/// <summary>
/// Constructs a garbage collector for the Firestore distributed cache.
/// </summary>
/// <param name="cache">The cache to garbage collect. Must not be null.</param>
/// <param name="logger">The logger to use for diagnostic messages. Must not be null.</param>
/// <param name="frequency">The frequency of garbage collection. May be null, in which case a default frequency of 1 day will be used.</param>
/// <param name="scheduler">The scheduler to use. May be null, in which case the system scheduler will be used.</param>
public FirestoreCacheGarbageCollector(FirestoreCache cache,
ILogger <FirestoreCacheGarbageCollector> logger,
TimeSpan?frequency = null, Api.Gax.IScheduler scheduler = null)
{
_cache = GaxPreconditions.CheckNotNull(cache, nameof(cache));
_logger = GaxPreconditions.CheckNotNull(logger, nameof(logger));
_frequency = frequency.GetValueOrDefault(TimeSpan.FromDays(1));
_scheduler = scheduler ?? SystemScheduler.Instance;
}
/// <summary>
/// Add a distributed cache that stores cache entries in Firestore.
/// </summary>
/// <param name="services">The service collection to which to add the cache.</param>
/// <param name="projectId">Your Google Cloud Project Id.
/// If null, pulls your project id from the current application
/// default credentials.
/// </param>
public static IServiceCollection AddFirestoreDistributedCache(
this IServiceCollection services,
string projectId = null)
{
services.AddSingleton <FirestoreCache>(provider =>
new FirestoreCache(projectId ?? FirestoreCache.GetProjectId(),
provider.GetService <ILogger <FirestoreCache> >()));
services.AddSingleton <IDistributedCache>(provider =>
provider.GetService <FirestoreCache>());
return(services);
}