public static MapResult <TEntity> Map <TEntity>(IRowDataSource dataSource)
{
return(Provider.Map <TEntity>(dataSource));
}
public abstract MapResult <TEntity> Map <TEntity>(IRowDataSource dataSource);
// Methods
public override MapResult <TEntity> Map <TEntity>(IRowDataSource dataSource)
{
Type entityType = typeof(TEntity);
TEntity entity = (TEntity)Activator.CreateInstance(entityType);
PropertyMapCollection pmc = MapBuilder.GetPropertyMaps(entityType);
MapResult <TEntity> mapResult = new MapResult <TEntity>(entity);
foreach (string columanName in dataSource)
{
MapResultItem resultItem = mapResult.Items[columanName];
resultItem.Status = MapResultItemStatus.Fail;
object target = entity;
object subTarget = null;
PropertyMap map = pmc[columanName];
if (map == null)
{
resultItem.Status = MapResultItemStatus.PropertyNotMatch;
}
else
{
try
{
if (map.KeyParts.Count >= 2)
{
for (int i = 0; i < (map.KeyParts.Count - 1); i++)
{
PropertyMap subMap = pmc[map.KeyParts[i]];
if (subMap == null)
{
continue;
}
subTarget = subMap.Property.GetValue(target);
if (subTarget == null)
{
subTarget = Activator.CreateInstance(subMap.Property.PropertyType);
subMap.Property.SetValue(target, subTarget);
}
target = subTarget;
}
}
var dataValue = dataSource[columanName];
resultItem.OriginalValue = dataValue == DBNull.Value ? null : dataValue;
object mappedValue = map.Property.SetValue(target, resultItem.OriginalValue);
resultItem.MappedValue = mappedValue;
resultItem.Status = MapResultItemStatus.Success;
}
catch (Exception ex)
{
resultItem.Status = MapResultItemStatus.Fail;
resultItem.Error = ex;
throw new DataMappingException(
"Column:{0} ColumnType:{1} Fail Mapping To EntityProperty:{2} PropertyType:{3}".FormatWith(
columanName,
resultItem.OriginalValue.GetType(),
map.Key,
map.Property.PropertyType),
ex);
}
}
}
return(mapResult);
}
