/// <summary>
/// 分析变动实体的变动属性
/// </summary>
/// <param name="difference"></param>
/// <returns></returns>
private ChangeEntryPropertys ResolveChangeEntryPropertys(Difference difference)
{
ChangeEntryPropertys change = new ChangeEntryPropertys();
change.NewestValue = difference.Object2Value;
change.OriginalValue = difference.Object1Value;
change.Name = difference.PropertyName.Substring(difference.PropertyName.LastIndexOf(".") + 1);
return(change);
}
public IChangeManager Create(ComparisonResult comparisonResult)
{
changeManager.ClearChanger();
if (comparisonResult.AreEqual)
{
return(changeManager);
}
//根据实体与快照的差异进行分析实体的变动
foreach (var difference in comparisonResult.Differences)
{
ChangeEntry change = this.ResolveChangeEntry(difference);
if (change.Type == ChangeEntryType.Addition || change.Type == ChangeEntryType.Remove)
{
this.changeManager.AddChanger(change);
if (change.Type == ChangeEntryType.Addition)
{
//如果为新增类型，需要进一步分析实体中的值对象
var values = this.ResolveChangeObjectValue(change);
foreach (var item in values)
{
this.changeManager.AddChanger(item);
}
}
}
else
{
var change2 = this.changeManager.GetChanger(change.NewestEntry);
if (change2 == null)
{
this.changeManager.AddChanger(change);
change2 = change;
}
//解析修改的字段
ChangeEntryPropertys changeProperty = this.ResolveChangeEntryPropertys(difference);
change2.ChangePropertys.Add(changeProperty);
}
}
return(changeManager);
}