private object EmptyClone(IReplicationProviderInside sourceProvider, object obj)
{
if (obj == null)
{
return(null);
}
IReflectClass claxx = ReflectClass(obj);
if (_reflector.IsValueType(claxx))
{
throw new Exception("IllegalState");
}
// if (claxx.isArray()) return arrayClone(obj, claxx, sourceProvider); //Copy arrayClone() from GenericReplicationSession if necessary.
if (claxx.IsArray())
{
throw new Exception("IllegalState");
}
//Copy arrayClone() from GenericReplicationSession if necessary.
if (_collectionHandler.CanHandleClass(claxx))
{
return(CollectionClone(sourceProvider, obj, claxx));
}
object result = claxx.NewInstance();
if (result == null)
{
throw new Exception("Unable to create a new instance of " + obj.GetType());
}
//FIXME Use db4o's standard for throwing exceptions.
return(result);
}
public virtual object NewInstance()
{
if (_delegate != null)
{
return(_delegate.NewInstance());
}
return(new GenericObject(this));
}
public Prototype(Prototypes _enclosing, IReflectClass claxx)
{
this._enclosing = _enclosing;
this._object = (object)claxx.NewInstance();
if (this._object == null)
{
throw new PrototypesException("Prototype could not be created for class " + claxx
.GetName());
}
this.Analyze(this._object, claxx, this._enclosing._recursionDepth, null);
}
private object NewInstance(Type clazz)
{
IReflectClass classReflector = Reflector().ForClass(clazz);
object obj = classReflector.NewInstance();
if (obj == null)
{
throw new ArgumentException("No usable constructor for Class " + clazz);
}
return(obj);
}
public void Apply(object field)
{
if (((IReflectField)field).IsStatic())
{
return;
}
if (this._enclosing._enclosing._ignoreTransient && ((IReflectField)field).IsTransient
())
{
return;
}
IReflectClass fieldType = ((IReflectField)field).GetFieldType();
List4 path = new List4(parentPath, ((IReflectField)field));
Prototypes.IntegerConverter converter = Prototypes.IntegerConverterforClassName(claxx
.Reflector(), fieldType.GetName());
if (converter != null)
{
int id = ++this._enclosing.intIdGenerator;
object integerRepresentation = converter.FromInteger(id);
if (!Prototypes.TrySetField(((IReflectField)field), @object, integerRepresentation
))
{
return;
}
this._enclosing._fieldsByIntId.Put(id, new Pair(integerRepresentation, path));
return;
}
if (!fieldType.IsPrimitive())
{
object identityInstance = fieldType.NewInstance();
if (identityInstance == null)
{
return;
}
if (!Prototypes.TrySetField(((IReflectField)field), @object, identityInstance))
{
return;
}
this._enclosing._fieldsByIdentity.Put(identityInstance, path);
this._enclosing.Analyze(identityInstance, claxx, depth - 1, path);
}
}
public Prototype(Prototypes _enclosing, IReflectClass claxx)
{
this._enclosing = _enclosing;
this._object = (object)claxx.NewInstance();
if (this._object == null)
{
throw new PrototypesException("Prototype could not be created for class " + claxx
.GetName());
}
this.Analyze(this._object, claxx, this._enclosing._recursionDepth, null);
}