internal CacheEntry(object key, MemoryCache memoryCache)
{
Key = key ?? throw new ArgumentNullException(nameof(key));
_cache = memoryCache ?? throw new ArgumentNullException(nameof(memoryCache));
_previous = memoryCache.TrackLinkedCacheEntries ? CacheEntryHelper.EnterScope(this) : null;
_state = new CacheEntryState(CacheItemPriority.Normal);
}
public async Task Get_when_cache_state_is_invalid_does_not_call_deserialize(CacheEntryState invalidEntityState)
{
var cancellationToken = CancellationToken.None;
var testCacheModel = new TestCacheModel();
var cachedByteResults = new byte[32];
Array.Fill <byte>(cachedByteResults, 255);
distributedCacheMock
.Setup(distributedCache => distributedCache.GetAsync(nameof(TestCacheModel), cancellationToken))
.Returns(Task.FromResult(cachedByteResults)).Verifiable();
messagePackServiceMock.Setup(messagePackService => messagePackService
.Deserialise <TestCacheModel>(cachedByteResults, sut._messagePackOptions))
.Returns(Task.FromResult(testCacheModel))
.Verifiable();
cacheEntryTrackerMock.Setup(cacheEntryTrackerMock => cacheEntryTrackerMock
.GetState(It.IsAny <string>(), cancellationToken))
.Returns(Task.FromResult(invalidEntityState));
var result = await sut.Get <TestCacheModel>(nameof(TestCacheModel), cancellationToken);
distributedCacheMock.Verify(distributedCache => distributedCache
.GetAsync(nameof(TestCacheModel), cancellationToken), Times.Once);
messagePackServiceMock.Verify(messagePackService => messagePackService
.Deserialise <TestCacheModel>(cachedByteResults, sut._messagePackOptions), Times.Never);
}
public async Task SetState(string cacheItem, CacheEntryState cacheEntryState, CancellationToken cancellationToken)
{
var items = await GetOrSetItems(false, cancellationToken);
if (items.ContainsKey(cacheItem))
{
items[cacheItem] = cacheEntryState;
}
else
{
items.Add(cacheItem, cacheEntryState);
}
await _cacheTrackerStore.SaveItems(items, cancellationToken);
_log.LogInformation("Writing state information for '{0}'", cacheItem);
_log.LogDebug("Setting {0} state for {1}", Enum.GetName(typeof(CacheEntryState), cacheEntryState), cacheItem);
}
public CacheEntryLockItem(CacheEntryState initialState)
{
State = initialState;
}
