/// <summary>
/// 保存数据。
/// 默认的表名就是类名， 若T类型上有指定的表名，则以此为准
/// 默认的自增列为Id，若T类型上有指定的自增列， 则以此为准。
/// 若value中的标识列大于0， 则修改。 若小于等于0， 则新增。
/// 注：主键为int
/// </summary>
/// <typeparam name="T">类型</typeparam>
/// <param name="value">类型值</param>
/// <returns>新增则返回自增列， 修改则返回本身标示列值。</returns>
public int Save <T>(T value) where T : class
{
ThrowExceptionUtil.ArgumentNotNull(value, "value");
string identityColumnName = OrmUtil.GetIdentityColumnName <T>();
string tableName = OrmUtil.GetTableName <T>();
EntityProxy <T> entityProxy = EntityProxyManager.Instance.GetEntityProxy <T>();
object identity = entityProxy.GetPropertyValue(value, identityColumnName);
ThrowExceptionUtil.ArgumentConditionTrue(identity != null, string.Empty, "未指定主键列");
if ((int)identity <= 0)
{
return(Insert <T>(value));
}
else
{
BeeDataAdapter dataAdapter = BeeDataAdapter.From <T>(value);
dataAdapter.RemoveKey(identityColumnName);
Update(tableName, dataAdapter, SqlCriteria.New.Equal(identityColumnName, identity));
return((int)identity);
}
}
/// <summary>
/// Get the property value of the instance.
/// </summary>
/// <typeparam name="T">the type of instance.</typeparam>
/// <param name="src">the instance.</param>
/// <param name="propertyName">the property name. ignore the case sensitive.</param>
public static object GetPropertyValue <T>(T src, string propertyName)
where T : class
{
EntityProxy <T> proxy = EntityProxyManager.Instance.GetEntityProxy <T>();
return(proxy.GetPropertyValue(src, propertyName));
}
private void CreateIndexValue(List <T> list)
{
IList indexList = GetIndexList();
if (indexList == null)
{
return;
}
TypeCode typeCode = Type.GetTypeCode(indexMeta.PropertyType);
foreach (T item in list)
{
switch (typeCode)
{
case TypeCode.Int32:
indexList.Add(new IntIndexValue <T>()
{
IndexValue = (int)(proxy.GetPropertyValue(item, indexMeta.PropertyName))
, Value = item
});
break;
case TypeCode.Int64:
indexList.Add(new LongIndexValue <T>()
{
IndexValue = (long)(proxy.GetPropertyValue(item, indexMeta.PropertyName)),
Value = item
});
break;
case TypeCode.DateTime:
indexList.Add(new LongIndexValue <T>()
{
IndexValue = ((DateTime)(proxy.GetPropertyValue(item, indexMeta.PropertyName))).Ticks,
Value = item
});
break;
case TypeCode.String:
indexList.Add(new StringIndexValue <T>()
{
IndexValue = (string)(proxy.GetPropertyValue(item, indexMeta.PropertyName)),
Value = item
});
break;
}
}
switch (typeCode)
{
case TypeCode.Int32:
List <IntIndexValue <T> > intIndexList = indexList as List <IntIndexValue <T> >;
intIndexList.Sort(IntIndexValue <T> .Comparison);
break;
case TypeCode.Int64:
case TypeCode.DateTime:
List <LongIndexValue <T> > longIndexList = indexList as List <LongIndexValue <T> >;
longIndexList.Sort(LongIndexValue <T> .Comparison);
break;
case TypeCode.String:
List <StringIndexValue <T> > stringIndexList = indexList as List <StringIndexValue <T> >;
stringIndexList.Sort(StringIndexValue <T> .Comparison);
break;
}
}