Asynchronously determine if a record key exists.
This method schedules the exists command with a channel selector and returns.
Another thread will process the command and send the results to the listener.
Namespace: Aerospike.ClientThe policy can be used to specify timeouts.
Assembly: AerospikeClient (in AerospikeClient.dll) Version: 3.0.0.0 (3.0.14)
Syntax
Parameters
- policy
- Type: Aerospike.Client Policy
generic configuration parameters, pass in null for defaults
- listener
- Type: Aerospike.Client ExistsListener
where to send results
- key
- Type: Aerospike.Client Key
unique record identifier
Exceptions
Exception | Condition |
---|---|
Aerospike.Client AerospikeException | if queue is full |
See Also