/// <summary>
/// 检查是否包括KEY值
/// </summary>
/// <param name="key">KEY值</param>
/// <returns></returns>
public bool ContainsKey(string key)
{
if (!IsCache)
{
return(false);
}
key = KeyPrefix + key;
return(CacheItemDictionary.ContainsKey(key));
}
/// <summary>
/// 移除缓存
/// </summary>
/// <param name="key">KEY值</param>
public void Remove(string key)
{
if (!IsCache)
{
return;
}
key = KeyPrefix + key;
CacheItemDictionary.Remove(key);
}
/// <summary>
/// 移除所有缓存
/// </summary>
/// <returns>大于0表示移除的缓存记录数，等于0没有缓存可以移除。</returns>
public int RemoveAll()
{
if (!IsCache)
{
return(0);
}
int interfaceCount = 0;
interfaceCount = CacheItemDictionary.ItemDictionary.Count;
CacheItemDictionary.Clear();
return(interfaceCount);
}
/// <summary>
/// 设置缓存
/// </summary>
/// <param name="key">KEY值</param>
/// <param name="value">对象值</param>
/// <param name="expiryDate">过期时间</param>
public void Set(string key, object value, DateTime expiryDate)
{
if (!IsCache)
{
return;
}
key = KeyPrefix + key;
if (!value.GetType().IsSerializable)
{
throw new SerializationException("Object is not serializable");
}
CacheItemDictionary.Add(key,
new CacheItem(DateTime.Now, SerializationUtility.ToBytes(value), expiryDate));
}
/// <summary>
/// 根据KEY获得缓存值
/// </summary>
/// <param name="key">KEY值</param>
/// <returns>查找到缓存值</returns>
public object Get(string key)
{
if (!IsCache)
{
return(null);
}
key = KeyPrefix + key;
if (CacheItemDictionary.ContainsKey(key))
{
CacheItem cacheItem = CacheItemDictionary.Get(key);
return(SerializationUtility.ToObject(cacheItem.value));
}
else
{
return(null);
}
}
