/// <summary>
/// 分配内存
/// </summary>
private void Initialize()
{
_cachePool.InitContainer(_containerKey);
}
/// <summary>
///
/// </summary>
/// <param name="redisKey"></param>
/// <param name="itemPair">key:entity's key, value:</param>
/// <param name="periodTime"></param>
/// <returns></returns>
public static bool TryGetCacheItem(string redisKey, out KeyValuePair <string, CacheItemSet> itemPair, int periodTime = 0)
{
itemPair = default(KeyValuePair <string, CacheItemSet>);
CacheItemSet cacheItem;
string[] keys = (redisKey ?? "").Split('_');
if (keys.Length == 2 && !string.IsNullOrEmpty(keys[0]))
{
CacheContainer container = null;
string typeName = RedisConnectionPool.DecodeTypeName(keys[0]);
var schema = EntitySchemaSet.Get(typeName);
periodTime = periodTime > 0 ? periodTime : schema.PeriodTime;
if (_writePools != null && !_writePools.TryGetValue(typeName, out container))
{
_writePools.InitContainer(typeName);
_writePools.TryGetValue(typeName, out container);
}
if (container == null)
{
return(false);
}
string[] childKeys = keys[1].Split('|');
string personalKey = childKeys[0];
string entityKey = childKeys.Length > 1 ? childKeys[1] : "";
if (schema.CacheType == CacheType.Dictionary)
{
var lazy = new Lazy <CacheItemSet>(() =>
{
bool isReadonly = schema.AccessLevel == AccessLevel.ReadOnly;
BaseCollection itemCollection = isReadonly
? (BaseCollection) new ReadonlyCacheCollection()
: new CacheCollection(schema.IsMutilKey ? 0 : 1);
var itemSet = new CacheItemSet(schema.CacheType, periodTime, isReadonly);
if (!isReadonly && _writePools.Setting != null)
{
itemSet.OnChangedNotify += _writePools.Setting.OnChangedNotify;
}
itemSet.HasCollection = true;
itemSet.SetItem(itemCollection);
return(itemSet);
});
cacheItem = container.Collection.GetOrAdd(personalKey, key => lazy.Value);
itemPair = new KeyValuePair <string, CacheItemSet>(entityKey, cacheItem);
return(true);
}
if (schema.CacheType == CacheType.Entity)
{
var lazy = new Lazy <CacheItemSet>(() =>
{
bool isReadonly = schema.AccessLevel == AccessLevel.ReadOnly;
var itemSet = new CacheItemSet(schema.CacheType, periodTime, isReadonly);
if (!isReadonly && _writePools.Setting != null)
{
itemSet.OnChangedNotify += _writePools.Setting.OnChangedNotify;
}
return(itemSet);
});
cacheItem = container.Collection.GetOrAdd(entityKey, key => lazy.Value);
itemPair = new KeyValuePair <string, CacheItemSet>(entityKey, cacheItem);
return(true);
}
if (schema.CacheType == CacheType.Queue)
{
TraceLog.WriteError("Not support CacheType.Queue get cache, key:{0}.", redisKey);
}
////存在分类id与实体主键相同情况, 要优先判断实体主键
//if (!string.IsNullOrEmpty(personalKey) && container.Collection.TryGetValue(entityKey, out cacheItem))
//{
// itemPair = new KeyValuePair<string, CacheItemSet>(entityKey, cacheItem);
// return true;
//}
//if (!string.IsNullOrEmpty(personalKey) && container.Collection.TryGetValue(personalKey, out cacheItem))
//{
// itemPair = new KeyValuePair<string, CacheItemSet>(entityKey, cacheItem);
// return true;
//}
}
return(false);
}
/// <summary>
///
/// </summary>
public MemoryCacheStruct()
{
containerKey = typeof(T).FullName;
_container = _momoryPools.InitContainer(containerKey);
Initialize();
}