private static void CopyDefaultDiscriminator(
MappingFragment fromFragment, MappingFragment toFragment)
{
var discriminatorColumn = fromFragment.GetDefaultDiscriminator();
if (discriminatorColumn != null)
{
var discriminator
= fromFragment.ColumnConditions
.SingleOrDefault(cc => cc.Column == discriminatorColumn);
if (discriminator != null)
{
toFragment.AddDiscriminatorCondition(discriminator.Column, discriminator.Value);
toFragment.SetDefaultDiscriminator(discriminator.Column);
}
}
}
private static void CopyDefaultDiscriminator(
MappingFragment fromFragment,
MappingFragment toFragment)
{
EdmProperty discriminatorColumn = fromFragment.GetDefaultDiscriminator();
if (discriminatorColumn == null)
{
return;
}
ConditionPropertyMapping conditionPropertyMapping = fromFragment.ColumnConditions.SingleOrDefault <ConditionPropertyMapping>((Func <ConditionPropertyMapping, bool>)(cc => cc.Column == discriminatorColumn));
if (conditionPropertyMapping == null)
{
return;
}
toFragment.AddDiscriminatorCondition(conditionPropertyMapping.Column, conditionPropertyMapping.Value);
toFragment.SetDefaultDiscriminator(conditionPropertyMapping.Column);
}
private static MappingFragment FindConditionTypeMappingFragment(
EntitySet tableSet,
MappingFragment propertiesTypeMappingFragment,
EntityTypeMapping conditionTypeMapping)
{
EntityType table = tableSet.ElementType;
MappingFragment mappingFragment = conditionTypeMapping.MappingFragments.SingleOrDefault <MappingFragment>((Func <MappingFragment, bool>)(x => x.Table == table));
if (mappingFragment == null)
{
mappingFragment = EntityMappingOperations.CreateTypeMappingFragment(conditionTypeMapping, propertiesTypeMappingFragment, tableSet);
mappingFragment.SetIsConditionOnlyFragment(true);
if (propertiesTypeMappingFragment.GetDefaultDiscriminator() != null)
{
mappingFragment.SetDefaultDiscriminator(propertiesTypeMappingFragment.GetDefaultDiscriminator());
propertiesTypeMappingFragment.RemoveDefaultDiscriminatorAnnotation();
}
}
return(mappingFragment);
}
private static void GenerateDiscriminators(DbDatabaseMapping databaseMapping)
{
foreach (EntitySetMapping entitySetMapping in databaseMapping.GetEntitySetMappings())
{
if (entitySetMapping.EntityTypeMappings.Count <EntityTypeMapping>() > 1)
{
EdmProperty edmProperty = new EdmProperty("Discriminator", databaseMapping.ProviderManifest.GetStoreType(DatabaseMappingGenerator.DiscriminatorTypeUsage))
{
Nullable = false,
DefaultValue = (object)"(Undefined)"
};
entitySetMapping.EntityTypeMappings.First <EntityTypeMapping>().MappingFragments.Single <MappingFragment>().Table.AddColumn(edmProperty);
foreach (EntityTypeMapping entityTypeMapping in entitySetMapping.EntityTypeMappings)
{
if (!entityTypeMapping.EntityType.Abstract)
{
MappingFragment mappingFragment = entityTypeMapping.MappingFragments.Single <MappingFragment>();
mappingFragment.SetDefaultDiscriminator(edmProperty);
mappingFragment.AddDiscriminatorCondition(edmProperty, (object)entityTypeMapping.EntityType.Name);
}
}
}
}
}