public AsyncExists(AsyncExists other)
: base(other)
{
this.listener = other.listener;
this.key = other.key;
this.partition = other.partition;
}
public AsyncExists(AsyncCluster cluster, Policy policy, Key key, ExistsListener listener)
: base(cluster, policy)
{
this.listener = listener;
this.key = key;
this.partition = Partition.Read(cluster, policy, key);
}
public AsyncExists(AsyncCluster cluster, Policy policy, Key key, ExistsListener listener)
: base(cluster)
{
this.policy = policy;
this.listener = listener;
this.key = key;
this.partition = new Partition(key);
}
public AsyncExists(AsyncCluster cluster, Policy policy, Key key, ExistsListener listener)
: base(cluster)
{
this.policy = policy;
this.listener = listener;
this.key = key;
this.partition = new Partition(key);
}
public AsyncExists(AsyncExists other)
: base(other)
{
this.listener = other.listener;
this.key = other.key;
}
public AsyncExists(AsyncCluster cluster, Policy policy, Key key, ExistsListener listener)
: base(cluster, policy, new Partition(key), true)
{
this.listener = listener;
this.key = key;
}
/// <summary>
/// Asynchronously determine if a record key exists.
/// Schedule the exists command with a channel selector and return.
/// Another thread will process the command and send the results to the listener.
/// <para>
/// The policy can be used to specify timeouts.
/// </para>
/// </summary>
/// <param name="policy">generic configuration parameters, pass in null for defaults</param>
/// <param name="listener">where to send results</param>
/// <param name="key">unique record identifier</param>
/// <exception cref="AerospikeException">if queue is full</exception>
public void Exists(Policy policy, ExistsListener listener, Key key)
{
if (policy == null)
{
policy = readPolicyDefault;
}
AsyncExists async = new AsyncExists(cluster, policy, key, listener);
async.Execute();
}