/// <summary>
/// Calculate metatable statistics for each broker type
/// </summary>
/// <param name="factoryName"></param>
/// <returns></returns>
public static int UpdateStats(
string factoryName)
{
int total = 0;
if (Lex.Eq(factoryName, "Generic") || Lex.IsNullOrEmpty(factoryName))
{
if (Instance == null)
{
Instance = new MetaTableFactory();
}
total += Instance.UpdateMetaTableStatistics();
}
for (int i1 = 0; i1 < MetaFactories.Count; i1++)
{
MetaTableFactoryRef mtfr = MetaFactories[i1];
if (!String.IsNullOrEmpty(factoryName) && Lex.Ne(mtfr.Name, factoryName))
{
continue; // skip if name supplied and this isn't it
}
int cnt = mtfr.MetaTableFactory.UpdateMetaTableStatistics();
total += cnt;
}
return(total);
}
/// <summary>
/// Register a new factory
/// </summary>
/// <param name="name"></param>
/// <param name="factory"></param>
public static void RegisterFactory(
string name,
IMetaFactory factory)
{
MetaTableFactoryRef mtfr = new MetaTableFactoryRef();
mtfr.Name = name;
mtfr.MetaTableFactory = factory;
MetaFactories.Add(mtfr);
return;
}
/// <summary>
/// Lookup a MetaTable by name throwing any exceptions from underlying factories
/// </summary>
/// <param name="name"></param>
/// <returns>MetaTable or null if not found</returns>
///
public MetaTable GetMetaTable(
String name)
{
MetaTable mt;
if (RestrictedMetaTables.MetatableIsRestricted(name))
{
return(null);
}
if (RestrictedMetatable.MetatableIsGenerallyRestricted(name))
{
return(null);
}
name = name.Trim().ToUpper();
if (MetaTableCollection.TableMap.ContainsKey(name))
{ // see if in collection already
mt = MetaTableCollection.TableMap[name];
return(mt);
}
for (int i1 = 0; i1 < MetaFactories.Count; i1++)
{
MetaTableFactoryRef mtfr = MetaFactories[i1];
mt = mtfr.MetaTableFactory.GetMetaTable(name);
if (mt != null)
{
NormalizeMetaTable(mt);
return(mt);
}
}
// Check to see if this is a summary table that can be created from an unsummarized version of itself
if (!Lex.EndsWith(name, MetaTable.SummarySuffix))
{
return(null); // see if named as summary table
}
string name2 = name.Substring(0, name.Length - MetaTable.SummarySuffix.Length);
MetaTable mt2 = MetaTableCollection.Get(name2);
if (mt2 == null || !mt2.SummarizedExists)
{
return(null);
}
mt = mt2.Clone();
AdjustForSummarization(mt, true);
return(mt);
}
/// <summary>
/// Load metatable stats for tables associated with each factory
/// </summary>
/// <returns></returns>
public static int LoadMetaTableStats()
{
int cnt;
TableStats = new Dictionary <string, MetaTableStats>();
int total = 0;
for (int i1 = 0; i1 < MetaFactories.Count; i1++)
{
MetaTableFactoryRef mtfr = MetaFactories[i1];
cnt = mtfr.MetaTableFactory.LoadMetaTableStats(TableStats);
total += cnt;
}
// Load generic persisted metatable stats
string fileName = MetaTableXmlFolder + @"\GenericMetaTableStats.txt";
cnt = LoadMetaTableStats(fileName, TableStats);
total += cnt;
return(total);
}
