private void AddEmbeddedType(FieldInfo parent)
{
FieldInfo[] fis = parent.FieldType.GetFields(BindingFlags.NonPublic | BindingFlags.Instance);
foreach (FieldInfo fi in fis)
{
if (fi.Name.StartsWith("_ndo"))
{
continue;
}
Type t = fi.FieldType;
object[] attributes = fi.GetCustomAttributes(typeof(NDOTransientAttribute), false);
if (attributes.Length > 0)
{
continue;
}
if (StorableTypes.Contains(t))
{
string name = parent.Name + "." + fi.Name;
myEmbeddedTypes.Add(name);
if (!myPersistentFields.ContainsKey(name))
{
myPersistentFields.Add(name, fi);
}
}
}
}
private void AddValueType(FieldInfo parent)
{
Type t = parent.FieldType;
List <FieldInfo> publicFields = new List <FieldInfo>();
List <PropertyInfo> publicProps = new List <PropertyInfo>();
PropertyInfo[] pis = t.GetProperties(BindingFlags.Public | BindingFlags.Instance);
foreach (PropertyInfo pi in pis)
{
if (pi.CanRead && pi.CanWrite && StorableTypes.Contains(pi.PropertyType))
{
publicProps.Add(pi);
}
}
FieldInfo[] fis = t.GetFields(BindingFlags.Public | BindingFlags.Instance);
foreach (FieldInfo fi in fis)
{
if (StorableTypes.Contains(fi.FieldType))
{
publicFields.Add(fi);
}
}
if (publicProps.Count > 0 || publicFields.Count > 0)
{
foreach (PropertyInfo pi in publicProps)
{
myFields.Add(parent.Name + "." + pi.Name);
if (!myPersistentFields.ContainsKey(parent.Name + "." + pi.Name))
{
myPersistentFields.Add(parent.Name + "." + pi.Name, pi);
}
}
foreach (FieldInfo fi in publicFields)
{
myFields.Add(parent.Name + "." + fi.Name);
if (!myPersistentFields.ContainsKey(parent.Name + "." + fi.Name))
{
myPersistentFields.Add(parent.Name + "." + fi.Name, fi);
}
}
}
}
private void AnalyzeFields()
{
IList relations = new ArrayList();
var fis = this.classType.GetFields(BindingFlags.NonPublic | BindingFlags.Instance).Where(fi => !fi.IsInitOnly);
foreach (FieldInfo fi in fis)
{
string fname = fi.Name;
if (fname.StartsWith("_ndo"))
{
continue;
}
if (fi.FieldType.IsSubclassOf(typeof(System.Delegate)))
{
continue;
}
object[] attributes = fi.GetCustomAttributes(false);
bool cont = false;
foreach (System.Attribute attr in attributes)
{
if (attr is NDOTransientAttribute)
{
cont = true;
break;
}
if (attr is NDORelationAttribute)
{
this.relations.Add(new RelationNode(fi, (NDORelationAttribute)attr, this));
cont = true;
break;
}
}
if (cont)
{
continue;
}
// Field type is persistent - assume relation with element multiplicity.
if (typeof(IPersistenceCapable).IsAssignableFrom(fi.FieldType))
{
NDORelationAttribute nra = new NDORelationAttribute(fi.FieldType, RelationInfo.Default);
this.relations.Add(new RelationNode(fi, nra, this));
continue;
}
// Field is a collection - assume that it is either a relation or a transient field.
if (GenericIListReflector.IsGenericIList(fi.FieldType))
{
if (typeof(IPersistenceCapable).IsAssignableFrom(fi.FieldType.GetGenericArguments()[0]))
{
NDORelationAttribute nra = new NDORelationAttribute(fi.FieldType.GetGenericArguments()[0], RelationInfo.Default);
this.relations.Add(new RelationNode(fi, nra, this));
}
else
{
Console.WriteLine("Warning: The field " + this.name + "." + fi.Name + " is a generic collection to a nonpersistent type. NDO assumes, that this field is transient.");
}
continue;
}
if (!fi.FieldType.IsGenericParameter && fi.FieldType.IsClass && fi.FieldType != typeof(string) && fi.FieldType != typeof(byte[]))
{
this.embeddedTypes.Add(new EmbeddedTypeNode(fi));
}
else
{
FieldNode fn = new FieldNode(fi);
this.fields.Add(fn);
Type ft = fi.FieldType;
if (ft.IsValueType && !ft.IsEnum && !StorableTypes.Contains(ft))
{
ValueTypes.Instance.Add(new ValueTypeNode(ft));
}
}
}
// If there is more than one relation to the same target type
// without relation name, assign a relation name automatically
foreach (var group in this.relations.GroupBy(r => r.RelatedType))
{
if (group.Count() < 2)
{
continue;
}
int countWithoutName = 0;
foreach (var rel in group)
{
if (string.IsNullOrEmpty(rel.RelationName))
{
if (countWithoutName > 0)
{
string relname = rel.Name;
if (relname[0] == '<')
{
int q = relname.IndexOf('>');
if (q == -1)
{
q = relname.Length;
}
relname = relname.Substring(1, q - 1);
}
rel.RelationName = relname;
}
countWithoutName++;
}
}
}
}
private void AddFields(Type t)
{
int startind = myFields.Count;
if (!IsPersistentType(t))
{
return;
}
FieldInfo[] finfos = t.GetFields(BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.DeclaredOnly);
foreach (FieldInfo fi in finfos)
{
string fname;
if ((fname = fi.Name).StartsWith("_ndo"))
{
continue;
}
if (!fi.IsPrivate)
{
continue;
}
if (fi.IsInitOnly)
{
continue;
}
Type ft = fi.FieldType;
// Typen, die nicht speicherbar sind.
if (ft.IsInterface)
{
continue;
}
object[] attributes = fi.GetCustomAttributes(false);
bool cont = false;
foreach (System.Attribute attr in attributes)
{
string name;
if ((name = attr.GetType().Name) == "NDOTransientAttribute")
{
cont = true;
}
if (name == "NDORelationAttribute")
{
cont = true;
}
}
if (cont)
{
continue;
}
if (StorableTypes.Contains(ft))
{
this.myFields.Add(fname);
if (!myPersistentFields.ContainsKey(fname))
{
myPersistentFields.Add(fname, fi);
}
}
else if (ft.IsValueType)
{
AddValueType(fi);
}
else if (ft.IsClass)
{
AddEmbeddedType(fi);
}
// Alle anderen Fälle werden ignoriert
}
// Pro Klasse werden die Strings sortiert
// Sortiert wird ohne Länderberücksichtigung, sonst sortiert die
// Anwendung auf norwegischen Systemen anders als auf deutschen.
if (myFields.Count - startind > 0)
{
FieldSorter fs = new FieldSorter();
myFields.Sort(startind, myFields.Count - startind, fs);
}
}