/// <summary>
/// 拦截被特性标记的方法
/// </summary>
/// <param name="invocation"></param>
public void Intercept(CacheAttribute attribute, IInvocation invocation)
{
if (attribute == null)
{
invocation.Proceed();
}
else
{
ProgressCaching(invocation, attribute);
}
}
/// <summary>
/// 操作缓存
/// </summary>
/// <param name="invocation"></param>
private void ProgressCaching(IInvocation invocation, CacheAttribute mapCacheAttribute)
{
var typeName = invocation.TargetType.Name;
var methodName = invocation.Method.Name;
Type methodReturnType = invocation.Method.ReturnType;
var methodArguments = ParseArgumentsToPartOfCacheKey(invocation.Arguments);
var cacheKey = BuildCacheKey(typeName, methodName, methodArguments, mapCacheAttribute.prefixs);
var cacheValue = _cacheClient.StringGet(cacheKey);
if (cacheValue != null)
{
//基元类型和string类型不需要序列化
if (methodReturnType.IsPrimitive || methodReturnType.Name == "String")
{
invocation.ReturnValue = cacheKey;
}
else
{
var contractResolver = new JsonContractResolver();
JsonSerializerSettings jsonSerializerSettings = new JsonSerializerSettings()
{
ContractResolver = contractResolver
};
invocation.ReturnValue = JsonConvert.DeserializeObject(cacheValue, methodReturnType, jsonSerializerSettings);
}
return;
}
invocation.Proceed();
if (!string.IsNullOrWhiteSpace(cacheKey))
{
_cacheClient.StringSet(cacheKey, invocation.ReturnValue);
}
}