private static void LoadStoreItemCollections(
MetadataWorkspace workspace,
DbConnection storeConnection,
DbConnectionOptions connectionOptions,
EdmItemCollection edmItemCollection,
MetadataArtifactLoader artifactLoader)
{
Debug.Assert(
workspace.IsItemCollectionAlreadyRegistered(DataSpace.CSpace), "C-Space must be loaded before loading S or C-S space");
// The provider connection string is optional; if it has not been specified,
// we pick up the store's connection string.
//
var providerConnectionString = connectionOptions[EntityConnectionStringBuilder.ProviderConnectionStringParameterName];
if (string.IsNullOrEmpty(providerConnectionString)
&& (storeConnection != null))
{
providerConnectionString = storeConnection.ConnectionString;
}
// Build a string as the key and look up the MetadataCache for a match
var storeCacheKey = CreateMetadataCacheKey(
artifactLoader.GetOriginalPaths(),
connectionOptions[EntityConnectionStringBuilder.ProviderParameterName],
providerConnectionString);
// Load store metadata.
object entryToken;
var mappingCollection =
MetadataCache.GetOrCreateStoreAndMappingItemCollections(
storeCacheKey,
artifactLoader,
edmItemCollection,
out entryToken);
workspace.RegisterItemCollection(mappingCollection.StoreItemCollection);
workspace.RegisterItemCollection(mappingCollection);
// Adding the store metadata entry token to the workspace
workspace.AddMetadataEntryToken(entryToken);
}
private static EdmItemCollection LoadEdmItemCollection(MetadataWorkspace workspace, MetadataArtifactLoader artifactLoader)
{
// Build a string as the key and look up the MetadataCache for a match
var edmCacheKey = CreateMetadataCacheKey(artifactLoader.GetOriginalPaths(DataSpace.CSpace), null, null);
// Check the MetadataCache for an entry with this key
object entryToken;
var edmItemCollection = MetadataCache.GetOrCreateEdmItemCollection(
edmCacheKey,
artifactLoader,
out entryToken);
workspace.RegisterItemCollection(edmItemCollection);
// Adding the edm metadata entry token to the workspace, to make sure that this token remains alive till workspace is alive
workspace.AddMetadataEntryToken(entryToken);
return edmItemCollection;
}