ConfigurationFailureResult FillFromConfiguration(string currentOperation, Dictionary <string, FinalConfigurationItem> final, Func <ConfigurationItem, bool> filter = null)
{
foreach (ConfigurationLayer layer in _configurationLayerCollection)
{
FinalConfigurationItem data;
ConfigurationStatus combinedStatus;
StartDependencyImpact combinedImpact;
string invalidCombination;
foreach (ConfigurationItem item in layer.Items)
{
if (filter == null || filter(item))
{
if (final.TryGetValue(item.ServiceOrPluginFullName, out data))
{
combinedStatus = FinalConfigurationItem.Combine(item.Status, data.Status, out invalidCombination);
if (string.IsNullOrEmpty(invalidCombination))
{
combinedImpact = FinalConfigurationItem.Combine(item.Impact, data.Impact, out invalidCombination);
if (string.IsNullOrEmpty(invalidCombination))
{
final[item.ServiceOrPluginFullName] = new FinalConfigurationItem(item.ServiceOrPluginFullName, combinedStatus, combinedImpact);
}
else
{
return(new ConfigurationFailureResult(String.Format("{0}: {1} for {2}", currentOperation, invalidCombination, item.ServiceOrPluginFullName)));
}
}
else
{
return(new ConfigurationFailureResult(String.Format("{0}: {1} for {2}", currentOperation, invalidCombination, item.ServiceOrPluginFullName)));
}
}
else
{
final.Add(item.ServiceOrPluginFullName, new FinalConfigurationItem(item.ServiceOrPluginFullName, item.Status, item.Impact));
}
}
}
}
return(new ConfigurationFailureResult());
}
internal IYodiiEngineResult OnConfigurationItemChanging(ConfigurationItem item, FinalConfigurationItem data)
{
Debug.Assert(item != null && _finalConfiguration != null && _configurationLayerCollection.Count != 0);
if (_currentEventArgs != null)
{
throw new InvalidOperationException("Another change is in progress");
}
Dictionary <string, FinalConfigurationItem> final = new Dictionary <string, FinalConfigurationItem>();
final.Add(item.ServiceOrPluginFullName, data);
ConfigurationFailureResult internalResult = FillFromConfiguration("Item changing", final, c => c != item);
if (!internalResult.Success)
{
return(new YodiiEngineResult(internalResult, Engine));
}
if (item.Status != data.Status)
{
return(OnConfigurationChanging(final, finalConf => new ConfigurationChangingEventArgs(finalConf, FinalConfigurationChange.StatusChanged, item)));
}
return(OnConfigurationChanging(final, finalConf => new ConfigurationChangingEventArgs(finalConf, FinalConfigurationChange.ImpactChanged, item)));
}
internal IYodiiEngineResult OnConfigurationItemChanging(ConfigurationItem item, FinalConfigurationItem data)
{
Debug.Assert(item != null && item.Layer == this && _configurationItemCollection.Items.Contains(item));
if (_owner == null)
{
return(SuccessYodiiEngineResult.NullEngineSuccessResult);
}
return(_owner.OnConfigurationItemChanging(item, data));
}
