void IDisposable.Dispose()
{
lock (this)
{
try
{
this.service.close(this.queryHandle);
}
catch
{
// ignore
}
}
this.queryHandle = null;
this.service = null;
}
/// <summary>
/// Connect to impalad and construct ImpalaService.Client.
/// </summary>
protected void Connect()
{
var socket = new TSocket(this.ConnectionParameter.Host, this.ConnectionParameter.Port);
this.disposer.Add(socket);
this.transport = new TBufferedTransport(socket);
this.disposer.Add(this.transport);
this.transport.Open();
var protocol = new TBinaryProtocol(this.transport);
this.disposer.Add(protocol);
this.service = new ImpalaService.Client(protocol);
this.disposer.Add(this.service);
var pingResult = this.service.PingImpalaService();
this.ServerVersion = pingResult.Version;
}
public QueryHandleWrapper(ImpalaService.Client svc, QueryHandle qh)
{
this.queryHandle = qh;
this.service = svc;
}
