/// <summary>POCO型を、POCO型にマップ</summary>
/// <typeparam name="TSource">srcのPOCO型</typeparam>
/// <typeparam name="TDestination">dstのPOCO型</typeparam>
/// <param name="src">srcのPOCOインスタンス</param>
/// <param name="dst">dstのPOCOインスタンス(null可)</param>
/// <param name="map">Dictionary(dst property or field string, src property or field string)</param>
/// <returns>TDestination型のPOCO</returns>
public static TDestination Map <TSource, TDestination>(TSource src, TDestination dst, Dictionary <string, string> map)
{
// POCOのnew()
if (dst == null)
{
dst = InstanceCreator <TDestination> .Factory();
}
AccessorCacher.CacheAccessor(dst); // dstの型
AccessorCacher.CacheAccessor(src); // srcの型
// dst
foreach (AccessorInfo dst_ai in AccessorCacher.CncDic[dst.GetType()])
{
string dstName = dst_ai.AccessorName;
string srcName = "";
// マップの有無
if (map == null)
{
// マップ無
srcName = dstName;
}
else
{
// マップ有
if (map.ContainsKey(dstName))
{
// 値あり
srcName = map[dstName];
}
else
{
// 値なし
srcName = dstName;
}
}
// src
foreach (AccessorInfo src_ai in AccessorCacher.CncDic[src.GetType()])
{
if (srcName == src_ai.AccessorName)
{
dst_ai.SetDelegate(dst, src_ai.GetDelegate(src));
}
}
}
return(dst);
}
/// <summary>POCO型を、POCO型にマップ</summary>
/// <typeparam name="TSource">srcのPOCO型</typeparam>
/// <typeparam name="TDestination">dstのPOCO型</typeparam>
/// <param name="src">srcのPOCOインスタンス</param>
/// <returns>TDestination型のPOCO</returns>
public static TDestination Map <TSource, TDestination>(TSource src)
{
return(PocoToPoco.Map <TSource, TDestination>(src, InstanceCreator <TDestination> .Factory(), null));
}
/// <summary>POCO型を、POCO型にマップ</summary>
/// <typeparam name="TSource">srcのPOCO型</typeparam>
/// <typeparam name="TDestination">dstのPOCO型</typeparam>
/// <param name="src">srcのPOCOインスタンス</param>
/// <param name="map">Dictionary(dst property or field string, src property or field string)</param>
/// <returns>TDestination型のPOCO</returns>
public static TDestination Map <TSource, TDestination>(TSource src, Dictionary <string, string> map)
{
return(PocoToPoco.Map <TSource, TDestination>(src, InstanceCreator <TDestination> .Factory(), map));
}
/// <summary>DataReaderからPOCOに変換する。</summary>
/// <typeparam name="T">POCOの型</typeparam>
/// <param name="dr">IDataReader</param>
/// <param name="map">Dictionary(poco property or field string, data field string)</param>
/// <returns>T型のPOCO</returns>
public static T DataReaderToPOCO <T>(IDataReader dr, Dictionary <string, string> map)
{
// drのDataTableスキーマ情報 .net coreで動かない。
//DataTable dt = dr.GetSchemaTable();
// https://stackoverflow.com/questions/373230/check-for-column-name-in-a-sqldatareader-object
HashSet <string> hs = PubCmnFunction.GetDataReaderColumnInfo(dr);
//PerformanceRecorder pr = new PerformanceRecorder();
//pr.StartsPerformanceRecord();
// POCOの型
T obj = default(T);
//obj = Activator.CreateInstance<T>();
obj = InstanceCreator <T> .Factory();
AccessorCacher.CacheAccessor(obj);
// IDataReader の既定の位置は、先頭のレコードの前
if (dr.Read())
{
// POCOのnew()
// InstanceCreator<T>.Factory()の性能測定の名残
//PerformanceRecorder pr = new PerformanceRecorder();
//pr.StartsPerformanceRecord();
//for (int i = 0; i < 1000; i++)
//{
obj = InstanceCreator <T> .Factory();
//}
//Debug.WriteLine(pr.EndsPerformanceRecord());
foreach (AccessorInfo ai_dst in AccessorCacher.CncDic[obj.GetType()])
{
string srcName = ai_dst.AccessorName;
// マップの有無
if (map == null)
{
// マップ無
}
else
{
// マップ有
if (map.ContainsKey(srcName))
{
// 値あり
srcName = map[srcName];
}
else
{
// 値なし
}
}
if (hs.Contains(srcName))
{
if (object.Equals(dr[srcName], DBNull.Value))
{
// DBNullの場合、指定しない。
}
else
{
// DBNullで無い場合、指定する（Nullable対応の型変換を追加）。
//prop.SetValue(obj, PubCmnFunction.ChangeType(dr[srcPropName], prop.PropertyType), null);
//ai.Delegate(obj, PubCmnFunction.ChangeType(dr[srcName], ai.Type));
object srcValue = dr[srcName];
object dstValue = null;
Type srcType = srcValue.GetType();
if (ai_dst.UnderlyingType == null)
{
// Nullableではない
if (srcType == ai_dst.AccessorType)
{
// 型一致の場合は変換不要
dstValue = srcValue;
}
else
{
dstValue = Convert.ChangeType(srcValue, ai_dst.AccessorType);
}
}
else
{
// Nullableである
if (srcType == ai_dst.AccessorType)
{
// 型一致の場合は変換不要
dstValue = srcValue;
}
else
{
// Convert.ChangeTypeの性能測定の名残
//PerformanceRecorder pr = new PerformanceRecorder();
//pr.StartsPerformanceRecord();
//for (int i = 0; i < 1000; i++)
//{
// Convert.ChangeType() doesn't handle nullables -> use UnderlyingType.
dstValue = (srcValue == null ? null : Convert.ChangeType(srcValue, ai_dst.UnderlyingType));
//}
//Debug.WriteLine(pr.EndsPerformanceRecord());
}
}
// AccessorInfo.SetDelegateの性能測定の名残
//PerformanceRecorder pr = new PerformanceRecorder();
//pr.StartsPerformanceRecord();
//for (int i = 0; i < 1000; i++)
//{
ai_dst.SetDelegate(obj, dstValue);
//}
//Debug.WriteLine(pr.EndsPerformanceRecord());
}
}
}
}
//Debug.WriteLine(pr.EndsPerformanceRecord());
return(obj);
}