/// <summary>
/// Constructor
/// </summary>
/// <param name="bucketName">Name of the bucket that this manager should operate on.</param>
/// <param name="clientConfig">Configuration object for the database client</param>
/// <param name="providerRuntime">Runtime reference used to gain access to GrainFactory etc</param>
public CouchBaseDataManager(string bucketName, ClientConfiguration clientConfig, IProviderRuntime providerRuntime)
{
Initialise(bucketName, clientConfig);
ExpiryManager = new ExpiryManager(providerRuntime);
Logger = providerRuntime.GetLogger(this.GetType().FullName);
Logger.Info("{0} - constructor called", this.GetType().FullName);
}
/// <summary>
/// Writes a document representing a grain state object.
/// </summary>
/// <param name="collectionName">The type of the grain state object.</param>
/// <param name="key">The grain id string.</param>
/// <param name="entityData">The grain state data to be stored.</param>
/// <param name="eTag"></param>
/// <returns>Completion promise for this operation.</returns>
public async Task <string> Write(string collectionName, string key, string entityData, string eTag, string primaryKey)
{
var documentId = GetDocumentId(collectionName, key);
var expiry = await ExpiryManager.GetExpiryAsync(collectionName, entityData, primaryKey);
var result = string.Empty;
if (ulong.TryParse(eTag, out var realETag))
{
var r = await bucket.UpsertAsync <string>(documentId, entityData, realETag, expiry.Expiry.Expiry);
if (!r.Success)
{
throw new InconsistentStateException(r.Status.ToString(), eTag, r.Cas.ToString());
}
result = r.Cas.ToString();
}
else
{
var r = await bucket.InsertAsync <string>(documentId, entityData, expiry.Expiry.Expiry);
//check if key exist and we don't have the CAS
if (!r.Success && r.Status == Couchbase.IO.ResponseStatus.KeyExists)
{
throw new InconsistentStateException(r.Status.ToString(), eTag, r.Cas.ToString());
}
if (!r.Success)
{
throw new Exception(r.Status.ToString());
}
result = r.Cas.ToString();
}
if (expiry.Expiry.Expiry == TimeSpan.Zero)
{
return(result);
}
//Notify the grain that there is an expiry value for it so it can ensure it deactivates within the expiry time
ExpiryManagerEventNotifier.Instance.NotifyGrainOfExpiry(expiry);
return(result);
}
