summary>
/// This method is called before the status of a component is changed. You may override
/// this method to make additional checks before the component status is changed.
/// </summary>
/// <param name="action">The action, i.e. start, stop, etc.</param>
/// <param name="service">The component service to change.</param>
/// <returns>This method should return true if you want the status to change.
/// If this method returns false the status of the service will not change.</returns>
protected virtual bool ComponentsStatusBeforeChange(
XimuraServiceStatusAction action,IXimuraService service)
{
return true;
}
/// <summary>
/// This method can start, stop, resume or pause a group of components of the specified type.
/// </summary>
/// <param name="action">The action required</param>
/// <param name="components">The components to which the action should be provided</param>
/// <param name="componentType">The component type.</param>
protected virtual void ComponentsStatusChange(XimuraServiceStatusAction action,
ICollection components, Type componentType)
{
if (components == null)
return;
foreach(object objService in components)
{
IXimuraService service = objService as IXimuraService;
if (service != null &&
(componentType==null || (componentType.IsInstanceOfType(service))))
{
try
{
switch (action)
{
case XimuraServiceStatusAction.Start:
if (service.ServiceEnabled &&
(service.ServiceStatus == XimuraServiceStatus.Stopped ||
service.ServiceStatus == XimuraServiceStatus.NotStarted))
{
if (ComponentsStatusBeforeChange(action, service))
{
if (service is IXimuraServiceParentSettings)
ServiceParentSettingsSet((IXimuraServiceParentSettings)service);
service.Start();
ComponentsStatusAfterChange(action, service);
}
}
break;
case XimuraServiceStatusAction.Stop:
if (service.ServiceStatus != XimuraServiceStatus.Stopped ||
service.ServiceStatus != XimuraServiceStatus.Stopping ||
service.ServiceStatus != XimuraServiceStatus.NotStarted ||
service.ServiceStatus != XimuraServiceStatus.Undefined)
{
if (ComponentsStatusBeforeChange(action, service))
{
service.Stop();
ComponentsStatusAfterChange(action, service);
}
}
break;
case XimuraServiceStatusAction.Pause:
if (service.ServiceStatus == XimuraServiceStatus.Started)
{
if (ComponentsStatusBeforeChange(action, service))
{
service.Pause();
ComponentsStatusAfterChange(action, service);
}
}
break;
case XimuraServiceStatusAction.Continue:
if (service.ServiceStatus == XimuraServiceStatus.Paused)
if (service.ServiceStatus == XimuraServiceStatus.Started)
{
if (ComponentsStatusBeforeChange(action, service))
{
service.Continue();
ComponentsStatusAfterChange(action, service);
}
}
break;
}
}
catch (Exception ex)
{
string message = "ComponentsStatusChange: " + objService.ToString() + " -> "
+ action.ToString() + " -> " + ex.Message;
#if (DEBUG)
Debug.WriteLine(message, action.ToString() + " error.");
#endif
throw new XimuraComponentServiceException(message,ex);
}
}
}
}
/// <summary>
/// This method can start, stop, resume or pause a group of components.
/// </summary>
/// <param name="action">The action required</param>
/// <param name="components">The components to which the action should be provided</param>
protected virtual void ComponentsStatusChange(XimuraServiceStatusAction action, ICollection components)
{
ComponentsStatusChange(action,components,null);
}