public void Verify_that_opening_connection_does_not_create_new_MetadataWorkspace()
{
var connection = new EntityConnection(connectionString);
var workspace = connection.GetMetadataWorkspace();
connection.Open();
Assert.Same(workspace, connection.GetMetadataWorkspace());
}
public void Verify_that_metadata_is_the_same_for_two_workspaces_created_from_two_entity_connections_with_same_connection_strings()
{
var connection1 = new EntityConnection(connectionString);
var connection2 = new EntityConnection(connectionString);
var workspace1 = connection1.GetMetadataWorkspace();
var workspace2 = connection2.GetMetadataWorkspace();
Assert.Same(workspace1.GetItemCollection(DataSpace.CSpace), workspace2.GetItemCollection(DataSpace.CSpace));
Assert.Same(workspace1.GetItemCollection(DataSpace.SSpace), workspace2.GetItemCollection(DataSpace.SSpace));
Assert.Same(workspace1.GetItemCollection(DataSpace.CSSpace), workspace2.GetItemCollection(DataSpace.CSSpace));
}
Verify_that_conceptual_metadata_is_the_same_for_two_workspaces_created_from_two_entity_connections_with_reordered_metadata_in_connection_strings
()
{
var connectionString2 = string.Format(
@"metadata=res://EntityFramework.FunctionalTests.Transitional/System.Data.Entity.Metadata.MetadataCachingModel.msl|res://EntityFramework.FunctionalTests.Transitional/System.Data.Entity.Metadata.MetadataCachingModel.ssdl|res://EntityFramework.FunctionalTests.Transitional/System.Data.Entity.Metadata.MetadataCachingModel.csdl;provider=System.Data.SqlClient;provider connection string=""{0}""",
ModelHelpers.SimpleConnectionString("tempdb"));
var connection1 = new EntityConnection(connectionString);
var connection2 = new EntityConnection(connectionString2);
var workspace1 = connection1.GetMetadataWorkspace();
var workspace2 = connection2.GetMetadataWorkspace();
Assert.Same(workspace1.GetItemCollection(DataSpace.CSpace), workspace2.GetItemCollection(DataSpace.CSpace));
}
internal static DbSpatialServices GetSpatialServices(IDbDependencyResolver resolver, EntityConnection connection)
{
DebugCheck.NotNull(resolver);
DebugCheck.NotNull(connection);
var storeItemCollection = (StoreItemCollection)connection.GetMetadataWorkspace().GetItemCollection(DataSpace.SSpace);
var key = new DbProviderInfo(
storeItemCollection.StoreProviderInvariantName, storeItemCollection.StoreProviderManifestToken);
return GetSpatialServices(resolver, key, () => GetProviderServices(connection.StoreConnection));
}
private void MetadataCachingWithGarbageCollectionTemplate(Action garbageCollection)
{
MetadataWorkspace.ClearCache();
var weakReferences = new WeakReference[3];
// load metadata
using (var connection1 = new EntityConnection(connectionString))
{
connection1.Open();
weakReferences[0] = new WeakReference(connection1.GetMetadataWorkspace().GetItemCollection(DataSpace.CSpace));
weakReferences[1] = new WeakReference(connection1.GetMetadataWorkspace().GetItemCollection(DataSpace.SSpace));
weakReferences[2] = new WeakReference(connection1.GetMetadataWorkspace().GetItemCollection(DataSpace.CSSpace));
}
// perform necessary garbage collection steps
garbageCollection();
// verify that metadata was cached
using (var connection2 = new EntityConnection(connectionString))
{
connection2.Open();
Assert.Same(weakReferences[0].Target, connection2.GetMetadataWorkspace().GetItemCollection(DataSpace.CSpace));
Assert.Same(weakReferences[1].Target, connection2.GetMetadataWorkspace().GetItemCollection(DataSpace.SSpace));
Assert.Same(weakReferences[2].Target, connection2.GetMetadataWorkspace().GetItemCollection(DataSpace.CSSpace));
}
}
private static object GetSpatialValueFromProviderValue(
object spatialValue, PrimitiveType parameterType, EntityConnection connection)
{
var providerServices = DbProviderServices.GetProviderServices(connection.StoreConnection);
var storeItemCollection = (StoreItemCollection)connection.GetMetadataWorkspace().GetItemCollection(DataSpace.SSpace);
var spatialServices = providerServices.GetSpatialServices(storeItemCollection.StoreProviderManifestToken);
if (Helper.IsGeographicType(parameterType))
{
return spatialServices.GeographyFromProviderValue(spatialValue);
}
else
{
Debug.Assert(Helper.IsGeometricType(parameterType));
return spatialServices.GeometryFromProviderValue(spatialValue);
}
}
