// 反序列化单个实体
T DeserializeSingle <T>()
{
object prevLine = null;
bool isThisLine = false;
T result = default(T);
int index = 0;
var deserializer = new TypeDeserializer_Internal(_context, _reader, _map, typeof(T));
while (_reader.Read())
{
object model = deserializer.Deserialize(prevLine, out isThisLine);
if (!isThisLine)
{
prevLine = model;
if (index != 0)
{
break;
}
else
{
result = (T)model;
index += 1;
}
}
}
return(result);
}
// 反序列化实体集合
T DeserializeCollection <T>()
{
object prevLine = null;
bool isThisLine = false;
var typeRuntime = TypeRuntimeInfoCache.GetRuntimeInfo <T>();
var modelType = typeRuntime.GenericArguments[0];
var addMember = typeRuntime.GetMember("Add");
var collection = typeRuntime.Constructor.Invoke();
var deserializer = new TypeDeserializer_Internal(_context, _reader, _map, modelType);
while (_reader.Read())
{
object model = deserializer.Deserialize(prevLine, out isThisLine);
if (!isThisLine)
{
prevLine = model;
addMember.Invoke(collection, model);
}
}
// 返回结果
return((T)collection);
}
/// <summary>
/// 反序列化实体集合
/// <para>
/// 适用于自增列与结果集混合输出的场景
/// </para>
/// </summary>
public List <T> Deserialize <T>(out List <int> identitys)
{
bool isThisLine = false;
object prevLine = null;
List <T> collection = null;
identitys = null;
TypeDeserializer_Internal deserializer = null;
TypeDeserializer_Internal deserializer2 = null;
bool isAutoIncrement = false;
bool readedName = false;
while (_reader.Read())
{
if (!isAutoIncrement && !readedName)
{
isAutoIncrement = _reader.GetName(0) == AppConst.AUTO_INCREMENT_NAME;
readedName = true;
}
if (isAutoIncrement)
{
// 输出自增列
if (deserializer2 == null)
{
deserializer2 = new TypeDeserializer_Internal(_context, _reader, null, typeof(int));
}
if (identitys == null)
{
identitys = new List <int>(1);
}
object model = deserializer2.Deserialize(prevLine, out isThisLine);
identitys.Add((int)model);
}
else
{
// 输出指定类型实体
if (typeof(T) == typeof(None))
{
collection = new List <T>(0);
}
else
{
if (deserializer == null)
{
deserializer = new TypeDeserializer_Internal(_context, _reader, _map, typeof(T));
}
object model = deserializer.Deserialize(prevLine, out isThisLine);
if (!isThisLine)
{
if (collection == null)
{
collection = new List <T>();
}
collection.Add((T)model);
prevLine = model;
}
}
}
}
// 返回结果
return(collection);
}
