public Object getValue()
{
Variate rst = new SQLer().getVariate(getCommand(), _tran);
if (rst == null)
{
return(null);
}
else
{
return(rst.getValue());
}
}
/*执行命令（返回符合条件的第一个值）*/
public Variate getVariate(Action <CacheUsing, Variate> cacheCondition)
{
Variate rst;
if (_cache == null)
{
rst = new SQLer().getVariate(getCommand(), _tran);
}
else
{
_cache.usingCache(cacheCondition);
rst = _cache.get(this.getWeedKey(), () => (new SQLer().getVariate(getCommand(), _tran)));
}
if (rst == null)
{
return(new Variate());
}
else
{
return(rst);
}
}
public DataItem getDataItem(Action <CacheUsing, DataList> cacheCondition)
{
DataItem rst;
if (_cache == null)
{
rst = new SQLer().getRow(getCommand(), _tran);
}
else
{
_cache.usingCache(cacheCondition);
rst = _cache.get(this.getWeedKey(), () => (new SQLer().getRow(getCommand(), _tran)));
}
if (rst == null)
{
return(new DataItem());
}
else
{
return(rst);
}
}
/*执行命令（返回一个列表）*/
public List <T> getList <T>(T model, Action <CacheUsing, List <T> > cacheCondition) where T : class, IBinder
{
List <T> rst;
if (_cache == null)
{
rst = new SQLer().getList <T>(model, getCommand(), _tran);
}
else
{
_cache.usingCache(cacheCondition);
rst = _cache.get(this.getWeedKey(), () => (new SQLer().getList <T>(model, getCommand(), _tran)));
}
if (rst == null)
{
return(new List <T>());
}
else
{
return(rst);
}
}
/*执行命令（返回符合条件的第一个值）*/
public T getValue <T>(T def, Action <CacheUsing, T> cacheCondition)
{
Variate rst;
if (_cache == null)
{
rst = new SQLer().getVariate(getCommand(), _tran);
}
else
{
_cache.usingCache(cacheCondition);
rst = _cache.get(this.getWeedKey(), () => {
return(new SQLer().getVariate(getCommand(), _tran));
});
}
if (rst == null)
{
return(def);
}
else
{
return(rst.value(def));
}
}