public RedisIndex(RedisTableCache parent, string indexKey, SearchConditions searchConditions)
{
this._parent = parent;
this.IndexKeyInCache = indexKey;
this._searchConditions = searchConditions;
try
{
// (re)registering it in the list of indexes (it should be visible for update operations)
this._parent._redis.SetHashWithRetries(this._parent.GetIndexListKeyInCache(), this.IndexKeyInCache, this._searchConditions.ToRedisValue());
// asynchronously checking the total number of indexes
Task.Run(() => this.TryKeepIndexListSlim(indexKey));
// creating an index and marking it as being rebuilt
this._parent._redis.CreateNewHashWithRetries(this.IndexKeyInCache, IndexVersionField.Name, IndexVersionField.IsBeingRebuiltValue);
this.RedisTransaction = this._parent._redis.BeginTransaction(IndexVersionField.IsBeingRebuiltCondition(this.IndexKeyInCache));
this._parent.Log("Index ({0}) was marked as being rebuilt", this._searchConditions.Key);
}
catch (Exception ex)
{
this._parent.Log("Failed to start creating index: {0}", ex);
// if something goes wrong - dropping the index (but only from the list - we don't want to let parallel update transaction to fail)
this._parent._redis.RemoveHashFieldsWithRetries(this._parent.GetIndexListKeyInCache(), this.IndexKeyInCache);
throw;
}
}
