//初始化数据项
/// <summary>
/// 初始化数据项
/// </summary>
/// <param name="key"></param>
/// <param name="storedData"></param>
private static string InitStoredDataItem(string key, StoredDataInfo<T> storedData)
{
lock (lockObj)
{
if (EntireStoredData.ContainsKey(key))
{
return "key:" + key + " 已存在";
}
EntireStoredData.Add(key, storedData);
}
return "";
}
// 获取指定key的数据项
/// <summary>
/// 获取指定key的数据项
/// </summary>
/// <param name="key"></param>
/// <param name="isForcedRefresh">是否强制更新</param>
/// <returns></returns>
public static T GetData(string key, bool isForcedRefresh = false)
{
//不存在key
if (!HasKey(key))
{
#region
string currKeys = "";
string currTType = "";
lock (lockObj)
{
if (EntireStoredData.Any())
{
currKeys = string.Join(",", EntireStoredData.Keys.ToArray());
var v = EntireStoredData.First().Value.Data;
currTType = v.GetType().ToString();
}
}
throw new Exception(string.Format("无指定key：{0}，当前池包含key集合{1}，当前池类型：{2}", key, currKeys, currTType));
#endregion
}
//根据key获取value
StoredDataInfo<T> sdi = EntireStoredData[key];
//判断是否过期
int timeOfDuration = sdi.TimeOfDuration;
DateTime lastModifyTime = sdi.LastModifyTime;
if (!isForcedRefresh && DateTime.Now.AddMinutes(-timeOfDuration) <= lastModifyTime)
return sdi.Data;
//重新更新数据
sdi.Data = sdi.GetDataMethod();
sdi.LastModifyTime = DateTime.Now;
return sdi.Data;
}
