private void RemoveObject(EntityId entityId, ISession session)
{
QueryParams <PersistentStorageItem> query = new QueryParams <PersistentStorageItem>(
new GroupCriteria(
new ArithmeticCriteria("id.systemId", entityId.SystemId),
new ArithmeticCriteria("id.deviceId", entityId.DeviceId),
new ArithmeticCriteria("id.id", entityId.Id)), 1);
IList <PersistentStorageItem> resultList = QueryHelper.Query <PersistentStorageItem>(session, query, LOG_QUERY);
PersistentStorageItem item = null;
if (resultList.Count == 0)
{
throw new Exception(String.Format("Unable to remove object. Id: {0}", entityId));
}
else
{
item = resultList[0];
ORMUtils.DeleteEntity(item, session);
}
}
private void SaveObject(EntityId entityId, T o, ISession session)
{
try
{
QueryParams <PersistentStorageItem> query = new QueryParams <PersistentStorageItem>(
new GroupCriteria(
new ArithmeticCriteria("id.systemId", entityId.SystemId),
new ArithmeticCriteria("id.deviceId", entityId.DeviceId),
new ArithmeticCriteria("id.id", entityId.Id)), 1);
IList <PersistentStorageItem> resultList = QueryHelper.Query <PersistentStorageItem>(session, query, LOG_QUERY);
PersistentStorageItem item = null;
if (resultList.Count == 0)
{
item = new PersistentStorageItem();
item.Id = entityId;
item.Version = new EntityVersion(mDeviceId);
}
else
{
item = resultList[0];
}
if (o == null)
{
item.EntryData = null;
}
else
{
using (MemoryStream ms = new MemoryStream())
{
SerializationHelper.Write <T>(o, ms, DataFormatter, CompressContent);
item.EntryData = ms.ToArray();
}
}
ORMUtils.SaveEntity(item, session);
}
catch (Exception ex)
{
throw new PersistenceException(String.Format("Unable to save object. Id: {0}", entityId), ex);
}
}
