public static async Task <ContainerDocumentCacheEntry <T> > GetOrCreateAsync <T>(this IContainerDocumentCache cache, string key, Func <string, Task <ContainerDocumentCacheEntry <T> > > factory, CancellationToken token = default)
where T : class, IContainerDocument, new()
{
if (cache is null)
{
throw new ArgumentNullException(nameof(cache));
}
if (key is null)
{
throw new ArgumentNullException(nameof(key));
}
if (factory is null)
{
throw new ArgumentNullException(nameof(factory));
}
ContainerDocumentCacheEntry <T> cacheEntry;
try
{
cacheEntry = await cache
.GetAsync <T>(key, token)
.ConfigureAwait(false);
}
catch
{
cacheEntry = null;
}
return(cacheEntry ?? await factory(key).ConfigureAwait(false));
}
public CosmosDbTeamCloudRepository(ICosmosDbOptions cosmosOptions, IContainerDocumentCache cache)
: base(cosmosOptions)
{
this.cache = cache ?? throw new ArgumentNullException(nameof(cache));
}