internal static T ActivateHostAdapter <T>(PartialToken pipeline, IContract addIn)
{
if (pipeline == null)
{
throw new ArgumentNullException("pipeline");
}
if (addIn == null)
{
throw new ArgumentNullException("addIn");
}
System.Diagnostics.Contracts.Contract.EndContractBlock();
ContractComponent contract = pipeline._contract;
HostAdapter hostAdapter = pipeline._hostAdapter;
Type hostAdapterType;
Type contractType;
LoadContractAndHostAdapter(contract, hostAdapter, out contractType, out hostAdapterType);
// This assembly resolve event exists to:
// 1) To upgrade the contract assembly from the LoadFrom context to
// the default loader context
ResolverHelper resolver = new ResolverHelper(contract);
ResolveEventHandler assemblyResolver = new ResolveEventHandler(resolver.ResolveAssemblyForHostAdapter);
AppDomain.CurrentDomain.AssemblyResolve += assemblyResolver;
T hav;
InvokerDelegate myInvokerDelegate = CreateConsInvoker(hostAdapterType, contractType);
try
{
hav = (T)myInvokerDelegate(addIn);
}
catch (ArgumentException e)
{
CheckForLoaderContextProblems(contract, pipeline._addinAdapter, e);
throw;
}
finally
{
AppDomain.CurrentDomain.AssemblyResolve -= assemblyResolver;
}
return(hav);
}
internal void ConnectPipeline(Collection <String> warnings)
{
List <PartialToken> result = new List <PartialToken>();
// For ease of maintanence & debugging for users of the add-in
// model, we must make it easy to report which parts are not
// usable, due to missing connections with other parts of the
// pipeline.
// Real connect loop.
foreach (HostAdapter hostAdapter in HostAdapters)
{
foreach (ContractComponent contract in Contracts)
{
if (!hostAdapter.Constructors.Contains(contract.TypeInfo))
{
continue;
}
hostAdapter.ConnectedToNeighbors = true;
foreach (AddInAdapter addinAdapter in AddInAdapters)
{
if (!addinAdapter.Contracts.Contains(contract.TypeInfo))
{
continue;
}
contract.ConnectedToNeighbors = true;
foreach (AddInBase addinBase in AddInBases)
{
if (!addinAdapter.CanConnectTo(addinBase))
{
continue;
}
addinAdapter.ConnectedToNeighbors = true;
addinBase.ConnectedToNeighbors = true;
PartialToken partialToken = new PartialToken(hostAdapter, contract, addinAdapter, addinBase);
result.Add(partialToken);
} // foreach addinBase
} // foreach addinAdapter
} // foreach contract
} // foreach hostAdapter
// Look for unconnected parts.
int unconnectedParts = 0;
unconnectedParts += LookForUnconnectedParts(HostAdapters, warnings);
unconnectedParts += LookForUnconnectedParts(Contracts, warnings);
unconnectedParts += LookForUnconnectedParts(AddInAdapters, warnings);
unconnectedParts += LookForUnconnectedParts(AddInBases, warnings);
#if ADDIN_VERBOSE_WARNINGS
warnings.Add(String.Format(CultureInfo.CurrentCulture, "PipelineDeploymentState::Connect: Found {0} valid pipelines.", result.Count));
#endif
if (unconnectedParts > 0)
{
warnings.Add(String.Format(CultureInfo.CurrentCulture, Res.CouldntConnectNInvalidParts, unconnectedParts));
}
_partialTokens = result;
}