/// <summary>
/// 构造函数
/// </summary>
private DNTCache()
{
if (MemCachedConfigs.GetConfig() != null && MemCachedConfigs.GetConfig().ApplyMemCached)
{
applyMemCached = true;
}
if (RedisConfigs.GetConfig() != null && RedisConfigs.GetConfig().ApplyRedis)
{
applyRedis = true;
}
if (applyMemCached || applyRedis)
{
try
{
cs = cachedStrategy = (ICacheStrategy)Activator.CreateInstance(Type.GetType("Discuz.EntLib." + (applyMemCached ? "MemCachedStrategy" : "RedisStrategy") + ", Discuz.EntLib", false, true));
}
catch
{
throw new Exception("请检查Discuz.EntLib.dll文件是否被放置在bin目录下并配置正确");
}
}
else
{
cs = new DefaultCacheStrategy();
objectXmlMap = rootXml.CreateElement("Cache");
//建立内部XML文档.
rootXml.AppendChild(objectXmlMap);
}
}
/// <summary>
/// 返回指定ID的对象
/// </summary>
/// <param name="objId"></param>
/// <returns></returns>
public override object RetrieveObject(string objId)
{
object obj = base.RetrieveObject(objId);
if (obj == null)
{
using (IRedisClient Redis = RedisManager.GetClient())
{
obj = new ObjectSerializer().Deserialize(Redis.Get <byte[]>(objId));
if (obj != null && !objId.StartsWith("/Forum/ShowTopic/")) //对ShowTopic页面缓存数据不放到本地缓存
{
if (objId.StartsWith("/Forum/ShowTopicGuestCachePage/")) //对游客缓存页面ShowTopic数据缓存设置有效时间
{
base.TimeOut = GeneralConfigs.GetConfig().Guestcachepagetimeout * 60;
}
if (objId.StartsWith("/Forum/ShowForumGuestCachePage/"))//对游客缓存页面ShowTopic数据缓存设置有效时间
{
base.TimeOut = RedisConfigs.GetConfig().CacheShowForumCacheTime * 60;
}
else
{
base.TimeOut = LocalCacheTime;
}
base.AddObject(objId, obj, TimeOut);
}
}
}
return(obj);
}
/// <summary>
/// 构造函数
/// </summary>
private DNTCache()
{
if (MemCachedConfigs.GetConfig() != null && MemCachedConfigs.GetConfig().ApplyMemCached)
{
applyMemCached = true;
}
if (RedisConfigs.GetConfig() != null && RedisConfigs.GetConfig().ApplyRedis)
{
applyRedis = true;
}
if (LLServerConfigs.GetConfig() != null && LLServerConfigs.GetConfig().ApplyLLServer)
{
applyLLServer = true;
}
if (applyMemCached || applyRedis || applyLLServer)
{
try
{
string cacheStratetyName;
if (applyMemCached)
{
cacheStratetyName = "MemCachedStrategy";
}
else if (applyRedis)
{
cacheStratetyName = "RedisStrategy";
}
else
{
cacheStratetyName = "LLStrategy";
}
cs = cachedStrategy = (ICacheStrategy)Activator.CreateInstance(Type.GetType("Discuz.EntLib." + cacheStratetyName + ", Discuz.EntLib", false, true));
}
catch
{
throw new Exception("请检查Discuz.EntLib.dll文件是否被放置在bin目录下并配置正确");
}
}
else
{
cs = new DefaultCacheStrategy();
if (rootXml.HasChildNodes)
{
rootXml.RemoveAll();
}
objectXmlMap = rootXml.CreateElement("Cache");
//建立内部XML文档.
rootXml.AppendChild(objectXmlMap);
}
}
/// <summary>
/// 获取主题所包含的Tag
/// </summary>
/// <param name="topicid">主题Id</param>
/// <returns>List</returns>
public static List <TagInfo> GetTagsListByTopic(int topicid)
{
List <TagInfo> tabInfoList = null;
//只有在开启memcached时才会缓存tag标签
if ((MemCachedConfigs.GetConfig() != null && MemCachedConfigs.GetConfig().ApplyMemCached) ||
(RedisConfigs.GetConfig() != null && RedisConfigs.GetConfig().ApplyRedis))
{
DNTCache cache = DNTCache.GetCacheService();
tabInfoList = cache.RetrieveObject("/Forum/ShowTopic/Tag/" + topicid + "/") as List <TagInfo>;
if (tabInfoList == null)
{
tabInfoList = Discuz.Data.ForumTags.GetTagsListByTopic(topicid);
cache.AddObject("/Forum/ShowTopic/Tag/" + topicid + "/", tabInfoList);
}
}
else
{
tabInfoList = Discuz.Data.ForumTags.GetTagsListByTopic(topicid);
}
return(tabInfoList);
}