private static MappingFragment FindConditionTypeMappingFragment(
EntitySet tableSet, MappingFragment propertiesTypeMappingFragment,
EntityTypeMapping conditionTypeMapping)
{
var table = tableSet.ElementType;
var conditionTypeMappingFragment
= conditionTypeMapping.MappingFragments
.SingleOrDefault(x => x.Table == table);
if (conditionTypeMappingFragment == null)
{
conditionTypeMappingFragment
= EntityMappingOperations
.CreateTypeMappingFragment(conditionTypeMapping, propertiesTypeMappingFragment, tableSet);
conditionTypeMappingFragment.SetIsConditionOnlyFragment(true);
if (propertiesTypeMappingFragment.GetDefaultDiscriminator() != null)
{
conditionTypeMappingFragment.SetDefaultDiscriminator(
propertiesTypeMappingFragment.GetDefaultDiscriminator());
propertiesTypeMappingFragment.RemoveDefaultDiscriminatorAnnotation();
}
}
return(conditionTypeMappingFragment);
}
public static EdmProperty RemoveDefaultDiscriminatorCondition(
this MappingFragment entityTypeMappingFragment)
{
EdmProperty defaultDiscriminator = entityTypeMappingFragment.GetDefaultDiscriminator();
if (defaultDiscriminator != null && entityTypeMappingFragment.ColumnConditions.Any <ConditionPropertyMapping>())
{
entityTypeMappingFragment.ClearConditions();
}
entityTypeMappingFragment.RemoveDefaultDiscriminatorAnnotation();
return(defaultDiscriminator);
}
public static EdmProperty RemoveDefaultDiscriminatorCondition(
this MappingFragment entityTypeMappingFragment)
{
DebugCheck.NotNull(entityTypeMappingFragment);
var discriminatorColumn = entityTypeMappingFragment.GetDefaultDiscriminator();
if (discriminatorColumn != null &&
entityTypeMappingFragment.ColumnConditions.Any())
{
Debug.Assert(entityTypeMappingFragment.ColumnConditions.Count() == 1);
entityTypeMappingFragment.ClearConditions();
}
entityTypeMappingFragment.RemoveDefaultDiscriminatorAnnotation();
return(discriminatorColumn);
}