/// <summary>
/// 为缓存设置更新指定的数据，先清空再添加
/// </summary>
/// <param name="values"></param>
private void UpdateByDifference(ScopeVersionList values)
{
UpdateTime(values);
if (values.Count > 0)
{
for (int i = 0, c = values.Count; i < c; i++)
{
var item = values[i] as ScopeVersion;
string classRegion = item.ClassRegion;
//在字典中找到对应ClassRegion的列表
List <ScopeVersion> oldVersions = null;
if (!this._regionValues.TryGetValue(classRegion, out oldVersions))
{
oldVersions = new List <ScopeVersion>();
this._regionValues.Add(classRegion, oldVersions);
}
//把Value的值更新到oldVersions列表中。
var oldItem = oldVersions.FirstOrDefault(v => v.ScopeClass == item.ScopeClass && v.ScopeId == item.ScopeId);
if (oldItem != null)
{
oldItem.Value = item.Value;
}
else
{
oldVersions.Add(item);
}
}
}
}
/// <summary>
/// 为缓存设置所有的数据
/// </summary>
/// <param name="values"></param>
private void SetAllValues(ScopeVersionList values)
{
UpdateTime(values);
var dic = values.AsEnumerable().Cast <ScopeVersion>()
.GroupBy(v => v.ClassRegion)
.ToDictionary(g => g.Key, g => g.ToList());
this._regionValues = new SortedDictionary <string, List <ScopeVersion> >(dic);
}
/// <summary>
/// 更新两个时间戳
/// </summary>
/// <param name="values"></param>
private void UpdateTime(ScopeVersionList values)
{
this._localTime = DateTime.Now;
this._serverTime = values.ServerTime;
}