private IProjectionManager GetManager(IProjectionEntry entry)
{
Contract.Requires(entry != null);
var projectionType = entry.ProjectionType;
// check for preinitialized projection manager
var manager = entry.ProjectionManager;
if (manager == null)
{
// lock cache for concurrency
lock (_managers)
{
// find manager in cache
manager = GetCachedManager(projectionType);
// if manager is not cached, create and cache
if (manager == null)
{
manager = CreateManager(entry.ProjectionManagerType);
CacheManager(projectionType, manager);
}
}
}
return(manager);
}
public IProjectionCatalog Add(IProjectionEntry entry)
{
Contract.Requires(entry != null);
Contract.Ensures(Contract.Result <IProjectionCatalog>() != null);
Contract.Ensures(GetEntry(entry.ProjectionType) == entry);
Contract.EnsuresOnThrow <ArgumentException>(GetEntry(entry.ProjectionType) == Contract.OldValue(GetEntry(entry.ProjectionType)));
throw new NotImplementedException();
}
public IProjectionCatalog Add(IProjectionEntry entry)
{
if (_entries.Any(x => x.ProjectionType == entry.ProjectionType))
{
throw new ApplicationException("An item with the same projection type has already been added to the catalog.");
}
_entries.Add(entry);
Contract.Assume(GetEntry(entry.ProjectionType) == entry);
return(this);
}
