/// <summary>
/// Puts the specified value in the cache.
/// </summary>
/// <param name="key">The cache key.</param>
/// <param name="value">The value to put into the cache.</param>
/// <param name="ttl">The time-to-live for the cache entry.</param>
public void Put(string key, object value, Ttl ttl)
{
if (value != null)
{
_wrappedCacheProvider.Put(key, _serializer.Serialize(value), ttl);
}
}
public void Put_should_put_item_using_passed_sliding_ttl()
{
Mock <Microsoft.Extensions.Caching.Distributed.IDistributedCache> mockDistributedCache = new Mock <Microsoft.Extensions.Caching.Distributed.IDistributedCache>();
string key = "anything";
var valueToCache = "something to cache";
ISyncCacheProvider <string> provider = mockDistributedCache.Object.AsSyncCacheProvider <string>();
mockDistributedCache.Setup(idc => idc.Set(It.Is <string>(k => k == key), It.IsAny <byte[]>(), It.IsAny <DistributedCacheEntryOptions>())).Verifiable(); // Because SetString() is an extension method, we cannot mock it. We mock Set() instead.
TimeSpan timespan = TimeSpan.FromSeconds(10);
Ttl ttl = new Ttl(timespan, true);
provider.Put(key, valueToCache, ttl);
mockDistributedCache.Verify(idc => idc.Set(key, It.IsAny <byte[]>(), It.Is <DistributedCacheEntryOptions>(o => o.SlidingExpiration == timespan)));
}
public void Put_should_put_item_using_passed_nonsliding_ttl()
{
Mock <IDistributedCache> mockDistributedCache = new Mock <IDistributedCache>();
string key = "anything";
var valueToCache = Encoding.UTF8.GetBytes(Guid.NewGuid().ToString());
ISyncCacheProvider <byte[]> provider = mockDistributedCache.Object.AsSyncCacheProvider <byte[]>();
mockDistributedCache.Setup(idc => idc.Set(It.Is <string>(k => k == key), It.Is <byte[]>(v => v == valueToCache), It.IsAny <DistributedCacheEntryOptions>())).Verifiable();
TimeSpan timespan = TimeSpan.FromSeconds(10);
Ttl ttl = new Ttl(timespan, false);
provider.Put(key, valueToCache, ttl);
mockDistributedCache.Verify(idc => idc.Set(key, valueToCache, It.Is <DistributedCacheEntryOptions>(o => o.AbsoluteExpirationRelativeToNow == timespan)));
}
public void Put_should_put_item_using_passed_sliding_ttl()
{
Mock <Microsoft.Extensions.Caching.Distributed.IDistributedCache> mockDistributedCache = new Mock <Microsoft.Extensions.Caching.Distributed.IDistributedCache>();
string key = "anything";
var valueToCache = new byte[] { 0 };
ISyncCacheProvider <byte[]> provider = mockDistributedCache.Object.AsSyncCacheProvider <byte[]>();
mockDistributedCache.Setup(idc => idc.Set(It.Is <string>(k => k == key), It.Is <byte[]>(v => v == valueToCache), It.IsAny <DistributedCacheEntryOptions>())).Verifiable();
TimeSpan timespan = TimeSpan.FromSeconds(10);
Ttl ttl = new Ttl(timespan, true);
provider.Put(key, valueToCache, ttl);
mockDistributedCache.Verify(idc => idc.Set(key, valueToCache, It.Is <DistributedCacheEntryOptions>(o => o.SlidingExpiration == timespan)));
}
internal static TResult Implementation <TResult>(
ISyncCacheProvider <TResult> cacheProvider,
ITtlStrategy ttlStrategy,
Func <Context, string> cacheKeyStrategy,
Func <Context, CancellationToken, TResult> action,
Context context,
CancellationToken cancellationToken,
Action <Context, string> onCacheGet,
Action <Context, string> onCacheMiss,
Action <Context, string> onCachePut,
Action <Context, string, Exception> onCacheGetError,
Action <Context, string, Exception> onCachePutError)
{
cancellationToken.ThrowIfCancellationRequested();
string cacheKey = cacheKeyStrategy(context);
if (cacheKey == null)
{
return(action(context, cancellationToken));
}
TResult valueFromCache;
try
{
valueFromCache = cacheProvider.Get(cacheKey);
}
catch (Exception ex)
{
valueFromCache = default(TResult);
onCacheGetError(context, cacheKey, ex);
}
if (valueFromCache != null && !valueFromCache.Equals(default(TResult)))
{
onCacheGet(context, cacheKey);
return(valueFromCache);
}
else
{
onCacheMiss(context, cacheKey);
}
TResult result = action(context, cancellationToken);
Ttl ttl = ttlStrategy.GetTtl(context);
if (ttl.Timespan > TimeSpan.Zero)
{
try
{
cacheProvider.Put(cacheKey, result, ttl);
onCachePut(context, cacheKey);
}
catch (Exception ex)
{
onCachePutError(context, cacheKey, ex);
}
}
return(result);
}
void ISyncCacheProvider <TCacheFormat> .Put(string key, TCacheFormat value, Ttl ttl)
{
_wrappedCacheProvider.Put(key, value, ttl);
}