public override void Start()
{
base.Start();
var body = new {
aggs = new {
b = new {
max = new {
field = "tflbatchid"
}
},
k = new {
max = new {
field = "tflkey"
}
}
},
size = 0
};
var result = _client.Search <DynamicResponse>(Context.Connection.Index, Context.TypeName(), body);
var batchId = result.Body["aggregations"]["b"]["value"].Value;
var key = result.Body["aggregations"]["k"]["value"].Value;
Context.Entity.BatchId = (batchId == null ? 0 : (int)batchId) + 1;
Context.Entity.Identity = (key == null ? 0 : (int)key);
Context.Debug(() => $"Next TflBatchId: {Context.Entity.BatchId}.");
Context.Debug(() => $"Last TflKey: {Context.Entity.Identity}.");
var countBody = new { query = new { match_all = new { } } };
Context.Entity.IsFirstRun = Context.Entity.MinVersion == null && _client.Count <DynamicResponse>(Context.Connection.Index, Context.TypeName(), countBody).Body["count"].Value == (long)0;
}
