public void Intercept(IInvocation invocation)
{
var method = invocation.Method;
var key = CacheUtility.GetCacheName(invocation.MethodInvocationTarget.ReflectedType);
//var config =
// CacheConfiguration.Instance.CacheConfigurations.FirstOrDefault(
// a => TypeUtils.GetFormattedName(a.Name).Equals(key));
var config = _cacheConfiguration.Instance.CacheConfigurations.FirstOrDefault(a => TypeUtils.GetFormattedName(a.Name).Equals(key));
if (method.IsDefined(typeof(CachingAttribute), true) && config != null)
{
var cachingAttribute =
(CachingAttribute)method.GetCustomAttributes(typeof(CachingAttribute), true)[0];
var cache = _cacheFactory.GetCache(carrierCode, key);
switch (cachingAttribute.Method)
{
case CachingMethod.Get:
{
//全局和实体都为true,才走ignite
//if (CacheConfiguration.Instance.UseFullCache && config.AllCache)
if (_cacheConfiguration.Instance.UseFullCache && config.AllCache)
{
cache = _cacheFactory.GetCache(carrierCode, invocation.TargetType.GenericTypeArguments[0]);
var arg = invocation.Arguments.Length > 0 ? invocation.Arguments[0] : null;
//此处只支持表达式的解析,类似Get(PK)的方法会绕过,从DbContext走EF的内部机制
if ((arg != null) && (arg.GetType().BaseType?.Name == "LambdaExpression"))
{
var cacheType = cache.GetType();
var getMethod = GetMethod(cacheType, "GetByExpression", true,
invocation.TargetType.GenericTypeArguments[0]);
var result = getMethod.MakeGenericMethod(invocation.TargetType.GenericTypeArguments[0])
.Invoke(
cache, new[]
{
arg
});
//缓存没数据
if (result == null || ((IList)result).Count == 0)
{
invocation.Proceed();
}
else
{
//有可能是first查询
if (invocation.GetConcreteMethod().ReturnType.Name.Contains("IQueryable"))
{
invocation.ReturnValue = ((IList)result).AsQueryable();
}
else
{
invocation.ReturnValue = ((IList)result).Count > 0 ? ((IList)result)[0] : null;
}
}
}
else
{
invocation.Proceed();
}
}
else
{
var valKey = GetValueKey(cachingAttribute, invocation);
if (cache.Contains(valKey))
{
var obj = cache.Get(valKey);
invocation.ReturnValue =
invocation.GetConcreteMethod().ReturnType.Name.Contains("IQueryable")
? ((IList)obj).AsQueryable()
: obj;
}
else
{
invocation.Proceed();
var val = invocation.ReturnValue;
if (val is IQueryable)
{
//转换为list，queryable无法序列化
var q = val as IQueryable;
var genericType = typeof(List <>).MakeGenericType(q.ElementType);
var constructor =
genericType.GetDeclaredConstructors().Skip(2).Take(1).FirstOrDefault();
val = constructor?.Invoke(new object[] { q }) as IList;
}
if (val != null)
{
if (invocation.ReturnValue is IQueryable && !(val is IQueryable))
{
invocation.ReturnValue = (val as IList).AsQueryable();
}
else
{
invocation.ReturnValue = val;
}
cache.Add(valKey, val);
if (_logger.IsDebugEnabled)
{
_logger.Debug(
string.Format("CachingInterceptor Get: Key:{0} valKey:{1} addTime:{2}", key,
valKey, DateTime.Now));
}
}
}
}
}
break;
//TODO 需要全缓存才有用 改ogg方式
//case CachingMethod.Put:
//{
// invocation.Proceed();
// if (cache.Contains(valKey))
// {
// if (cachingAttribute.Force)
// {
// cache.Remove(valKey);
// cache.Add(valKey, invocation.ReturnValue);
// }
// else
// cache.Put(valKey, invocation.ReturnValue);
// }
// else
// cache.Add(valKey, invocation.ReturnValue);
// if (_logger.IsInfoOn)
// _logger.Info(string.Format("CachingInterceptor Put: Key:{0} valKey:{1} addTime:{2}", key,
// valKey, DateTime.Now));
//}
// break;
//case CachingMethod.Remove:
//{
// var removeKeys = cachingAttribute.CorrespondingMethodNames;
// foreach (var removeKey in removeKeys)
// {
// if (key.Equals(TypeUtils.GetFormattedName(removeKey)))
// {
// cache.Flush();
// }
// // if (cache.Contains(removeKey))
// // cache.Remove(removeKey);
// }
// invocation.Proceed();
// if (_logger.IsInfoOn)
// _logger.Info(string.Format("CachingInterceptor Remove: Key:{0} valKey:{1} addTime:{2}", key,
// valKey, DateTime.Now));
//}
// break;
default:
invocation.Proceed();
break;
}
}
else
{
invocation.Proceed();
}
}
public ICache GetCache <T>(string carrierCode)
{
var cacheName = CacheUtility.GetCacheName <T>();
return(GetCache(carrierCode, cacheName));
}
public virtual ICache GetCache(string carrierCode, Type cacheType)
{
var cacheName = CacheUtility.GetCacheName(cacheType);
return(GetCache(carrierCode, cacheName));
}
