private static void RemoveColumnMapping(StructuralTypeMapping structuralTypeMapping, IEnumerable <EdmProperty> propertyPath)
{
DebugCheck.NotNull(structuralTypeMapping);
DebugCheck.NotNull(propertyPath);
// Remove the target column mapping by walking down the mapping fragment
// tree corresponding to the passed-in property path until we reach the scalar
// mapping leaf node. On the way out remove any empty mappings.
var propertyMapping
= structuralTypeMapping
.PropertyMappings
.Single(pm => ReferenceEquals(pm.Property, propertyPath.First()));
if (propertyMapping is ScalarPropertyMapping)
{
structuralTypeMapping.RemovePropertyMapping(propertyMapping);
}
else
{
var complexPropertyMapping = ((ComplexPropertyMapping)propertyMapping);
var complexTypeMapping = complexPropertyMapping.TypeMappings.Single();
RemoveColumnMapping(complexTypeMapping, propertyPath.Skip(1));
if (!complexTypeMapping.PropertyMappings.Any())
{
structuralTypeMapping.RemovePropertyMapping(complexPropertyMapping);
}
}
}
private static void RemoveColumnMapping(
StructuralTypeMapping structuralTypeMapping,
IEnumerable <EdmProperty> propertyPath)
{
PropertyMapping propertyMapping = structuralTypeMapping.PropertyMappings.Single <PropertyMapping>((Func <PropertyMapping, bool>)(pm => object.ReferenceEquals((object)pm.Property, (object)propertyPath.First <EdmProperty>())));
if (propertyMapping is ScalarPropertyMapping)
{
structuralTypeMapping.RemovePropertyMapping(propertyMapping);
}
else
{
ComplexPropertyMapping complexPropertyMapping = (ComplexPropertyMapping)propertyMapping;
ComplexTypeMapping complexTypeMapping = complexPropertyMapping.TypeMappings.Single <ComplexTypeMapping>();
MappingFragment.RemoveColumnMapping((StructuralTypeMapping)complexTypeMapping, propertyPath.Skip <EdmProperty>(1));
if (complexTypeMapping.PropertyMappings.Any <PropertyMapping>())
{
return;
}
structuralTypeMapping.RemovePropertyMapping((PropertyMapping)complexPropertyMapping);
}
}
private static void RemoveColumnMapping(StructuralTypeMapping structuralTypeMapping, IEnumerable<EdmProperty> propertyPath)
{
DebugCheck.NotNull(structuralTypeMapping);
DebugCheck.NotNull(propertyPath);
// Remove the target column mapping by walking down the mapping fragment
// tree corresponding to the passed-in property path until we reach the scalar
// mapping leaf node. On the way out remove any empty mappings.
var propertyMapping
= structuralTypeMapping
.PropertyMappings
.Single(pm => ReferenceEquals(pm.Property, propertyPath.First()));
if (propertyMapping is ScalarPropertyMapping)
{
structuralTypeMapping.RemovePropertyMapping(propertyMapping);
}
else
{
var complexPropertyMapping = ((ComplexPropertyMapping)propertyMapping);
var complexTypeMapping = complexPropertyMapping.TypeMappings.Single();
RemoveColumnMapping(complexTypeMapping, propertyPath.Skip(1));
if (!complexTypeMapping.PropertyMappings.Any())
{
structuralTypeMapping.RemovePropertyMapping(complexPropertyMapping);
}
}
}