public IUpdateBuilder <T> UpdateBuilder <T>()
{
string entityName = typeof(T).Name;
string key = string.Format("IUpdateBuilder_{0}", entityName);
object value = null;
if (!dicBuilder.TryGetValue(key, out value))
{
value = new UpdateBuilder <T>(dalInfo, GetKeyName(entityName), this);
dicBuilder.Add(key, value);
}
return((UpdateBuilder <T>)value);
}
public IUpdateBuilder <T> UpdateBuilder <T>()
{
string entityName = typeof(T).Name;
if (Thread.CurrentThread.ManagedThreadId != this.initThreadId)
{
return(new UpdateBuilder <T>(dalInfo, GetKeyName(entityName)));
}
string key = string.Format("IUpdateBuilder_{0}", entityName);
object value = null;
if (!dicBuilder.TryGetValue(key, out value))
{
value = new UpdateBuilder <T>(dalInfo, GetKeyName(entityName));
dicBuilder.Add(key, value);
}
return((UpdateBuilder <T>)value);
}
private void AddUpdateObject(string keyName, T entity, Set_ updateSet, params string[] excludeColumns)
{
UpdateObject updateObject = new UpdateBuilder <T> .UpdateObject();
if (keyName != null && keyName.Trim().Length > 0)
{
Dictionary <string, object> dit = new Dictionary <string, object>();
Where_ tempWhere = new Where_();
object[] objs = null;
PropertyInfo [] pis = typeof(T).GetProperties();
bool isKeyValueNull = true; // 主键值是否为null
for (int i = 0; i < pis.Length; i++)
{
if (excludeColumns != null && excludeColumns.Length > 0)
{
bool isExclude = false;
foreach (string excludeColumn in excludeColumns)
{
if (pis[i].Name.ToLower() == excludeColumn.Trim().ToLower())
{
isExclude = true;
break;
}
}
if (isExclude)
{
continue;
}
}
// 排除只显示列
objs = pis[i].GetCustomAttributes(false);
if (objs != null && objs.Length > 0)
{
EntityAttribute cusatt = (EntityAttribute)objs[0];
if (cusatt.DisplayOnly)
{
continue;
}
}
object value = pis[i].GetValue(entity, null);
if (value == null)
{
continue;
}
if (pis[i].Name.ToLower() == keyName.Trim().ToLower())
{
isKeyValueNull = false;
tempWhere.Equal(keyName, value);
continue;
}
dit.Add(pis[i].Name, value);
}
if (isKeyValueNull)
{
throw new Exception(string.Format("属性{0}的值不能为null", keyName));
}
updateObject.Where = tempWhere;
updateObject.DitUpdateInfo = dit;
}
else if (updateSet != null)
{
updateObject.DitUpdateInfo = updateSet.DitUpdateInfo;
updateObject.Where = updateSet.MyWhere;
}
if (tranBuilder != null)
{
updateObject.CmdIndex = tranBuilder.GetCmdTextsCount();
// 在集合中站位，等创建脚本的时候再将内容填充
tranBuilder.AddCommondType(CommandType.Text);
tranBuilder.AddCmdText(null);
tranBuilder.AddCmdParam(null);
}
else
{
// 不是事务操作时，一次只操作一条语句
this.listUpdateObject.Clear();
updateObject.CmdIndex = listUpdateObject.Count;
}
this.listUpdateObject.Add(updateObject);
}