private static Type[] GetTypeHierarchy(Type type, out PropertyInfo[] keyProperties, out bool hasProperties)
{
keyProperties = ClientTypeUtil.GetKeyPropertiesOnType(type, out hasProperties);
List <Type> list = new List <Type>();
if (keyProperties != null)
{
Type declaringType;
if (keyProperties.Length > 0)
{
declaringType = keyProperties[0].DeclaringType;
}
else
{
declaringType = type;
while (!declaringType.GetCustomAttributes(false).OfType <DataServiceEntityAttribute>().Any <DataServiceEntityAttribute>() && (declaringType.GetBaseType() != null))
{
declaringType = declaringType.GetBaseType();
}
}
do
{
list.Insert(0, type);
}while ((type != declaringType) && ((type = type.GetBaseType()) != null));
}
else
{
do
{
list.Insert(0, type);
}while (((type = type.GetBaseType()) != null) && ClientTypeUtil.GetPropertiesOnType(type, false).Any <PropertyInfo>());
}
return(list.ToArray());
}
/// <summary>Returns <paramref name="type"/> and its base types, in the order of most base type first and <paramref name="type"/> last.</summary>
/// <param name="type">Type instance in question.</param>
/// <param name="keyProperties">Returns the list of key properties if <paramref name="type"/> is an entity type; null otherwise.</param>
/// <param name="hasProperties">true if <paramref name="type"/> has any (declared or inherited) properties; otherwise false.</param>
/// <returns>Returns <paramref name="type"/> and its base types, in the order of most base type first and <paramref name="type"/> last.</returns>
private static Type[] GetTypeHierarchy(Type type, out PropertyInfo[] keyProperties, out bool hasProperties)
{
Debug.Assert(type != null, "type != null");
keyProperties = ClientTypeUtil.GetKeyPropertiesOnType(type, out hasProperties);
List <Type> hierarchy = new List <Type>();
if (keyProperties != null)
{
// type is an entity. Return all types between keyPropertyDeclaredType and type inclusive.
Type baseEntityType;
if (keyProperties.Length > 0)
{
baseEntityType = keyProperties[0].DeclaringType;
}
else
{
// Find the type where the DataServiceEntityAttribute is declared on.
baseEntityType = type;
Debug.Assert(type.GetCustomAttributes(true).OfType <EntityTypeAttribute>().Any(), "type.GetCustomAttributes(true).OfType<DataServiceEntityAttribute>().Any()");
while (!baseEntityType.GetCustomAttributes(false).OfType <EntityTypeAttribute>().Any() && c.PlatformHelper.GetBaseType(baseEntityType) != null)
{
baseEntityType = c.PlatformHelper.GetBaseType(baseEntityType);
}
Debug.Assert(baseEntityType != null, "keyPropertyDeclaringType != null");
}
do
{
hierarchy.Insert(0, type);
}while (type != baseEntityType && (type = c.PlatformHelper.GetBaseType(type)) != null);
}
else
{
// type is a complex type. Return all types on the hierarchy where there are properties defined.
do
{
hierarchy.Insert(0, type);
}while ((type = c.PlatformHelper.GetBaseType(type)) != null && ClientTypeUtil.GetPropertiesOnType(type, false /*declaredOnly*/).Any());
}
return(hierarchy.ToArray());
}
/// <summary>
/// Is the type or element type (in the case of nullableOfT or IEnumOfT) a Entity Type?
/// </summary>
/// <param name="type">Type to examine</param>
/// <returns>bool indicating whether or not entity type</returns>
internal static bool TypeOrElementTypeIsEntity(Type type)
{
type = TypeSystem.GetElementType(type);
type = Nullable.GetUnderlyingType(type) ?? type;
return(!PrimitiveType.IsKnownType(type) && ClientTypeUtil.GetKeyPropertiesOnType(type) != null);
}
