/// <summary>
/// 复制对象
/// </summary>
/// <returns></returns>
public new ManyToStructureType Clone()
{
ManyToStructureType obj = new ManyToStructureType();
obj.Property = Property;
obj.ClassName = ClassName;
obj.PropertyToColumn = new Collection <StructPropertyMap>();
foreach (StructPropertyMap map in PropertyToColumn)
{
obj.PropertyToColumn.Add(map.Clone());
}
return(obj);
}
private static void SetColumnValueFromStruct(DataRow targetRow, object obj, PropertyInfo[] properties, ManyToStructureType structure, Dictionary <string, string> colMaps)
{
if ((structure.PropertyToColumn == null) ||
(structure.PropertyToColumn.Count == 0))
{
throw new ArgumentNullException();
}
object objStruct = GetPropertyValue(obj, properties, structure.Property);
if (objStruct == null)
{
return;
}
Type objType = objStruct.GetType();
PropertyInfo[] structProps = GetProperties(objType);
string trueColumn;
object objValue;
foreach (StructPropertyMap structMap in structure.PropertyToColumn)
{
trueColumn = GetTrueColumn(structMap.Column, colMaps);
objValue = GetPropertyValue(objStruct, structProps, structMap.Property);
if ((!String.IsNullOrEmpty(structMap.ActualProperty)) && (objValue != null))
{
objValue = GetPropertyValue(objValue
, objValue.GetType().GetProperties()
, structMap.ActualProperty);
}
SetDataColumnValue(targetRow, trueColumn, objValue);
}
}
private static void SetPropertyValueOfStruct(object obj, PropertyInfo[] properties, DataRow sourceRow, ManyToStructureType structure, Dictionary <string, ColumnToColumn> colMaps)
{
if ((structure.PropertyToColumn == null) ||
(structure.PropertyToColumn.Count == 0))
{
throw new ArgumentNullException();
}
// 取得构造函数的信息，创建实例
Type objType = Type.GetType(EOPNameSpace + structure.ClassName);
ConstructorInfo[] ctors = GetConstructors(objType);
ParameterInfo[] ctorParameters;
object objValue;
if (ctors != null)
{
object[] attrs;
foreach (ConstructorInfo ctor in ctors)
{
attrs = ctor.GetCustomAttributes(false);
if (CheckSpecialAttribute(attrs, MethodSpecialKind.DefaultCtor))
{
ctorParameters = ctor.GetParameters();
object[] values = new object[structure.PropertyToColumn.Count];
int index = 0;
object colValue;
for (; index < structure.PropertyToColumn.Count; index++)
{
if (String.IsNullOrEmpty(structure.PropertyToColumn[index].Column))
{
objValue = ConvertObjectValueBaseOnTrueType(
structure.PropertyToColumn[index].DefaultValue
, ctorParameters[index].ParameterType);
}
else
{
colValue = GetTargetColumnValue(sourceRow, structure.PropertyToColumn[index].Column, colMaps);
if (colValue == null)
{
break;
}
else
{
objValue = ConvertObjectValueBaseOnTrueType(colValue, ctorParameters[index].ParameterType);
}
}
values[index] = objValue;
}
if (index == structure.PropertyToColumn.Count)
{
Object structureObj = ctor.Invoke(values);
SetPropertyValue(obj, properties, structureObj, structure.Property);
}
break;
}
}
}
}
