/// <summary>
/// Returns the parent ResourceWindowsCategory for the passed-in ResourceWindowsCategory item.
/// </summary>
/// <param name="entities"></param>
/// <param name="name"></param>
/// <param name="item"></param>
/// <returns></returns>
private static ResourceWindowsCategory GetParent(EnterpriseTestEntities entities, string name, ResourceWindowsCategory item, string categoryType)
{
//Try to find the parent in the item's Parent collection
ResourceWindowsCategory result = item.Parents.Where(p => p.Name.Equals(name, StringComparison.OrdinalIgnoreCase)).FirstOrDefault();
if (result == null)
{
//Not in the item's parent collection. Try to find the parent in the table
result = Select(entities, categoryType, name).FirstOrDefault();
}
if (result == null)
{
//Not in the item's parent collection or the database. Create a new item
result = ResourceWindowsCategory.CreateResourceWindowsCategory(NextId(entities), name, categoryType);
}
return(result);
}
/// <summary>
/// Adds a new set of PerfMon counters.
/// </summary>
/// <param name="entities">The data context.</param>
/// <param name="categoryName">The category name.</param>
/// <param name="instanceName">The instance name.</param>
/// <param name="counterName">The counter name.</param>
public static void AddPerfMon(EnterpriseTestEntities entities, string categoryName, string instanceName, string counterName, ResourceWindowsCategoryType categoryType)
{
string categoryTypeName = categoryType.ToString();
ResourceWindowsCategory category = null;
ResourceWindowsCategory instance = null;
ResourceWindowsCategory counter = Select(entities, categoryTypeName, counterName).FirstOrDefault();
if (counter == null)
{
counter = ResourceWindowsCategory.CreateResourceWindowsCategory(NextId(entities), counterName, categoryTypeName);
}
//If instance is blank, use the constant string. This is because in the ResourceWindowsCategory table the blank category is the root,
//so we can't reuse it further down in the hierarchy.
instance = GetParent(entities, instanceName == string.Empty ? InstanceDoesNotApply : instanceName, counter, categoryTypeName);
category = GetParent(entities, categoryName, instance, categoryTypeName);
//Wire up the parent relationships so that the EF can handle it.
if (counter.EntityState == System.Data.EntityState.Detached)
{
counter.Parents.Add(instance);
}
if (instance.EntityState == System.Data.EntityState.Detached)
{
instance.Parents.Add(category);
}
if (category.EntityState == System.Data.EntityState.Detached)
{
//We're adding a new category, so hook it up the the root parent
ResourceWindowsCategory root = Select(entities, categoryTypeName, string.Empty).FirstOrDefault();
if (root != null)
{
category.Parents.Add(root);
}
}
}