/// <summary>
/// 获取本地缓存的标识
/// </summary>
public static CacheIdentify GetCacheIdentify(string cacheName)
{
CacheIdentify cacheId = new CacheIdentify();
if (_localCache.Contains(cacheName))
{
CacheObject co = _localCache.GetData(cacheName) as CacheObject;
cacheId.ServerIdentify = co.ServerIdentify;
cacheId.cachename = co.cachename;
cacheId.identify = co.identify;
cacheId.keytimestamps = new Dictionary <string, double>();
foreach (var cd in co.cacheValue)
{
cacheId.keytimestamps.Add(cd.key, cd.timestamp);
}
}
return(cacheId);
}
/// <summary>
/// 比较后不同的标识
/// </summary>
/// <returns></returns>
public static CacheIdentify CompareCache(CacheIdentify _cacheId)
{
CacheIdentify cacheId = new CacheIdentify();
cacheId.ServerIdentify = _cacheId.ServerIdentify;
cacheId.cachename = _cacheId.cachename;
cacheId.identify = _cacheId.identify;
cacheId.keytimestamps = new Dictionary <string, double>();
//自己跟自己比较返回空
if (_cacheId.ServerIdentify == WcfServerManage.Identify)
{
return(cacheId);
}
if (_localCache.Contains(_cacheId.cachename))
{
CacheObject co = _localCache.GetData(_cacheId.cachename) as CacheObject;
if (_cacheId.identify != co.identify)
{
//循环判断待同步的新增和修改，本地时间搓小于远程时间搓就修改
foreach (var t in _cacheId.keytimestamps)
{
//新增的
if (co.cacheValue.FindIndex(x => (x.key == t.Key)) == -1)
{
cacheId.keytimestamps.Add(t);
}
//修改的
if (co.cacheValue.FindIndex(x => (x.key == t.Key && t.Value > x.timestamp)) > -1)
{
cacheId.keytimestamps.Add(t);
}
}
//循环判断本地的删除，本地时间搓小于远程identify的就会删除
//删除是打删除标记，所以不存在移除，都进入修改列表
}
return(cacheId);
}
else
{
return(_cacheId);
}
}
/// <summary>
/// 同步指定缓存给上级中间件
/// </summary>
/// <param name="cacheName"></param>
public static void SyncCache(string cacheName)
{
if (WcfServerManage.superclient != null)
{
CacheIdentify cacheId = GetCacheIdentify(cacheName);
if (cacheId.keytimestamps != null && cacheId.keytimestamps.Count > 0)
{
cacheId = WcfServerManage.superclient.DistributedCacheSyncIdentify(cacheId);
}
CacheObject cache = GetStayLocalCache(cacheId);
if (cache.cacheValue != null && cache.cacheValue.Count > 0)
{
//缓存同步到上级中间件
WcfServerManage.superclient.DistributedCacheSync(cache);
//缓存还要同步到所有下级中间件
DistributedCacheManage.SyncCache(cache);
}
}
}
/// <summary>
/// 获取待同步的缓存
/// </summary>
/// <returns></returns>
public static CacheObject GetStayLocalCache(CacheIdentify identify)
{
CacheObject _co = new CacheObject();
if (_localCache.Contains(identify.cachename))
{
CacheObject co = _localCache.GetData(identify.cachename) as CacheObject;
_co.ServerIdentify = co.ServerIdentify;
_co.cachename = co.cachename;
_co.identify = co.identify;
_co.cacheValue = new List <CacheData>();
foreach (var kt in identify.keytimestamps)
{
CacheData cd = co.cacheValue.Find(x => x.timestamp == kt.Value);
if (cd != null)
{
_co.cacheValue.Add(cd);
}
}
}
return(_co);
}
public ServerController.CacheIdentify DistributedCacheSyncIdentify(ServerController.CacheIdentify cacheId)
{
return(EFWCoreLib.WcfFrame.ServerController.DistributedCacheManage.CompareCache(cacheId));
}