private void setEntityParent(EntityPersistence entityChild)
{
PropertyInfo[] properties = EntityReflection.Instance.Properties(entityChild.GetType(), typeof(EntityParentAttribute));
if (properties.Length == 1)
{
properties[0].SetValue(entityChild, this, null);
}
else
if (properties.Length == 0)
{
throw new EntityParentException("Deve haver pelo menos um entity parent para o entity child " + entityChild.GetType().Name);
}
else
{
foreach (PropertyInfo prop in properties)
{
if (prop.PropertyType == this.GetType())
{
prop.SetValue(entityChild, this, null);
break;
}
}
}
}
private IList operationListChild(EntityPersistence entityChild, OperationListChild operation)
{
PropertyInfo[] properties = EntityReflection.Instance.Properties(this.GetType(), typeof(EntityListChildAttribute));
IList listEntity = null;
if (properties.Length > 0)
{
foreach (PropertyInfo property in properties)
{
if (EntityReflection.Instance.GetTypeEntityChild(property) == entityChild.GetType())
{
listEntity = property.GetValue(this, null) as IList;
if (listEntity != null)
{
if (operation == OperationListChild.Add)
{
listEntity.Add(entityChild);
setEntityParent(entityChild);
}
else
if (operation == OperationListChild.Remove)
{
listEntity.Remove(entityChild);
}
else
{
for (int i = 0; i < listEntity.Count; i++)
{
if ((listEntity[i] as EntityPersistence).Id == entityChild.Id)
{
listEntity[i] = entityChild;
break;
}
}
}
}
}
}
}
return(listEntity);
}
public void RollBackEdit(EntityPersistence entityClone, EntityPersistence entity)
{
if (entityClone == null)
{
throw new ArgumentNullException("RollBack() não funciona com a variável entityClone == null !");
}
if (entityClone.Id != entity.Id)
{
return;
}
PropertyInfo[] properties = entity.GetType().GetProperties();
object sourceValue;
MethodInfo setAccessor;
foreach (PropertyInfo property in properties)
{
setAccessor = property.GetSetMethod();
if (setAccessor != null)
{
if (property.PropertyType.Name != "IList")
{
EntityParentAttribute entityParentAttribute = EntityReflection.Instance.GetAttribute(property, typeof(EntityParentAttribute)) as EntityParentAttribute;
if (entityParentAttribute == null)
{
sourceValue = property.GetValue(entityClone, null);
property.SetValue(entity, sourceValue, null);
}
}
else
{
IList entityClonePropertyValueList = property.GetValue(entityClone, null) as IList;
IList entityPropertyValueList = property.GetValue(entity, null) as IList;
if (entityClonePropertyValueList.Count == 0)
{
entityPropertyValueList.Clear();
}
else
{
// Se foi adicionado um item novo, então remova-o !
Array tempEntityPropertyValueList = System.Array.CreateInstance(typeof(EntityPersistence), entityPropertyValueList.Count);
entityPropertyValueList.CopyTo(tempEntityPropertyValueList, 0);
foreach (EntityPersistence entityChild in tempEntityPropertyValueList)
{
if (entityChild.Id == -2)
{
entityPropertyValueList.Remove(entityChild);
}
}
// Se foi alterado algum item da lista, então retorna os valores anteriores
// Se foi excluído algum item, então readiciona este item
bool execRollBack;
foreach (EntityPersistence entityCloneChild in entityClonePropertyValueList)
{
execRollBack = false;
foreach (EntityPersistence entityChild in entityPropertyValueList)
{
if (entityCloneChild.Id == entityChild.Id)
{
RollBackEdit(entityCloneChild, entityChild);
execRollBack = true;
break;
}
}
if (!execRollBack)
{
entityPropertyValueList.Add(entityCloneChild);
}
}
}
}
}
}
}
