public static void AppendModel(ModelBase item, out Exception e)
{
e = null;
try
{
ModelMapping mp = new ModelMapping(item.GetType());
ModelFactoryCollection.AppendModel(item, mp, out e);
if (e == null)
{
ModelCacheManager.Instance.Save(item);
}
else
{
return;
}
}
catch (Exception ex)
{
e = ex;
}
}
/// <summary>
/// 移除一个模型对象
/// </summary>
/// <param name="value">要移除的模型对象</param>
public virtual void Remove(ModelBase value)
{
Type type = value.GetType();
while (type != null)
{
ModelCollection modelCollection = this[type.Name];
if (modelCollection != null && modelCollection.Contains(value.Rid))
{
ModelBase model = modelCollection[value.Rid];
modelCollection.Remove(model);
modelCollection.RemoveAltKey(model);
}
if (modelCollection.ModelField.Parent != null)
{
type = modelCollection.ModelField.Parent.ModelType;
}
else
{
type = null;
}
}
}
/// <summary>
/// 存储一个模型对象，如果存根管理器中没有该对象则增加该对象
/// </summary>
/// <param name="value">要存储的模型对象</param>
public virtual void Save(ModelBase value)
{
Type type = value.GetType();
ModelCollection modelCollection = this[type];
if (modelCollection == null)
{
return;
}
if (modelCollection.Contains(value.Rid))
{
bool altKeyChanged = false;
ModelBase model = modelCollection[value.Rid];
if (model.AlternateKey != value.AlternateKey)
{
modelCollection.RemoveAltKey(model);
altKeyChanged = true;
}
ModelMapping mf = modelCollection.ModelField;
foreach (PropertyFieldPair pfp in mf.PropertyFields)
{
object obj = pfp.Property.GetValue(value, null);
pfp.Property.SetValue(model, obj, null);
}
while (mf.Parent != null)
{
foreach (PropertyFieldPair pfp in mf.Parent.PropertyFields)
{
object obj = pfp.Property.GetValue(value, null);
pfp.Property.SetValue(model, obj, null);
}
mf = mf.Parent;
}
if (altKeyChanged)
{
modelCollection.AddAltKey(value);
}
}
else
{
modelCollection.Add(value);
modelCollection.AddAltKey(value);
while (modelCollection.ModelField.Parent != null)
{
modelCollection = this[modelCollection.ModelField.Parent.ModelType];
if (modelCollection.Contains(value.Rid))
{
ModelBase model = modelCollection[value.Rid];
ModelMapping mf = modelCollection.ModelField;
foreach (PropertyFieldPair pfp in mf.PropertyFields)
{
object obj = pfp.Property.GetValue(model, null);
pfp.Property.SetValue(value, obj, null);
}
modelCollection.Remove(value.Rid);
modelCollection.RemoveAltKey(value);
}
modelCollection.Add(value);
modelCollection.AddAltKey(value);
type = type.BaseType;
}
}
}
